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Dreame X40 Ultra vs iRobot Roomba s9: 167 Highlights & 75 Differences — So, Which Robot Vacuum Actually Works Better

Decide if you want a feature-packed cleaner or a solid, trusted vacuum robot. Both deliver quality cleaning. We pitted Dreame X40 Ultra and iRobot Roomba s9 head to head. Compare core features, cliff sensors, weight, ground clearance & suction power, and tech perks in this deep-dive.

75 Points
Dreame X40 Ultra
64 Points
iRobot
iRobot
iRobot Roomba s9 S915020
iRobot Roomba s9
vs

Highlights 188

No extras. Just what matters.
75 Points
vs
64 Points

Why is Dreame X40 Ultra better than iRobot Roomba s9 ?

Scroll down for more facts

Dreame X40 Ultra vs. iRobot Roomba S9: A Comprehensive Cleaning Showdown

Both the Dreame X40 Ultra and the iRobot Roomba S9 cater to pet owners and large-home residents aiming to automate their cleaning tasks efficiently. While both model lines offer structured navigation, HEPA filtration, and multi-floor mapping, they diverge in how they approach cleaning performance, smart features, and versatility. Dreame's X40 Ultra takes a multifunctional stance with integrated mopping alongside vacuuming, combined with advanced dual-sensor navigation. Meanwhile, Roomba S9 remains focused on top-tier vacuuming with a more straightforward adaptive mapping system. Both devices come packed with smart home compatibility and comprehensive safety sensors, but their distinctions truly set the tone for different user priorities.

Innovations and Strengths of the Dreame X40 Ultra

The Dreame X40 Ultra shines as a high-tech, versatile cleaning powerhouse heavily loaded with next-gen features. Its navigation system combines LiDAR and camera-based navigation, complemented by AI-powered obstacle recognition, enabling the robot to efficiently map complex home layouts and avoid small objects with ease. It supports multi-floor mapping up to three levels and offers unlimited map storage capacity, allowing users to take full control over their home's cleaning plans.

What stands out is its mopping functionality, notable for electric water pump operation with three adjustable water flow levels, heating, and a combination of rotating and vibrating mop technologies. Its Y-shaped mopping path boosts coverage efficiency, while auto mop lifting for carpets ensures no wetting where it's not wanted.

The X40 Ultra's suction power peaks impressively at 12,000 Pa, enabling it to pick up 95% of dirt on all floor types, including carpets up to 0.5 inches thick and obstacles as tall as 1.5 inches. It also auto-boosts suction on carpets to maintain thorough cleaning. Its dustbin capacity at 108.8 ml far surpasses average bins, housed within an innovative auto-empty dock that locks the dustbin, compresses dirt, and even dries the mop; all these features reduce human intervention for up to 75 days.

Battery life is outstanding, lasting up to 198 minutes per charge, thanks to a sizeable 6400 mAh Li-ion battery. It supports fast and wireless charging, further enhancing user convenience. Smart functionalities include broad voice assistant compatibility with Alexa, Google Assistant, and Siri, multi-user app support, and cloud map synchronization, alongside AI-powered smart obstacle recognition for tailor-made cleaning paths.

The triple-layer HEPA filtration system,m combined with UV sterilization and an anti-allergen system,m stands out as a true health-conscious design. Added extras such as multiple mop pads, spare dust bags, an extra battery, and an accessory storage bag emphasize an all-inclusive package, especially appealing to pet owners and those with demanding cleaning schedules. Overall, the Dreame X40 Ultra aims to be a comprehensive home-care assistant beyond just vacuuming.

Why the iRobot Roomba S9 Remains a Strong Contender

While the Roomba S9 eschews mopping features entirely, it boasts an exceptionally effective vacuum-cleaning focus with a 99% dirt pickup rate and an excellent maximum carpet height clearance of 0.7 inches. Its adaptive and structured navigation system, although less advanced than Dreame's LiDAR+camera combo, still provides robust room recognition and obstacle detection, supporting up to three floors with multiple map storage.

Compact and lightweight at just 8.2 lbs and only 3.8 inches tall, the Roomba S9 is ideal for maneuvering easily under furniture or in tight spots. Its main and side brushes with auto-adjustment and robust edge-cleaning mode make it well-suited for hardwood, tile, carpet, laminate, and rugs. Plus, it intelligently auto-boosts suction on carpets, similar to the X40 Ultra.

The Roomba S9's dustbin capacity, while smaller at 16.9 ml, is backed by a HEPA filtration system with two layers and a secondary filter, designed to retain 99% of dust particles with an effective anti-allergen system. The absence of an auto-empty dock means users must manually intervene more often, though its dust compression helps maximize capacity.

Battery performance is solid, offering up to 120 minutes of runtime on a 3000 mAh battery with fast charging, but it lacks wireless charging. Its docking station is a standard charging dock with slightly less accuracy and range than Dreame's auto-empty dock. On the smart side, the Roomba S9 supports Alexa and Google Assistant integration but not Siri, and offers multi-user app control alongside scheduling, selective room cleaning, and remote monitoring. It is a quieter machine overall, but it consumes more power while cleaning than the Dreame X40 Ultra.

The Roomba S9's notable strengths lie in its focused vacuum capabilities, proven brand reliability, relatively simple but highly effective navigation, longer filter lifetime of 12 months, and a trusted global service network. It is perfect for those who primarily want vacuuming efficiency, especially in homes that don't require mopping features.

Quick Take

The Dreame X40 Ultra impresses with its cutting-edge dual-sensor navigation and advanced mopping system, combined with long battery life and a full auto-empty dock, making it a multifunctional cleaning powerhouse. The Roomba S9 holds firm as a reliable, compact vacuum specialist with superior dirt pickup, easier maneuverability, and a strong reputation for quality and service.

Bottom Line Recommendation

If you want an all-in-one robot that uses the latest tech to offer vacuuming, premium mopping, and comprehensive smart home connectivity, the Dreame X40 Ultra stands out as the obvious choice. Conversely, if your priority is efficient, vacuum-focused cleaning with a compact design and the security of a well-known brand, the iRobot Roomba S9 is a solid, trustworthy option.

Verdict

  • Winner: Dreame X40 Ultra - Offers superior cleaning versatility with mopping, smarter navigation, longer battery life, and an advanced self-maintenance dock system.
  • Runner-up: iRobot Roomba S9 - Excels at focused vacuuming performance, compact design, and trusted brand reliability for users prioritizing vacuum-only cleaning.

Comparisons 40

Two enter. One leaves your cart.

Price comparisons

(✱) Prices may be changed at any time without further notice.

Related comparisons 40

Because one duel is never enough.

Comparisons & Facts 188

Side by side. The numbers. The features. No drama.

Is Dreame X40 Ultra better than iRobot Roomba s9? It depends on your needs. Our gadget breakdown lays out the full story &#8212 from specs to buyer feedback.

General Information 9

Model Number

What is the model number?

58 Dreame X40 Ultra 0 Votes X40 Ultra

57 iRobot Roomba s9 0 Votes S915020

Dreame X40 Ultra
vs
iRobot Roomba s9
Score History

Updated at 2025-12-17 07:16:58: 0 Updated at 2025-12-22 07:06:42: 85 Updated at 2026-04-10 04:27:46: 88
Score info for Dreame X40 Ultra:
We base our scoring on 'Model Number' on the following:
Score info for iRobot Roomba s9:
We base our scoring on 'Model Number' on the following:

Unique identifier used for the vacuum model.

