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Dreame L40 Ultra Gen 2 Robot Vacuum vs Roborock Qrevo Curv

The Roborock Qrevo Curv is the better buy for most shoppers: it costs $469.99 at eBay as of November 3, 2026, versus $749.99 at Dreame for the L40 Ultra Gen 2. The Dreame wins on raw suction (25,000 Pa vs 10,000 Pa), mop lifting height and a 100-day bagged dock, so pick it if you have heavy pet hair and want the longest hands-off stretch. The Qrevo Curv is the value pick and has been as low as $469.99 and as high as $649.99 in the past week, so its price moves.

Today the Roborock Qrevo Curv costs $249.99 less at its best price.

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Dreame
Dreame L40 Ultra Gen 2 Robot Vacuum

Dreame L40 Ultra Gen 2 Robot Vacuum

4.6· 552 ratings
$749.99at DreameVerified
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Choose the Dreame L40 Ultra Gen 2 if you have shedding pets or thick carpet and want the strongest suction, a 100-day bagged auto-empty dock and mops that lift 10.5mm clear of rugs.

Pros
  • 25,000 Pa suction is the highest in this pair for deep carpet and pet hair
  • Bagged 3.2L dock runs up to 100 days between empties
  • Mop lifts 10.5mm and extends 1.57in into edges and corners

What separates them

Dreame L40 Ultra Gen 2 Robot VacuumRoborock Qrevo Curv
Price as of November 3, 2026$749.99 at Dreame$469.99 at eBay
Suction power25,000 Pa10,000 Pa
Auto-empty dock3.2L bagged, up to 100 daysBagless, up to 60 days
Mop lifting height0.41in (10.5mm)Auto-lift pads, height not stated
Mop designRotating mop with 32 moisture levels and 1.57in extensionDual rotating pads with consistent pressure
Navigation3D structured light obstacle avoidanceLiDAR mapping with AI obstacle avoidance
Battery and runtime5,200 mAh, 200 minNot stated; 22 lb unit

Price history

$649.99$464.99
Oct 31Nov 3
  • Dreame L40 Ultra Gen 2 Robot Vacuum: lowest $464.99 on Nov 2 at PayMore Maplewood.
  • Roborock Qrevo Curv: lowest $469.99 on Oct 31 at eBay; $469.99 on Nov 3.

Prices at every store

Dreame L40 Ultra Gen 2 Robot Vacuum

  • DreameNew

    In stockReturn policy

    $749.99Verified
    Visit store

Also available at

  • Best BuyCheck price at Best Buy
  • DreametechCheck price at Dreametech
  • eBayCheck price at eBay
Prices and history →

Roborock Qrevo Curv

  • eBayPre-owned

    In stockSold by azing_electronics

    $469.99Free shippingVerified
    Visit store
  • BrandsMart USANew

    In stock

    $649.99Observed Nov 3, 2026, 6:36 PM
    Visit store
  • Home DepotNew

    In stock

    $699.99Observed Nov 3, 2026, 6:36 PM
    Visit store
  • eBayNew

    Availability unknownSold by ef-powertools (100% positive, 19 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $500.00+ $16.64 shippingVerified
    Visit store

Also available at

  • BrandsMart USACheck price at BrandsMart USA
  • Microless.comCheck price at Microless.com
  • ShopCheck price at Shop

Specs compared

SpecDreame L40 Ultra Gen 2 Robot VacuumRoborock Qrevo Curv
Power SourceCordless—
Surface TypeCarpets—
Wet / DryYes (Vacuum and Mop)—
Suction Power25,000 Pa—
Battery LifeHours of whole-home cleaning—
Vacuum TypeRobot Vacuum and Mop—
Typical UsersPet owners—
Mop lifting height0.41in (10.5mm)—
Mop extension reach1.57in (4cm)—
Mop moisture levels32-Level—

What reviewers say

Dreame L40 Ultra Gen 2 Robot Vacuum

Rated 4.6 out of 5 from 552 ratings. Owners describe low-effort upkeep, quiet overnight runs and reliable mapping across hardwood, carpet and tile. A small share of reviews are low-rated.

Pros
  • Keeps floors clean with little effort
  • Quiet enough to run overnight
  • Moves easily across hardwood, carpet and tile
  • Maps rooms well and the app makes room selection easy
Cons
  • A small share of reviews are low-rated

Roborock Qrevo Curv

Owners rate it 4.4 out of 5 across 160 ratings, generally praising suction and hands-off mopping. Complaints tend to center on dock size and maintenance costs.

