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Dreame X40 Ultra Robot Vacuum vs iRobot Roomba Combo 10 Max

Buy the Dreame X40 Ultra if you want the strongest suction and the most control over mopping, including hot-water mop washing and a mop that lifts clear of carpet. Buy the Roomba Combo 10 Max if you want the simplest hands-off routine and Apple Home or Matter support. The Dreame wins on raw cleaning power and app depth; the Roomba wins on ecosystem fit and set-and-forget dock capacity. Owners of both praise the automation, but some Roomba users find setup and programming harder than expected.

  • Choose the Dreame X40 Ultra if you have pets, lots of carpet edges and corners, and want high suction plus adjustable mop heat and lift.
  • Choose the iRobot Roomba Combo 10 Max if you use Apple Home or Matter and want a dock that holds debris for weeks and refills water on its own.

Prices

  • Dreame X40 Ultra Robot Vacuum: $549.99 at Best Buy (checked today)
  • iRobot Roomba Combo 10 Max: $399.99 at Amazon (checked today)
  • Difference: the iRobot Roomba Combo 10 Max is $150.00 cheaper than the Dreame X40 Ultra Robot Vacuum today
Dreame
Dreame X40 Ultra

Dreame X40 Ultra Robot Vacuum

Dreame X40 Ultra

4.3(76 ratings)
$549.99at Best BuyObserved Nov 8, 2026, 2:23 PM
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Pros
  • High 12,000Pa suction for pet hair and deep carpet
  • Mop lifts and detaches to keep carpet dry
  • Hot-water mop and washboard cleaning with app temperature control
  • Extendable side brush reaches corners and furniture legs
  • Long runtime and resumes cleaning after recharging
Cons
  • You refill and empty the dock tanks yourself
  • Large dock footprint
  • No Apple Home or Matter support
iRobot
iRobot Roomba Combo 10 Max

iRobot Roomba Combo 10 Max

4.2(88 ratings)
$399.99at AmazonObserved Nov 8, 2026, 1:32 PM
See all prices and details
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As an Amazon Associate, Deal.ai earns from qualifying purchases.

Pros
  • Dock empties debris for up to 60 days and refills water for up to 7 days
  • Mop pad washes and dries automatically after each run
  • Works with Matter, Apple Home, Alexa, Siri and Google
  • Learns which rooms get dirty fastest
  • Simple hands-off routine
Cons
  • No published suction figure in Pa
  • Some owners find it hard to program
  • Mop pad design rather than a lifting mop bar

What separates them

Dreame X40 Ultra Robot VacuumiRobot Roomba Combo 10 Max
Suction power12,000Pa, the higher figure of the twoiRobot claims 100% more suction than its Combo i Series, without a Pa figure
Mop handlingMop lifts 10.5 mm and can detach; side brush extends into cornersMop pad auto-retracts and the dock washes and dries it after each run
Mop washingWashes mop and washboard with 70°C water, four temperature levels in the appWashes and dries the pad automatically after each use
Dock capacity0.85 gal bin; water tanks refilled by youUp to 60 days of debris and up to 7 days of water without touching it
Smart homeWi-Fi with Alexa; app controlMatter, Apple Home, Alexa, Siri and Google Assistant
Runtime and batteryUp to 198 minutes from a 6400mAh battery, resumes after rechargeCharge time about 2 hours; runtime not stated
Navigation3D structured light, onboard camera and LED lights for low-light navigationDetection sensors plus camera with room learning
FiltrationHEPA filter, replaceableBagless with 3-stage filters

Price history

$599.00$195.00
Oct 29Nov 9
  • Dreame X40 Ultra Robot Vacuum: lowest $329.00 on Nov 1 at eBay; $539.99 on Nov 9.
  • iRobot Roomba Combo 10 Max: lowest $195.00 on Oct 29; $399.99 on Nov 8.

Prices at every store

Dreame X40 Ultra Robot Vacuum

  • Best BuyNew

    In stock

    $549.99Observed Nov 8, 2026, 2:23 PM
    Visit Best Buy
  • WalmartNew

    In stockSold by IOT Warehouse

    $549.99Observed Nov 7, 2026, 6:57 PM
    Visit Walmart
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $589.99Free shippingObserved Nov 8, 2026, 1:32 PM
    Visit Amazon
  • eBayNew

    Availability unknownSold by binsandbeyound

    $836.99Observed Nov 7, 2026, 6:57 PM
    Visit eBay

Also available at

  • eBayCheck price at eBay
  • WalmartCheck price at Walmart

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All 7 stores and price history →

iRobot Roomba Combo 10 Max

  • WalmartNew

    In stockSold by Deal Supply

    $774.95Free shippingObserved Nov 7, 2026, 2:53 PM
    Visit Walmart
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $399.99Free shippingObserved Nov 8, 2026, 1:32 PM
    Visit Amazon
  • eBayNew

    Availability unknownSold by jac713746 (100% positive, 17 ratings)Ships from Canada · duties may applyReturns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $487.60+ $14.16 shippingVerified
    Visit eBay
  • RELYmediaNew