Release Year

What year was it released?

90 Dreame X40 Ultra 0 Votes 2024

52 iRobot Roomba s9 0 Votes 2020

Dreame X40 Ultra
vs
iRobot Roomba s9
Release Year

The Dreame X40 Ultra was released in 2024, while the iRobot Roomba s9 was released in 2020, making the Dreame a more recent model with potentially updated technology.

Dreame X40 Ultra
vs
iRobot Roomba s9
Score History

Updated at 2025-12-17 07:16:58: 0 Updated at 2025-12-22 07:06:42: 90 Updated at 2026-04-10 04:27:46: 85
Score info for Dreame X40 Ultra:
We base our scoring on 'Release Year' on the following:
Score info for iRobot Roomba s9:
We base our scoring on 'Release Year' on the following:

The year the robot vacuum was released.

Product Name

What is the product name?

64 Dreame X40 Ultra 0 Votes Dreame X40 Ultra

59 iRobot Roomba s9 0 Votes iRobot Roomba S9

The official name of the robot vacuum.

Model Line

What is the model line?

77 Dreame X40 Ultra 0 Votes X Series

64 iRobot Roomba s9 0 Votes Roomba S Series

Dreame X40 Ultra
vs
iRobot Roomba s9
Score History

Updated at 2025-12-17 07:16:58: 0 Updated at 2025-12-22 07:06:42: 88 Updated at 2026-04-10 04:27:46: 87
Score info for Dreame X40 Ultra:
We base our scoring on 'Model Line' on the following:
Score info for iRobot Roomba s9:
We base our scoring on 'Model Line' on the following:

Series or family name the product belongs to.

Color Options

What color options are available?

58 Dreame X40 Ultra 0 Votes Black, White

54 iRobot Roomba s9 0 Votes Black

Dreame X40 Ultra
vs
iRobot Roomba s9
Color Options

Dreame X40 Ultra offers color options in Black and White, whereas iRobot Roomba s9 is only available in Black, giving the Dreame more aesthetic choices.

The available color finishes for the product.

Finish Material

What is the finish material?

38 Dreame X40 Ultra 0 Votes Plastic

34 iRobot Roomba s9 0 Votes Plastic

The exterior build material or surface finish.

Country of Manufacture

Where is it manufactured?

48 Dreame X40 Ultra 0 Votes China

44 iRobot Roomba s9 0 Votes China

Dreame X40 Ultra
vs
iRobot Roomba s9
Score History

Updated at 2025-12-17 06:45:40: 0 Updated at 2025-12-22 08:10:49: 80 Updated at 2026-04-10 04:27:24: 77
Updated at 2025-12-17 07:16:58: 0 Updated at 2025-12-22 07:06:42: 80 Updated at 2026-04-10 04:27:46: 77
Score info for Dreame X40 Ultra:
We base our scoring on 'Country of Manufacture' on the following:
Score info for iRobot Roomba s9:
We base our scoring on 'Country of Manufacture' on the following:

The country where the product is manufactured.

Warranty Period

What is the warranty period?

18 Dreame X40 Ultra 0 Votes 1 Year

14 iRobot Roomba s9 0 Votes 1 Year

Duration of warranty coverage in years.

Target Audience

Who is this designed for?

28 Dreame X40 Ultra 0 Votes Pet Owners, Large Homes, Small Apartments

24 iRobot Roomba s9 0 Votes Pet Owners, Large Homes

Dreame X40 Ultra
vs
iRobot Roomba s9
Target Audience

The Dreame X40 Ultra targets Pet Owners, Large Homes, and Small Apartments, while the iRobot Roomba s9 focuses on Pet Owners and Large Homes, suggesting the Dreame is designed for a broader range of living spaces.

Intended user base for the product.

Dimensions & Weight 13

Weight

What is the weight?

11.7 lbs 0 Votes
Dreame X40 Ultra
8.2 lbs 0 Votes
iRobot Roomba s9

Dreame X40 Ultra
vs
iRobot Roomba s9
Weight

Weighing 11.7 lbs (5.3 kg), the Dreame X40 Ultra is heavier than the iRobot Roomba s9 at 8.2 lbs (3.7 kg), which might impact ease of manual relocation.

The weight of the robot vacuum.

Ground Clearance

What is the ground clearance?

0.5 inch 0 Votes
Dreame X40 Ultra
0.5 inch 0 Votes
iRobot Roomba s9

Dreame X40 Ultra
Dreame X40 Ultra

Equivalent to 1.27 cm, this ground clearance ensures the vacuum can easily pass over low thresholds and carpets without getting stuck.

iRobot Roomba s9
iRobot Roomba s9

About 1.27 cm, this clearance is sufficient for navigating most floor types, including rugs and transitions between different surfaces.

The clearance between the vacuum’s underside and the floor.

Width

What is the width?

13.4 inch 0 Votes
Dreame X40 Ultra
12.4 inch 0 Votes
iRobot Roomba s9

Dreame X40 Ultra
vs
iRobot Roomba s9
Width

The Dreame X40 Ultra has a width of 13.4 inches (34 cm), which is slightly wider than the iRobot Roomba s9 at 12.4 inches (31.5 cm), potentially affecting its ability to navigate tighter spaces.

The width of the robot vacuum.

Depth

What is the depth?

17.9 inch 0 Votes
Dreame X40 Ultra
12.4 inch 0 Votes
iRobot Roomba s9

Dreame X40 Ultra
Dreame X40 Ultra

About 45.5 cm, making it compact enough to maneuver around furniture but large enough to accommodate advanced features like a self-emptying dustbin.

iRobot Roomba s9
iRobot Roomba s9

Equivalent to 31.5 cm, its square body shape allows it to clean corners more effectively than round models.

The depth of the robot vacuum.

Height

What is the height?

23.2 inch 0 Votes
Dreame X40 Ultra
3.8 inch 0 Votes
iRobot Roomba s9

Dreame X40 Ultra
vs
iRobot Roomba s9
Height

The Dreame X40 Ultra has a height of 23.2 inches (58.9 cm), significantly taller than the iRobot Roomba s9 at 3.8 inches (9.7 cm), primarily due to its advanced self-emptying and self-washing dock.

The height of the robot vacuum.

Dock Width

What is the dock width?

12.5 inch 0 Votes
Dreame X40 Ultra
10.2 inch 0 Votes
iRobot Roomba s9

Dreame X40 Ultra
Dreame X40 Ultra

Equivalent to 31.8 cm, this is the width of the base station, which is typically placed against a wall for convenient docking.

iRobot Roomba s9
iRobot Roomba s9

25.9 cm wide, this compact dock helps the Roomba S9 recharge quickly and return to work without taking up much space.

The width of the docking station.

Dock Depth

What is the dock depth?

13.5 inch 0 Votes
Dreame X40 Ultra
14.2 inch 0 Votes
iRobot Roomba s9

Dreame X40 Ultra
Dreame X40 Ultra

About 34.3 cm, ensuring the vacuum station has sufficient space to store the robot securely while charging.

iRobot Roomba s9
iRobot Roomba s9

36 cm deep, providing ample space for the Roomba to align properly for recharging without crowding.

The depth of the docking station.

Dock Height

What is the dock height?

