ECOVACS DEEBOT X9 PRO Omni vs. dreame X40 Ultra Complete: Robot Vacuum Cleaner Practical Test

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01.08.2025autorenew

In this comparison, we take a deeper look on the ECOVACS DEEBOT X9 PRO Omni and the dreame X40 Ultra Complete: Two of the best performing robot vacuums in 2025. But which one is better?

DEEBOT X9 PRO Omni vs. dreame X40 Ultra Complete – Which Robot Vacuum Convinces in Daily Use?

Anyone looking for a high-end robot vacuum often faces a difficult choice. Two of the most exciting devices currently available are the [url="https://www.amazon.de/dp/B0F1SWS24N?tag=produck-21",name="ECOVACS DEEBOT X9 PRO Omni",title=""] and the [url="https://www.amazon.de/dp/B0CYZWFWRX?tag=produck-21",name="dreame X40 Ultra Complete",title=""]. Both models offer an impressive technology package, but differ in details that can be crucial in daily use. In this article, I'll show you from my tests where the strengths and weaknesses of both robots lie and which model is particularly suitable for whom.

Robot Vacuum Comparison: ECOVACS DEEBOT X9 PRO Omni and dreame X40 Ultra Complete
Two strong robot vacuums in test: Left the DEEBOT X9 PRO Omni, right the dreame X40 Ultra Complete

The Most Important Differences at a Glance

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Both robots rely on state-of-the-art LDS laser navigation, feature strong suction power and a comprehensive app. Nevertheless, some differences become apparent in daily testing that can be decisive depending on your living situation.

Advantages of the DEEBOT X9 PRO Omni Overview

  • Higher nominal suction power (up to 16,600 Pa)
  • Better hair pickup on laminate and carpet
  • Very solid mopping performance on large surfaces
  • Intelligent voice assistant (YIKO) integrated
  • Quieter in operation (max. 65 dB)
  • Higher hot water temperature for cleaning (75 °C)
  • Somewhat more compact charging station, lower build height

Advantages of the dreame X40 Ultra Complete Overview

  • Better corner cleaning
  • Very strong mopping performance especially for stubborn dirt (e.g. coffee)
  • Larger dust and fresh water tank at the station
  • Longer maximum battery life (up to 260 minutes)
  • Fast and thorough cleaning at the edges
  • More supported voice assistants (incl. Siri)
  • Additional features like Valetudo support and mop storage function
  • Very strong suction power, especially on hard floors
  • Quiet operation and high cleaning quality
  • Versatile app control
  • Intelligent voice control integrated
  • Cleaning of small corners not optimal
  • Dust container somewhat smaller than the X40 Ultra
  • Priced higher

  • Extremely thorough edge and corner cleaning
  • Large water tanks for less frequent refilling
  • Long battery life, ideal for large apartments
  • Very good mopping performance on stubborn stains
  • Additional compatibility with voice assistants
  • Somewhat louder in operation
  • Performance on carpet slightly weaker
  • Less comfortable cleaning on large surfaces
  • Determination of consumption data still pending in test

Technical Differences and Their Impact on Cleaning

In daily use it shows: The suction power of the DEEBOT X9 PRO Omni is noticeably higher, which is particularly noticeable in carpet cleaning and pet hair pickup. Anyone who has pets or frequently finds hair on the floor clearly benefits from the DEEBOT.

The dreame X40 Ultra Complete trumps with excellent edge and corner cleaning. Here the special brush mechanism comes into play, which reliably removes dirt even in difficult areas. The mopping performance on sticky or dried stains is also impressive.

Both robots offer advanced mopping technologies and automatic fresh water supply. In terms of navigation they are on par, with the DEEBOT scoring points for quiet operation and the X40 Ultra convincing with longer battery life.