    Availability unknown

    $1,119.99Observed Nov 5, 2026, 7:26 AM
    Visit RELYmedia

Also available at

  • eBayCheck price at eBay

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All 7 stores and price history →

Specs compared

SpecDreame X40 Ultra Robot VacuumiRobot Roomba Combo 10 Max
CordlessYesYes
ColorBlackBlack
Assistant SupportAmazon AlexaGoogle Assistant, Amazon Alexa, Siri
Capacity0.85 gal, 1.19 gal1.06 gal
For PetsYesYes
Weight33 lb11 lb
Wet / DryYes—
Cleaning Path Width3 inches—
Vacuum TypeRobotic—
Bin Capacity0.85 gallons—
Baglesstrue—
Compatible Floor TypeAll floors—
Show all 40 specsShow fewer specs
SpecDreame X40 Ultra Robot VacuumiRobot Roomba Combo 10 Max
Corded/CordlessCordless—
Wet And Dry Usagetrue—
Filter TypeReplaceable—
Multi Surfacetrue—
Maximum Runtime198 minutes—
BrandDreame—
Model NumberX40 Ultra-White—
Product Height23.23 inches—
Product Length13.78 inches—
Product Width

What reviewers say

Dreame X40 Ultra Robot Vacuum

  • 4.3 / 576 ratings

Rated 4.3 out of 5 from 76 ratings, the X40 Ultra is generally well received for its suction and self-maintaining dock. Owners like the carpet protection and corner reach; some find the dock bulky and the wash cycle loud.

What people mention
  • SuctionPraisedOwners say 12,000Pa picks up pet hair and debris well on both carpet and hard floors.
  • Mop liftPraisedThe lifting and detaching mop is credited with keeping carpets from getting wet.
  • Dock sizeCriticisedThe base station is described as bulky and hard to tuck away.
  • NoiseMixedCleaning is acceptable, but the hot-water mop wash and drying cycle draws complaints for noise.

iRobot Roomba Combo 10 Max

  • 4.2 / 588 ratings

Owners of the Combo 10 Max generally rate the hands-off dock highly, especially the self-washing mop. Complaints center on the dock's size and the price.

What people mention
  • Mop washingPraisedOwners like that the dock washes and dries the pad so it doesn't sit damp and smelly.
  • Dock sizeCriticisedThe multifunction base takes up noticeable floor space and needs room around it.
  • Carpet transitionPraisedThe retracting mop plate lets it vacuum rugs without dragging a wet pad across them.
  • Water tankMixed
Reviews
  • Best Robot Vacuums We've Tested - CNET
  • Thousands of readers bought these 10 most popular robot vacuums and mowers in 2025 - ZDNET
  • Best Robot Vacuums: After Testing 47 Vacs We Have an Unexpected Winner
  • Thousands of readers bought these 10 most popular robot vacuums and mowers in 2025 - ZDNET

Questions and answers

Which is better for homes with pets?
The Dreame X40 Ultra has the higher stated suction at 12,000Pa and a HEPA filter, which suits heavy pet hair. The Roomba Combo 10 Max is also pet-rated and its dock holds debris for weeks, so it needs less attention.
Which keeps carpet drier when mopping?
Both lift the mop off carpet. The Dreame raises its mop 10.5 mm and can detach it entirely. The Roomba retracts its mop pad into the robot.
Which is easier to live with day to day?
The Roomba Combo 10 Max. Its dock empties debris for up to 60 days and refills water for up to 7 days, so you touch it far less often. The Dreame makes you handle its tanks more frequently.
Is the Dreame worth stepping up to over the Roomba?
If suction, corner reach and mop temperature control matter most, yes. If you want Apple Home or Matter and the longest unattended stretches, the Roomba is the better fit.
Which works better with a smart home?
The Roomba Combo 10 Max supports Matter, Apple Home, Alexa, Siri and Google Assistant. The Dreame X40 Ultra is Wi-Fi with Alexa support and app control.
Which lasts longer per charge?
The Dreame states up to 198 minutes from a 6400mAh battery and resumes after recharging. iRobot does not publish a runtime for the Roomba Combo 10 Max; it lists about a 2-hour charge time.

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Buying guides that pick them

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17.99 inches
—
Connectivity TechnologyWi-Fi—
Cliff Sensortrue—
Voltage120 volts—
Remote Controltrue—
Edge Cleaningtrue—
Rechargeable Batterytrue—
App Compatibletrue—
HEPA FilterYes—
Actual Color12KPa|White—
DimensionsH 35 x W 35 x D 9.7 cm—
Suction Performance (kPa) (kPa)12.0—
Dust Bin Capacity (gal)0.08—
FeaturesEdge Cleaning, Mopping—
Threshold Height (")0.9—
Battery Capacity (mAh)6400—
Charging Station IncludedYes—
Dock debris capacity—up to 60 days
Dock water supply—up to 7 days
About a week of water per fill is convenient, but refilling is still a regular task.