14 inch 0 Votes
Dreame X40 Ultra
4.2 inch 0 Votes
iRobot Roomba s9

Dreame X40 Ultra
vs
iRobot Roomba s9
Dock Height

The Dreame X40 Ultra's dock stands at 14 inches (35.6 cm) tall, which is much taller than the iRobot Roomba s9's dock at 4.2 inches (10.7 cm), reflecting the Dreame's more comprehensive dock features.

The height of the docking station.

Package Width

What is the package width?

13.4 inch 0 Votes
Dreame X40 Ultra

Who knows? 0 Votes iRobot Roomba s9 (Help us out by suggesting one!)

Dreame X40 Ultra
Dreame X40 Ultra

Same as the vacuum width, measuring 34 cm, allowing for efficient packaging and shipping.

The width of the retail package.

Package Depth

What is the package depth?

17.9 inch 0 Votes
Dreame X40 Ultra

Who knows? 0 Votes iRobot Roomba s9 (Help us out by suggesting one!)

Dreame X40 Ultra
Dreame X40 Ultra

About 45.5 cm, which ensures the vacuum and base station fit securely during transit.

The depth of the retail package.

Package Height

What is the package height?

23.2 inch 0 Votes
Dreame X40 Ultra

Who knows? 0 Votes iRobot Roomba s9 (Help us out by suggesting one!)

Dreame X40 Ultra
Dreame X40 Ultra

Roughly 59 cm, this matches the height of the vacuum with the base station and other components, allowing for compact packaging.

The height of the retail package.

Dock Weight

What is the dock weight?

28.7 lbs 0 Votes
Dreame X40 Ultra

Who knows? 0 Votes iRobot Roomba s9 (Help us out by suggesting one!)

Dreame X40 Ultra
vs
iRobot Roomba s9
Dock Weight

The Dreame X40 Ultra's dock weighs 28.7 lbs (13 kg), but the dock weight for the iRobot Roomba s9 is not available, making the Dreame's dock a substantial unit.

The weight of the docking station.

Cleaning Performance 20

Suction Power

What is the suction power?

12,000 Pa 0 Votes
Dreame X40 Ultra

Who knows? 0 Votes iRobot Roomba s9 (Help us out by suggesting one!)

Dreame X40 Ultra
vs
iRobot Roomba s9
Suction Power

The Dreame X40 Ultra boasts a powerful suction power of 12000 Pa, while the suction power for the iRobot Roomba s9 is not available, indicating a clear performance metric for the Dreame.

Measures the vacuum’s suction strength.

Carpet Detection Sensor

Does it have a carpet detection sensor?

Yes 0 Votes Dreame X40 Ultra

Yes 0 Votes iRobot Roomba s9

iRobot Roomba s9
iRobot Roomba s9

Automatically adjusts the suction to higher levels when transitioning from hard floors to carpet, ensuring thorough cleaning.

Detects carpets to adjust suction.

Auto Boost on Carpet

Does it auto boost on carpet?

Yes 0 Votes Dreame X40 Ultra

Yes 0 Votes iRobot Roomba s9

Increases suction when cleaning carpets.

Max Cleaning Area

What is the max cleaning area?

3,315 sq ft 0 Votes
Dreame X40 Ultra
2,000 sq ft 0 Votes
iRobot Roomba s9

Dreame X40 Ultra
vs
iRobot Roomba s9
Max Cleaning Area

The Dreame X40 Ultra can clean a max area of 3315 sq ft (308 sq m), which is significantly larger than the iRobot Roomba s9's 2000 sq ft (186 sq m), making the Dreame suitable for bigger homes.

Maximum area the vacuum can clean per charge.

Max Carpet Height

What is the max carpet height?

0.5 inch 0 Votes
Dreame X40 Ultra
0.7 inch 0 Votes
iRobot Roomba s9

Dreame X40 Ultra
Dreame X40 Ultra

Equivalent to 1.27 cm. This ensures the vacuum can handle most carpets, but thicker, high-pile carpets might need adjustments or avoidance via the app.

iRobot Roomba s9
iRobot Roomba s9

1.8 cm, can handle most carpet types, but may struggle with thicker carpets or high-pile rugs.

Maximum carpet thickness it can climb.

Cleaning Path Width

What is the cleaning path width?

3 inch 0 Votes
Dreame X40 Ultra
9.5 inch 0 Votes
iRobot Roomba s9

Dreame X40 Ultra
vs
iRobot Roomba s9
Cleaning Path Width

The Dreame X40 Ultra has a cleaning path width of 3 inches (7.6 cm), considerably narrower than the iRobot Roomba s9's 9.5 inches (24.1 cm), meaning the Roomba can cover more ground per pass.

Width of the cleaning path.

Max Obstacle Height

What is the max obstacle height?

1.5 inch 0 Votes
Dreame X40 Ultra
2.5 inch 0 Votes
iRobot Roomba s9

Dreame X40 Ultra
vs
iRobot Roomba s9
Max Obstacle Height

The Dreame X40 Ultra can climb over obstacles up to 1.5 inches (3.8 cm) high, which is less than the iRobot Roomba s9's 2.5 inches (6.4 cm), so the Roomba may navigate more challenging thresholds.

Maximum obstacle height it can climb.

Dirt Pickup Rate

What is the dirt pickup rate?

95 % 0 Votes
Dreame X40 Ultra
99 % 1 Votes
iRobot Roomba s9

Dreame X40 Ultra
vs
iRobot Roomba s9
Dirt Pickup Rate

The Dreame X40 Ultra has a dirt pickup rate of 95%, which is slightly less than the iRobot Roomba s9's 99%, suggesting the Roomba might pick up a bit more debris.

Percentage of dirt collected in one pass.

When it comes to pure vacuuming, the Roomba S9 seems to have a slightly better dirt pickup rate. That 99% is pretty impressive for getting all the crumbs and dust.

See more

Max Airflow

What is the max airflow?

Who knows? 0 Votes Dreame X40 Ultra (Help us out by suggesting one!)

Who knows? 0 Votes iRobot Roomba s9 (Help us out by suggesting one!)

Maximum airflow delivered by the motor.

Max Suction Levels

How many suction levels are available?

68 Dreame X40 Ultra 0 Votes 4

Who knows? 0 Votes iRobot Roomba s9 (Help us out by suggesting one!)

Dreame X40 Ultra
vs
iRobot Roomba s9
Max Suction Levels

The Dreame X40 Ultra offers 4 max suction levels, but the iRobot Roomba s9 does not specify its max suction levels, giving the Dreame more control over cleaning intensity.

Number of adjustable suction settings.

Main Brush Type

What type of main brush is used?

18 Dreame X40 Ultra 0 Votes Rubber

14 iRobot Roomba s9 0 Votes Rubber

Dreame X40 Ultra
vs
iRobot Roomba s9
Score History

Updated at 2025-12-17 06:45:40: 0 Updated at 2025-12-22 08:10:49: 83 Updated at 2026-04-10 04:27:24: 85
Updated at 2025-12-17 07:16:58: 0 Updated at 2025-12-22 07:06:42: 80 Updated at 2026-04-10 04:27:46: 85
Score info for Dreame X40 Ultra:
We base our scoring on 'Main Brush Type' on the following:
Score info for iRobot Roomba s9:
We base our scoring on 'Main Brush Type' on the following:

The design of the main cleaning brush.