Comparison Table: Technical Data and Evaluation

DimensionECOVACS DEEBOT X9 PRO Omnidreame X40 Ultra CompleteConclusionAdvantage (%)
Price1099 €850 €dreame X40 Ultra cheaperapprox. 23% cheaper
Suction Power16,600 Pa12,000 PaDEEBOT X9 PRO slightly betterapprox. 38% more power
Max. Battery Life160 min260 mindreame X40 Ultra betterapprox. 63% longer
Noise Level65 dB68 dBDEEBOT X9 PRO quieterapprox. 4% quieter
Dust Container Volume220 ml300 mldreame X40 Ultra betterapprox. 36% larger
Water Tank Station4000 ml4500 mldreame X40 Ultra betterapprox. 13% larger
Hair Cleaning PerformanceBetterGoodDEEBOT X9 PRO betterapprox. 40% better
Corner CleaningGoodVery gooddreame X40 Ultra betterapprox. 25% better
Mopping Performance on StainsGoodVery gooddreame X40 Ultra betterapprox. 30% better
Voice AssistantsAmazon Alexa, Google, YIKOAmazon Alexa, Google, Siridreame X40 Ultra more flexible
Overall RatingVery goodVery goodTied

Comparison of the Most Important Features

CategoryDEEBOT X9 PRO Omnidreame X40 Ultra CompleteConclusion
Mopping FunctionLiftable side brush, active water supply, liftable on carpet, recognizes carpets, mopping to the edgeLiftable side brush, active water supply, rotating, liftable on carpet, recognizes carpets, mopping to the edgedreame X40 Ultra slightly better due to rotating mopping function
Cleaning StationMop hot water cleaning, tank for cleaning agent, automatic fillingMop hot water cleaning, tank for cleaning agent, mop storage function, water connection possibledreame X40 Ultra more versatile
App FeaturesCamera access, multiple maps, virtual boundaries, 3D mapCamera access, multiple maps, virtual boundaries, 3D map, Valetudo supportdreame X40 Ultra minimally more flexible
Voice ControlAmazon Alexa, Google Assistant, YIKOAmazon Alexa, Google Assistant, Siridreame X40 Ultra somewhat better
Household SizeSuitable for all apartment sizesSuitable for all apartment sizes, ideal for large areasdreame X40 Ultra better for large apartments

Which Model is Suitable for Whom?

From my experience, I recommend the DEEBOT X9 PRO Omni especially if you value high suction power and quiet operation. Anyone with many carpets and pets will have the most joy with this model. The integration of the YIKO voice assistant is a nice bonus for tech fans.

The dreame X40 Ultra Complete plays to its strengths in large apartments or houses. The longer battery life, larger tank volume and outstanding edge cleaning make it the favorite for frequent cleaners and anyone who values flexibility and compatibility with various voice assistants.

My Tip: Anyone who prioritizes maximum suction power and pet hair removal should go for the DEEBOT X9 PRO Omni. Anyone who prioritizes large areas, corners and long running times will find the perfect partner in the dreame X40 Ultra Complete.

Summary of the Most Important Differences

FeatureBetter Model
Suction Power on Hard FloorDEEBOT X9 PRO Omni
Suction Power on CarpetDEEBOT X9 PRO Omni
Edge and Corner Cleaningdreame X40 Ultra Complete
Mopping Performance on Stubborn Dirtdreame X40 Ultra Complete
Noise LevelDEEBOT X9 PRO Omni
Tank Volume Stationdreame X40 Ultra Complete
App Features & Voice Assistantsdreame X40 Ultra Complete
Overall Efficiency for Small HouseholdsDEEBOT X9 PRO Omni
Overall Efficiency for Large Householdsdreame X40 Ultra Complete
Price-Performancedreame X40 Ultra Complete

Conclusion and Purchase Recommendation

Both robot vacuums are genuine top models with specific strengths. The DEEBOT X9 PRO Omni impresses with performance, quiet operation and strong hair pickup. The dreame X40 Ultra Complete scores with runtime, tank volume and corner cleaning. Anyone looking for the best overall package should pay attention to their own requirements – then there's no wrong choice with either of these two models.

Buy Now and Compare

Here you can find both models directly on Amazon – compare prices and offers:

[asin="B0F1SWS24N",type="standard"]
[asin="B0CYZWFWRX",type="standard"]
Ecovacs
Dreame
Robot-Vacuum