Pros
  • Strong pickup on carpet and pet hair
  • Mop pads leave hard floors streak-free

Questions and answers

Which is better for pet hair?
The Dreame L40 Ultra Gen 2, on paper. Its 25,000 Pa suction and TriCut Brush 2.0 are aimed at pet hair, and it is rated for pet owners. The Qrevo Curv's 10,000 Pa is still strong but lower.
Is the Dreame worth the extra $280?
Only if you need maximum suction or the 100-day bagged dock. The Qrevo Curv covers vacuuming, mopping and self-emptying for $469.99 at eBay as of November 3, 2026.
Which keeps carpets drier while mopping?
The Dreame states a 10.5mm mop lift and four carpet modes. Roborock says the Qrevo Curv auto-lifts its pads but does not publish a height, so the Dreame's figure is the one you can check.
Which needs less hands-on maintenance?
The Dreame, with a 3.2L bagged dock rated for up to 100 days. The Qrevo Curv self-empty dock is rated for up to 60 days and is bagless.
Which has better navigation?
The Qrevo Curv uses LiDAR mapping with AI obstacle avoidance, which generally maps faster and handles cords and toys well. The Dreame uses 3D structured light avoidance.
Which has more review history?
The Dreame: 4.6 out of 5 from 552 ratings. The Qrevo Curv sits at 4.4 out of 5 from 160 ratings.

More comparisons

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  • Roborock Qrevo Curv vs Ecovacs Deebot X11 OmniCyclone
  • Tapo RV30 MAX Plus vs Dreame L40 Ultra Gen 2 Robot Vacuum
  • Tapo RV30 MAX Plus vs Roborock Qrevo Curv

Buying guides that pick them

  • Best robot vacuums
  • Best-value household appliances
  • Best robot vacuums with mop
200-minute runtime from a 5,200 mAh battery
  • 4.6 out of 5 from 552 ratings
  • Cons
    • Costs $749.99, about $280 more than the Qrevo Curv
    • Bagged dock means buying replacement bags
    • Only one store prices it new as of November 3, 2026
    • No Alexa support listed
    Roborock
    Roborock Qrevo Curv

    Roborock Qrevo Curv

    4.4· 160 ratings
    $500.00at eBayVerified
    Visit store

    Choose the Roborock Qrevo Curv if you want a capable vacuum-and-mop for about $280 less and can live with 10,000 Pa suction and a 60-day self-empty dock.

    Pros
    • $469.99 at eBay, the lowest price in this comparison
    • LiDAR mapping plus AI obstacle avoidance handles cords and pet toys well
    • Dual rotating mop pads scrub with consistent pressure
    • Alexa voice control built in
    • 3 stores price it new, so more places to compare
    Cons
    • 10,000 Pa suction is well below the Dreame's 25,000 Pa
    • Self-empty dock lasts up to 60 days, not 100
    • Mop lift height is not published, so carpet protection is less certain
    • 4.4 out of 5 from 160 ratings, fewer reviews than the Dreame
    • Price swung from $469.99 to $649.99 within a week
    Voice assistant support
    App control
    Amazon Alexa
    All 4 stores and price history →
    Dust bag capacity
    3.2L
    —
    Auto-empty durationup to 100 days—
    Show all 23 specsShow fewer specs
    SpecDreame L40 Ultra Gen 2 Robot VacuumRoborock Qrevo Curv
    Battery capacity5,200 mAh—
    Runtime200 min—
    Suction levels5 levels—
    Main brushTriCut™ Brush 2.0—
    Obstacle avoidance3D structured light—
    Carpet modes4 modes—
    Cordless—Yes
    Color—White
    Assistant Support—Amazon Alexa
    Capacity—0.66 gal
    Weight—22 lb
  • Mapping is accurate and rarely repeats areas
  • Self-empty dock cuts down on daily fuss
  • Cons
    • Dock is bulky and needs clear space
    • Consumables like bags and pads add up
    • Occasional navigation snags around clutter
    Reviews
    • Best Robot Vacuums
    • Best Self-Emptying Robot Vacuums
    • Best Robot Mops - The reviews on this page have been selected by our editors, but have been optimized by our commerce team
    • Robot Vacuum Reviews From Our Experts - PCMag editors select and review products independently
    • Best Robot Vacuums - The reviews on this page have been selected by our editors, but have been optimized by our commerce team