Side Brushes

How many side brushes does it have?

68 Dreame X40 Ultra 0 Votes 1

64 iRobot Roomba s9 0 Votes 1

Dreame X40 Ultra
vs
iRobot Roomba s9
Score History

Updated at 2025-12-17 06:45:40: 0 Updated at 2025-12-22 08:10:49: 88 Updated at 2026-04-10 04:27:24: 90
Score info for Dreame X40 Ultra:
We base our scoring on 'Side Brushes' on the following:
Score info for iRobot Roomba s9:
We base our scoring on 'Side Brushes' on the following:

Number of side brushes installed.

Filtration & Dustbin 15

Dustbin Capacity

What is the dustbin capacity?

108.8 oz 0 Votes
Dreame X40 Ultra
16.9 oz 0 Votes
iRobot Roomba s9

Dreame X40 Ultra
vs
iRobot Roomba s9
Dustbin Capacity

The Dreame X40 Ultra features a substantial 108.8 oz (3.2 L) dustbin capacity, dwarfing the iRobot Roomba s9's 16.9 oz (0.5 L) capacity, which means the Dreame requires less frequent emptying.

Maximum dustbin volume.

Max Dust Retention Efficiency

What is the dust retention efficiency?

99 % 0 Votes
Dreame X40 Ultra
99 % 0 Votes
iRobot Roomba s9

iRobot Roomba s9
iRobot Roomba s9

Very high efficiency for capturing fine dust particles, improving indoor air quality, especially in homes with pets.

Efficiency of capturing fine dust.

Filtration Type

What filtration type is used?

88 Dreame X40 Ultra 0 Votes HEPA

84 iRobot Roomba s9 0 Votes HEPA

iRobot Roomba s9
iRobot Roomba s9

High-efficiency filtration helps trap 99% of dust, allergens, and pet dander, making it ideal for allergy sufferers.

Type of filter system installed.

Dustbin Position

Where is the dustbin positioned?

68 Dreame X40 Ultra 0 Votes Back

44 iRobot Roomba s9 0 Votes Bottom

Dreame X40 Ultra
vs
iRobot Roomba s9
Dustbin Position

The Dreame X40 Ultra's dustbin is positioned at the back, whereas the iRobot Roomba s9's is at the bottom, which might affect ease of access for manual emptying.

Dreame X40 Ultra
vs
iRobot Roomba s9
Score History

Updated at 2025-12-17 07:16:58: 0 Updated at 2025-12-22 07:06:42: 75 Updated at 2026-04-10 04:27:46: 78
Score info for Dreame X40 Ultra:
We base our scoring on 'Dustbin Position' on the following:
Score info for iRobot Roomba s9:
We base our scoring on 'Dustbin Position' on the following:

Where the dustbin is located in the vacuum.

Dustbin Material

What is the dustbin made of?

98 Dreame X40 Ultra 0 Votes Plastic

94 iRobot Roomba s9 0 Votes Plastic

Dreame X40 Ultra
vs
iRobot Roomba s9
Score History

Updated at 2025-12-17 07:16:58: 0 Updated at 2025-12-22 07:06:42: 85 Updated at 2026-04-10 04:27:46: 80
Score info for Dreame X40 Ultra:
We base our scoring on 'Dustbin Material' on the following:
Score info for iRobot Roomba s9:
We base our scoring on 'Dustbin Material' on the following:

Material used for dustbin construction.

Auto Dustbin Lock

Does it have an auto dustbin lock?

Yes 0 Votes Dreame X40 Ultra

No 0 Votes iRobot Roomba s9

Dreame X40 Ultra
vs
iRobot Roomba s9
Auto Dustbin Lock

The Dreame X40 Ultra includes an Auto Dustbin Lock, a feature not present in the iRobot Roomba s9, providing added convenience and preventing accidental spills.

Prevents dust escape when removing bin.

Emptying Cycle Period

What is the emptying cycle duration?

67 Dreame X40 Ultra 0 Votes 75 Days

Who knows? 0 Votes iRobot Roomba s9 (Help us out by suggesting one!)

Dreame X40 Ultra
vs
iRobot Roomba s9
Emptying Cycle Period

The Dreame X40 Ultra has an emptying cycle period of 75 days, while this information is unavailable for the iRobot Roomba s9, highlighting the Dreame's long self-sufficiency.

The maximum period for the robot vacuum to empty the dustbin.

Bin Full Indicator

Does it have a bin full indicator?

Yes 0 Votes Dreame X40 Ultra

Yes 0 Votes iRobot Roomba s9

Alerts when dustbin is full.

Bag Type

What type of dust collection bag does it use?

43 Dreame X40 Ultra 0 Votes Bagless, Disposable Bag

44 iRobot Roomba s9 0 Votes Bagless

Dreame X40 Ultra
vs
iRobot Roomba s9
Bag Type

The Dreame X40 Ultra supports both Bagless and Disposable Bag types for dust collection, while the iRobot Roomba s9 is only Bagless, offering more flexibility for the Dreame.

Type of dust collection system used.

Dust Compression

Does it have dust compression?

Yes 0 Votes Dreame X40 Ultra

Yes 0 Votes iRobot Roomba s9

Compresses dirt inside dustbin to save space.

Auto Empty Notification

Does it notify for auto empty?

Yes 0 Votes Dreame X40 Ultra

No 0 Votes iRobot Roomba s9

Dreame X40 Ultra
vs
iRobot Roomba s9
Auto Empty Notification

The Dreame X40 Ultra sends Auto Empty Notifications, a feature the iRobot Roomba s9 lacks, ensuring users are always aware of when their dustbin needs attention.

Sends alert when dustbin auto emptied.

Filter Layers

How many filter layers does it have?

57 Dreame X40 Ultra 0 Votes 3

31 iRobot Roomba s9 0 Votes 2

Dreame X40 Ultra
vs
iRobot Roomba s9
Filter Layers

The Dreame X40 Ultra has 3 filter layers, one more than the iRobot Roomba s9's 2 filter layers, potentially offering superior air purification.

Dreame X40 Ultra
vs
iRobot Roomba s9
Score History

Updated at 2025-12-17 06:45:40: 0 Updated at 2025-12-22 08:10:49: 85 Updated at 2026-04-10 04:27:24: 87
Updated at 2025-12-17 07:16:58: 0 Updated at 2025-12-22 07:06:42: 80 Updated at 2026-04-10 04:27:46: 85
Score info for Dreame X40 Ultra:
We base our scoring on 'Filter Layers' on the following:
Score info for iRobot Roomba s9:
We base our scoring on 'Filter Layers' on the following:

Number of filter layers in system.

Mopping System 20

Mopping Function

Does it support mopping?

Yes 1 Votes Dreame X40 Ultra

No 0 Votes iRobot Roomba s9

Dreame X40 Ultra
vs
iRobot Roomba s9
Mopping Function

The Dreame X40 Ultra offers a Mopping Function, whereas the iRobot Roomba s9 does not, making the Dreame a more versatile 2-in-1 cleaning solution.

Indicates whether the vacuum supports mopping.

The mopping function is a must-have for me. It's great that the Dreame X40 Ultra can handle both vacuuming and mopping, making it a true all-in-one cleaner.

See more

Auto Mop Drying

Does it have auto mop drying?

Yes 0 Votes Dreame X40 Ultra

No 0 Votes iRobot Roomba s9

Dreame X40 Ultra
vs
iRobot Roomba s9
Auto Mop Drying

The Dreame X40 Ultra supports Auto Mop Drying, which the iRobot Roomba s9 does not, preventing mildew and odors on mop pads for the Dreame.

Dock feature that dries mop pads automatically.

Water Tank Capacity

What is the water tank capacity?

6.76 oz 0 Votes
Dreame X40 Ultra

Who knows? 0 Votes iRobot Roomba s9 (Help us out by suggesting one!)

Dreame X40 Ultra
vs
iRobot Roomba s9
Water Tank Capacity

The Dreame X40 Ultra has a water tank capacity of 6.76 oz (200 ml), but the iRobot Roomba s9 does not have a water tank as it lacks a mopping function.

Maximum volume of water tank.

Max Mop Coverage Area

What is the max mop coverage area?

2,000 sq ft 0 Votes
Dreame X40 Ultra

Who knows? 0 Votes iRobot Roomba s9 (Help us out by suggesting one!)

Dreame X40 Ultra
vs
iRobot Roomba s9
Max Mop Coverage Area

The Dreame X40 Ultra can cover a max mop area of 2000 sq ft (186 sq m), but the iRobot Roomba s9 does not have a mopping function, making the Dreame ideal for homes requiring both vacuuming and mopping.

Maximum area it can mop per refill.

Y-Shaped Mopping Path

Does it use a Y-shaped path?

Yes 0 Votes Dreame X40 Ultra

No 0 Votes iRobot Roomba s9

Follows Y-pattern for scrubbing effect.

Stain Removal Mode

Does it have stain removal mode?

Yes 0 Votes Dreame X40 Ultra

No 0 Votes iRobot Roomba s9

Special mode for tough stains.

Water Tank Type

What type of water tank is used?

77 Dreame X40 Ultra 0 Votes Electric Pump

2 iRobot Roomba s9 0 Votes None

Dreame X40 Ultra
vs
iRobot Roomba s9
Score History

Updated at 2025-12-17 06:45:40: 0 Updated at 2025-12-22 08:10:49: 87 Updated at 2026-04-10 04:27:24: 85
Score info for Dreame X40 Ultra:
We base our scoring on 'Water Tank Type' on the following:
Score info for iRobot Roomba s9:
We base our scoring on 'Water Tank Type' on the following:

The system used to dispense water.

Water Level Sensor

Does it have a water level sensor?

Yes 0 Votes Dreame X40 Ultra

No 0 Votes iRobot Roomba s9

Detects water level in the mop tank.

Tank Empty Sensor

Does it have a tank empty sensor?

Yes 0 Votes Dreame X40 Ultra

No 0 Votes iRobot Roomba s9

Notifies when mop tank is empty.

Water Flow Control

Can water flow be controlled?

Yes 0 Votes Dreame X40 Ultra

No 0 Votes iRobot Roomba s9

Ability to adjust water flow rate.

Water Flow Levels

How many water flow levels are available?

58 Dreame X40 Ultra 0 Votes 3

0 iRobot Roomba s9 0 Votes None

Number of adjustable water flow settings.

Water Heating Function

Does it heat water?

Yes 0 Votes Dreame X40 Ultra

No 0 Votes iRobot Roomba s9

Dreame X40 Ultra
vs
iRobot Roomba s9
Water Heating Function

The Dreame X40 Ultra features a Water Heating Function, which the iRobot Roomba s9 does not, allowing the Dreame to clean floors with warm water for better stain removal.

Heats water for better cleaning.

Power & Charging 18

Max Battery Life Cycles

What is the max battery life cycles?

78 Dreame X40 Ultra 0 Votes 1000

44 iRobot Roomba s9 0 Votes 500

Dreame X40 Ultra
vs
iRobot Roomba s9
Max Battery Life Cycles

The Dreame X40 Ultra has a max battery life of 1000 cycles, double that of the iRobot Roomba s9's 500 cycles, suggesting a longer battery lifespan for the Dreame.

Maximum charge cycles supported by battery.

Replaceable Battery

Is the battery replaceable?

Yes 0 Votes Dreame X40 Ultra

Yes 0 Votes iRobot Roomba s9

Battery can be swapped or replaced.

Wireless Charging

Does it support wireless charging?

Yes 0 Votes Dreame X40 Ultra

No 0 Votes iRobot Roomba s9

Dreame X40 Ultra
vs
iRobot Roomba s9
Wireless Charging

The Dreame X40 Ultra supports Wireless Charging, a feature not found in the iRobot Roomba s9, potentially offering more flexible charging options for the Dreame.

Supports contactless charging.

Dock Charging Power

What is the dock charging power?

25 Watt 0 Votes
Dreame X40 Ultra
20 Watt 0 Votes
iRobot Roomba s9

Charging power provided by dock.

Dock Return Accuracy

What is the dock return accuracy?

98 % 0 Votes
Dreame X40 Ultra
95 % 0 Votes
iRobot Roomba s9

Accuracy of docking process.

Auto Recharge

Does it auto recharge?

Yes 0 Votes Dreame X40 Ultra

Yes 0 Votes iRobot Roomba s9

Automatically returns to dock when low on battery.

Battery Capacity

What is the battery capacity?

6,400 mAh 1 Votes
Dreame X40 Ultra
3,000 mAh 0 Votes
iRobot Roomba s9

Dreame X40 Ultra
vs
iRobot Roomba s9
Battery Capacity

The Dreame X40 Ultra is equipped with a 6400 mAh battery, substantially larger than the iRobot Roomba s9's 3000 mAh battery, allowing for longer cleaning sessions.

Battery storage capacity.

A larger battery capacity means less charging and more cleaning. The Dreame X40 Ultra's 6400 mAh battery is a definite win for long cleaning sessions.

See more

Max Runtime

What is the max runtime?

198 minutes 0 Votes
Dreame X40 Ultra
120 minutes 0 Votes
iRobot Roomba s9

Dreame X40 Ultra
vs
iRobot Roomba s9
Max Runtime

The Dreame X40 Ultra offers a max runtime of 198 minutes, significantly longer than the iRobot Roomba s9's 120 minutes, which is beneficial for larger homes.

Maximum runtime per charge.

Max Charging Time

What is the charging time?

2 hours 0 Votes
Dreame X40 Ultra
1.53 hours 0 Votes
iRobot Roomba s9

Dreame X40 Ultra
Dreame X40 Ultra

The battery charges quickly, allowing the vacuum to return to work with minimal downtime, which is great for fast-paced cleaning routines.

Maximum charging time required.

Voltage Compatibility

What voltage does it support?

28 Dreame X40 Ultra 0 Votes 110V, 220V

24 iRobot Roomba s9 0 Votes 110V, 220V

iRobot Roomba s9
iRobot Roomba s9

Works with standard household outlets globally, from the U.S. to Europe, without any additional adapters.

Dreame X40 Ultra
vs
iRobot Roomba s9
Score History

Updated at 2025-12-17 07:16:58: 0 Updated at 2025-12-22 07:06:42: 85 Updated at 2026-04-10 04:27:46: 88
Score info for Dreame X40 Ultra:
We base our scoring on 'Voltage Compatibility' on the following:
Score info for iRobot Roomba s9:
We base our scoring on 'Voltage Compatibility' on the following:

Compatible power input range.

Battery Type

What type of battery does it use?

88 Dreame X40 Ultra 0 Votes Li-Ion

84 iRobot Roomba s9 0 Votes Li-Ion

The type of battery used.

Battery Level Indicator

Does it have a battery level indicator?

Yes 0 Votes Dreame X40 Ultra

Yes 0 Votes iRobot Roomba s9

Shows current battery level.

Smart Features & Connectivity 26

Cleaning Time Scheduling

Does it support scheduling?

Yes 0 Votes Dreame X40 Ultra

Yes 0 Votes iRobot Roomba s9

iRobot Roomba s9
iRobot Roomba s9

Allows you to set specific cleaning times, so it cleans while you're away or during low-traffic periods.

Can schedule cleaning times.

Remote Control

Does it support remote control?

Yes 0 Votes Dreame X40 Ultra

No 0 Votes iRobot Roomba s9

Dreame X40 Ultra
vs
iRobot Roomba s9
Remote Control

The Dreame X40 Ultra includes a Remote Control, a feature that the iRobot Roomba s9 does not offer, providing an alternative control method beyond the app.

Supports physical remote control.

Eco Mode

Does it have eco mode?

Yes 0 Votes Dreame X40 Ultra

Yes 0 Votes iRobot Roomba s9

Energy saving mode for reduced power use.

Smart Charging Scheduler

Does it have smart charging scheduler?

Yes 0 Votes Dreame X40 Ultra

Yes 0 Votes iRobot Roomba s9

Optimizes charging times based on schedule.

App Control

Does it have app control?

Yes 0 Votes Dreame X40 Ultra

Yes 0 Votes iRobot Roomba s9

iRobot Roomba s9
iRobot Roomba s9

Allows you to control cleaning remotely, schedule tasks, and monitor progress from your smartphone for added convenience.

Can be controlled via smartphone app.

Voice Assistant Compatibility

Which voice assistants are supported?

88 Dreame X40 Ultra 0 Votes Alexa, Google Assistant, Siri

87 iRobot Roomba s9 0 Votes Alexa, Google Assistant

Dreame X40 Ultra
vs
iRobot Roomba s9
Voice Assistant Compatibility

The Dreame X40 Ultra is compatible with Alexa, Google Assistant, and Siri, while the iRobot Roomba s9 works with Alexa and Google Assistant, giving the Dreame broader voice assistant integration.

Compatible voice assistants.

Wi-Fi Connectivity

Does it have Wi-Fi connectivity?

Yes 0 Votes Dreame X40 Ultra

Yes 0 Votes iRobot Roomba s9

iRobot Roomba s9
iRobot Roomba s9

Seamlessly connects to your home network, enabling remote control, status updates, and notifications via the app.

Connects to Wi-Fi network.

Bluetooth Connectivity

Does it support Bluetooth?

Yes 0 Votes Dreame X40 Ultra

Yes 0 Votes iRobot Roomba s9

Connects via Bluetooth.

Multi-User Support

Does it support multi-user access?

Yes 0 Votes Dreame X40 Ultra

Yes 0 Votes iRobot Roomba s9

Allows multiple users to access app.

Multi-Language Support

Does the app support multiple languages?

Yes 0 Votes Dreame X40 Ultra

Yes 0 Votes iRobot Roomba s9

App supports multiple languages.

Remote Start

Can it be started remotely?

Yes 0 Votes Dreame X40 Ultra

Yes 0 Votes iRobot Roomba s9

Allows starting cleaning remotely.

Smart Mapping

Does it support smart mapping?

Yes 0 Votes Dreame X40 Ultra

Yes 0 Votes iRobot Roomba s9

Creates and stores maps of your home.

Sensors & Safety 16

Cliff Sensors

Does it have cliff sensors?

Yes 0 Votes Dreame X40 Ultra

Yes 0 Votes iRobot Roomba s9

iRobot Roomba s9
iRobot Roomba s9

Prevents the robot from falling down stairs or ledges, making it safe for multi-level homes.

Detects stairs or drop offs to prevent falls.

Infrared Sensors

Does it use infrared sensors?

Yes 0 Votes Dreame X40 Ultra

Yes 0 Votes iRobot Roomba s9

Uses infrared for obstacle detection.

Anti-Tangling Sensors

Does it have anti-tangling sensors?

Yes 0 Votes Dreame X40 Ultra

Yes 0 Votes iRobot Roomba s9

iRobot Roomba s9
iRobot Roomba s9

Helps the robot avoid getting stuck on cords or rug fringes, ensuring uninterrupted cleaning.

Prevents getting stuck in cords or carpets.

Battery Safety Certification

What battery safety certification is included?

68 Dreame X40 Ultra 0 Votes UL, IEC

64 iRobot Roomba s9 0 Votes UL, CE

iRobot Roomba s9
iRobot Roomba s9

The battery complies with UL and CE standards, offering added assurance for safe use and reliability.

Certification for battery safety compliance.

Edge Detection Sensor

Does it have an edge detection sensor?

Yes 0 Votes Dreame X40 Ultra

Yes 0 Votes iRobot Roomba s9

Detects room edges for better cleaning.

Bumper Sensors

Does it have bumper sensors?

Yes 0 Votes Dreame X40 Ultra

Yes 0 Votes iRobot Roomba s9

Detects obstacles through physical contact.

Ultrasonic Sensors

Does it use ultrasonic sensors?

Yes 0 Votes Dreame X40 Ultra

Yes 0 Votes iRobot Roomba s9

Uses sound waves for precise detection.

Gyroscope Sensor

Does it have a gyroscope sensor?

Yes 0 Votes Dreame X40 Ultra

Yes 0 Votes iRobot Roomba s9

Helps stabilize direction and mapping.

Accelerometer Sensor

Does it have an accelerometer sensor?

Yes 0 Votes Dreame X40 Ultra

Yes 0 Votes iRobot Roomba s9

Detects tilt or movement for safety.

Magnetic Sensor

Does it have a magnetic sensor?

Yes 0 Votes Dreame X40 Ultra

Yes 0 Votes iRobot Roomba s9

Recognizes magnetic boundary strips.

Wheel Lift Sensor

Does it have a wheel lift sensor?

Yes 0 Votes Dreame X40 Ultra

Yes 0 Votes iRobot Roomba s9

Detects when wheels lift off the floor.

Anti-Collision Safety

Does it have anti-collision safety?

Yes 0 Votes Dreame X40 Ultra

Yes 0 Votes iRobot Roomba s9

Minimizes collisions with obstacles.

Noise & Environment 10

Material Safety Certification

What material safety certification is included?

78 Dreame X40 Ultra 0 Votes UL

74 iRobot Roomba s9 0 Votes UL

iRobot Roomba s9
iRobot Roomba s9

The product is made with UL-certified materials, ensuring a safe, non-toxic design for household use.

Certifications for eco safe materials.

Power Consumption Cleaning

What is the cleaning power consumption?

20 Watt 0 Votes
Dreame X40 Ultra
60 Watt 0 Votes
iRobot Roomba s9

Dreame X40 Ultra
vs
iRobot Roomba s9
Power Consumption Cleaning

The Dreame X40 Ultra consumes 20 Watts during cleaning, significantly less than the iRobot Roomba s9's 60 Watts, making the Dreame more energy-efficient during operation.

Energy consumed while cleaning.

Noise Level

What is the noise level?

58 dB 0 Votes
Dreame X40 Ultra
65.2 dB 0 Votes
iRobot Roomba s9

Dreame X40 Ultra
vs
iRobot Roomba s9
Noise Level

The Dreame X40 Ultra operates at a noise level of 58 dB, which is quieter than the iRobot Roomba s9's 65.2 dB, making the Dreame less disruptive during cleaning.

Average operating sound level.

Energy Star Certification

Is it Energy Star certified?

Yes 0 Votes Dreame X40 Ultra

Yes 0 Votes iRobot Roomba s9

iRobot Roomba s9
iRobot Roomba s9

Recognized for energy efficiency, helping to reduce electricity consumption and lowering your energy bills.

Certified for energy efficiency.

Quiet Mode

Does it have quiet mode?

Yes 0 Votes Dreame X40 Ultra

Yes 0 Votes iRobot Roomba s9

Special mode to reduce noise output.

Power Consumption Standby

What is the standby power consumption?

3 Watt 0 Votes
Dreame X40 Ultra
1 Watt 0 Votes
iRobot Roomba s9

Dreame X40 Ultra
vs
iRobot Roomba s9
Power Consumption Standby

The Dreame X40 Ultra consumes 3 Watts in standby, higher than the iRobot Roomba s9's 1 Watt, indicating slightly more idle power use for the Dreame.

Energy consumed while idle.

Power Consumption Charging

What is the charging power consumption?

25 Watt 0 Votes
Dreame X40 Ultra
50 Watt 0 Votes
iRobot Roomba s9

Dreame X40 Ultra
vs
iRobot Roomba s9
Power Consumption Charging

The Dreame X40 Ultra uses 25 Watts for charging, which is half of the iRobot Roomba s9's 50 Watts, indicating more efficient power usage during charging for the Dreame.

Power used while charging.

Recyclable Materials

Is it made from recyclable materials?

Yes 0 Votes Dreame X40 Ultra

Yes 0 Votes iRobot Roomba s9

Made with recyclable materials.

Operating Temperature Range

What is the operating temperature range?

62 Dreame X40 Ultra 0 Votes 41–104°F

62 iRobot Roomba s9 0 Votes 23–104°F

Dreame X40 Ultra
vs
iRobot Roomba s9
Score History

Updated at 2025-12-17 07:16:58: 0 Updated at 2025-12-22 07:06:42: 80 Updated at 2026-04-10 04:27:46: 78
Score info for Dreame X40 Ultra:
We base our scoring on 'Operating Temperature Range' on the following:
Score info for iRobot Roomba s9:
We base our scoring on 'Operating Temperature Range' on the following:

Temperature range where the vacuum operates safely.

Operating Humidity Range

What is the operating humidity range?

72 Dreame X40 Ultra 0 Votes 10–90%

67 iRobot Roomba s9 0 Votes 0–90%

Dreame X40 Ultra
vs
iRobot Roomba s9
Score History

Updated at 2025-12-17 07:16:58: 0 Updated at 2025-12-22 07:06:42: 78 Updated at 2026-04-10 04:27:46: 77
Score info for Dreame X40 Ultra:
We base our scoring on 'Operating Humidity Range' on the following:
Score info for iRobot Roomba s9:
We base our scoring on 'Operating Humidity Range' on the following:

Humidity range suitable for operation.

Accessories & Extras 11

Extra Battery

Is an extra battery included?

Yes 0 Votes Dreame X40 Ultra

Yes 0 Votes iRobot Roomba s9

Whether an additional battery is included.

Extra Filters

How many extra filters are included?

38 Dreame X40 Ultra 0 Votes 1

34 iRobot Roomba s9 0 Votes 1

Dreame X40 Ultra
vs
iRobot Roomba s9
Score History

Updated at 2025-12-17 07:16:58: 0 Updated at 2025-12-22 07:06:42: 75 Updated at 2026-04-10 04:27:46: 80
Score info for Dreame X40 Ultra:
We base our scoring on 'Extra Filters' on the following:
Score info for iRobot Roomba s9:
We base our scoring on 'Extra Filters' on the following:

Number of spare filters in the package.

Extra Brushes

How many extra brushes are included?

38 Dreame X40 Ultra 0 Votes 1

34 iRobot Roomba s9 0 Votes 1

Number of spare brushes in the package.

Extra Mop Pads

How many extra mop pads are included?

68 Dreame X40 Ultra 0 Votes 4

0 iRobot Roomba s9 0 Votes None

Dreame X40 Ultra
vs
iRobot Roomba s9
Extra Mop Pads

The Dreame X40 Ultra includes 4 extra mop pads, whereas the iRobot Roomba s9 comes with none, providing more spare parts for the Dreame's mopping function.

Number of spare mop pads in the package.

Extra Mop Cloths

How many extra mop cloths are included?

8 Dreame X40 Ultra 0 Votes None

4 iRobot Roomba s9 0 Votes None

Number of additional mop cloths included.

Extra Dust Bags

How many extra dust bags are included?

53 Dreame X40 Ultra 0 Votes 2

0 iRobot Roomba s9 0 Votes None

Dreame X40 Ultra
vs
iRobot Roomba s9
Extra Dust Bags

The Dreame X40 Ultra comes with 2 extra dust bags, a convenience not offered by the iRobot Roomba s9, ensuring longer periods before needing to purchase replacements.

Dreame X40 Ultra
vs
iRobot Roomba s9
Score History

Updated at 2025-12-17 06:45:40: 0 Updated at 2025-12-22 08:10:49: 85 Updated at 2026-04-10 04:27:24: 80
Score info for Dreame X40 Ultra:
We base our scoring on 'Extra Dust Bags' on the following:
Score info for iRobot Roomba s9:
We base our scoring on 'Extra Dust Bags' on the following:

Number of spare dust bags provided.

Cleaning Tool

Is a cleaning tool included?

Yes 0 Votes Dreame X40 Ultra

Yes 0 Votes iRobot Roomba s9

Whether a cleaning comb or tool is included.

Starter Cleaning Solution

Is a starter cleaning solution included?

Yes 0 Votes Dreame X40 Ultra

Yes 0 Votes iRobot Roomba s9

Whether a bottle of cleaning solution is provided.

Dock Station Type

What type of dock station is included?

55 Dreame X40 Ultra 0 Votes Charging Dock, Auto Empty Dock, Auto Wash Dock, Auto Fill Dock, Auto Dry Dock

14 iRobot Roomba s9 0 Votes Charging Dock

Dreame X40 Ultra
vs
iRobot Roomba s9
Dock Station Type

The Dreame X40 Ultra supports a comprehensive range of dock types including Charging, Auto Empty, Auto Wash, Auto Fill, and Auto Dry, while the iRobot Roomba s9 only offers a Charging Dock, highlighting the Dreame's superior automation.

Type of dock included.

Accessory Storage Bag

Is an accessory storage bag included?

Yes 0 Votes Dreame X40 Ultra

Yes 0 Votes iRobot Roomba s9

Whether a storage bag for accessories is included.

Protective Mat

Is a protective mat included?

Yes 0 Votes Dreame X40 Ultra

Yes 0 Votes iRobot Roomba s9

Whether a mat for water protection under the dock is included.

Maintenance & Service 12

Filter Replacement Indicator

Does it have a filter replacement indicator?

Yes 0 Votes Dreame X40 Ultra

Yes 0 Votes iRobot Roomba s9

Notifies when filter needs replacing.

Brush Replacement Indicator

Does it have a brush replacement indicator?

Yes 0 Votes Dreame X40 Ultra

Yes 0 Votes iRobot Roomba s9

Notifies when brush needs replacing.

Self-Cleaning Brush

Does it have a self-cleaning brush?

Yes 0 Votes Dreame X40 Ultra

Yes 0 Votes iRobot Roomba s9

Main brush can automatically clean itself.

Washable Filter

Is the filter washable?

Yes 0 Votes Dreame X40 Ultra

Yes 0 Votes iRobot Roomba s9

Filter can be washed instead of replaced.

Washable Mop Cloth

Is the mop cloth washable?

Yes 0 Votes Dreame X40 Ultra

No 0 Votes iRobot Roomba s9

Mop cloth can be washed and reused.

Filter Lifetime

What is the filter lifetime?

6 months 0 Votes
Dreame X40 Ultra
12 months 0 Votes
iRobot Roomba s9

Expected lifespan of the filter.

Modular Component Replacement

Are components modular and replaceable?

Yes 0 Votes Dreame X40 Ultra

Yes 0 Votes iRobot Roomba s9

Components can be swapped out individually.

Service Availability

What is the service availability?

98 Dreame X40 Ultra 0 Votes Global

94 iRobot Roomba s9 0 Votes Global

Availability of repair service coverage.

Customer Support Channels

What customer support channels are available?

31 Dreame X40 Ultra 0 Votes Phone, Email, Chat

37 iRobot Roomba s9 0 Votes Phone, Email, Chat, App Support

Dreame X40 Ultra
vs
iRobot Roomba s9
Score History

Updated at 2025-12-17 06:45:40: 0 Updated at 2025-12-22 08:10:49: 88 Updated at 2026-04-10 04:27:24: 90
Updated at 2025-12-17 07:16:58: 0 Updated at 2025-12-22 07:06:42: 85 Updated at 2026-04-10 04:27:46: 90
Score info for Dreame X40 Ultra:
We base our scoring on 'Customer Support Channels' on the following:
Score info for iRobot Roomba s9:
We base our scoring on 'Customer Support Channels' on the following:

Available support methods.

Service Appointments Online

Can service appointments be booked online?

Yes 0 Votes Dreame X40 Ultra

Yes 0 Votes iRobot Roomba s9

Ability to book service appointments online.

Repair Turnaround Time

What is the repair turnaround time?

78 Dreame X40 Ultra 0 Votes Fast

34 iRobot Roomba s9 0 Votes Average

Dreame X40 Ultra
vs
iRobot Roomba s9
Score History

Updated at 2025-12-17 06:45:40: 0 Updated at 2025-12-22 08:10:49: 90 Updated at 2026-04-10 04:27:24: 88
Updated at 2025-12-17 07:16:58: 0 Updated at 2025-12-22 07:06:42: 80 Updated at 2026-04-10 04:27:46: 85
Score info for Dreame X40 Ultra:
We base our scoring on 'Repair Turnaround Time' on the following:
Score info for iRobot Roomba s9:
We base our scoring on 'Repair Turnaround Time' on the following:

Average time for repair service.

Warranty Extension Option

Is a warranty extension option available?

Yes 0 Votes Dreame X40 Ultra

Yes 0 Votes iRobot Roomba s9

Option to purchase extended warranty.

Surveys

Because hot takes deserve votes.

Cleaning Performance

How would you rate the cleaning performance of this robot vacuum?

Excellent — Picks up all debris and cleans every corner with ease.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9
Very Good — Cleans most areas with minor spots left.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9
Good — Cleans effectively, but some areas need a little attention.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9
Fair — Leaves debris in some areas and may require additional cleaning.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9
Poor — Struggles to clean and leaves significant debris behind.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9

Battery Life

How would you rate the battery life of this robot vacuum?

Excellent — Runs for 2+ hours on a single charge.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9
Very Good — Runs for 1.5 to 2 hours on a single charge.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9
Good — Runs for 1 to 1.5 hours on a single charge.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9
Fair — Runs for 30 to 60 minutes on a single charge.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9
Poor — Runs for less than 30 minutes on a single charge.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9

Noise Level

How would you rate the noise level of this robot vacuum?

Very Quiet — Barely noticeable even in a quiet room.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9
Quiet — Slightly noticeable but not disruptive.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9
Average — Noticeable and can be a bit distracting.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9
Loud — Noticeable and bothersome in quiet spaces.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9
Very Loud — Distracting and uncomfortable to be around.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9

Ease of Setup

How easy was it to set up this robot vacuum?

Very Easy — Set up was quick and intuitive with no issues.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9
Easy — Simple setup with minimal guidance needed.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9
Average — Took a bit of time but manageable with instructions.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9
Difficult — Had trouble setting it up and needed assistance.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9
Very Difficult — Setup was complicated and confusing.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9

Design Appeal

How would you rate the design and appearance of this robot vacuum?

Stylish — Sleek, modern design that fits well in any room.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9
Attractive — Looks good and suits most home styles.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9
Neutral — Basic design that doesn't stand out.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9
Unattractive — Design feels bulky or outdated.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9
Poor — Design is unappealing and doesn't blend well in the home.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9

Pricing

How would you rate the value for money of this robot vacuum?

Great value for money — You get more than what you paid for.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9
Pretty good price — Worth the price for the features.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9
Fair deal — Reasonable for what it offers.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9
Kinda pricey — Expensive for what it does.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9
Crazy expensive — The price is too high for the features offered.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9

Cleaning Modes

How would you rate the variety and effectiveness of cleaning modes?

Excellent — Multiple modes that work well for different floor types and needs.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9
Very Good — Several modes that cover most cleaning situations.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9
Good — Few modes, but they get the job done.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9
Fair — Limited modes and may require manual intervention.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9
Poor — Only one cleaning mode, insufficient for all needs.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9

Navigation and Mapping

How would you rate the robot vacuum’s navigation and mapping ability?

Excellent — Very precise, maps entire home, avoids obstacles effectively.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9
Very Good — Maps large areas with few obstacles.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9
Good — Navigates well but occasionally bumps into things.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9
Fair — Struggles with navigation and often misses areas.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9
Poor — Poor at mapping or getting stuck frequently.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9

App and Smart Features

How would you rate the app and smart features of this robot vacuum?

Excellent — Easy to use app with great features like scheduling, remote control, and updates.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9
Very Good — App is functional with scheduling and cleaning status features.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9
Good — App works, but lacks advanced features.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9
Fair — App is limited and occasionally buggy.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9
Poor — App is difficult to use or doesn’t work properly.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9

Durability and Build Quality

How would you rate the durability and build quality of this robot vacuum?

Excellent — Sturdy construction, feels premium, and built to last.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9
Very Good — Well-built, feels solid with no major issues.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9
Good — Decent build quality but feels a bit flimsy at times.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9
Fair — Some parts feel weak or cheaply made.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9
Poor — Fragile and prone to damage from regular use.
0 Votes
Dreame X40 Ultra
0 Votes
iRobot Roomba s9

Guides 2

Files 1

Dreame X40 Ultra Robot Vacuum and Mop User Manual

dreametech.com
dreametech.com

Files 1

iRobot Roomba s9 Robot Vacuum User Manual

manuals.plus
manuals.plus

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