Robot Vacuums · Head to head

Dreame L40 Ultra Gen 2 vs Roborock Qrevo Pro

Full Robot Vacuums comparison in 2026

Updated October 2026
Data from the official Dreame and Roborock sites.
2026 verdict
Prioritizing suction power and smart home reach over sticker price, the Dreame L40 Ultra Gen 2 is the clear step up from the Roborock Qrevo Pro.
Dreame L40 Ultra Gen 2
Winner
Dreame L40 Ultra Gen 2
$569.98$749.9924% OFF
Buy on Amazon USA
Suction is rated more than three times higher, and its warranty runs three years against one. It also runs 231 minutes on a charge against the Qrevo Pro's 180, and its Apple Home, SmartThings and Home Assistant support, arriving by OTA update, reaches further than the Qrevo Pro's Home Assistant-only integration list. The Roborock Qrevo Pro answers with the lower price of the two and a larger onboard dustbin, and both wash, dry and lift their mop over carpet at the dock. For a buyer who wants the strongest cleaning and the broadest smart home future-proofing, the Dreame L40 Ultra Gen 2 is worth the extra spend; anyone who mainly wants edge-reaching FlexiArm mopping on a tighter budget still gets a capable robot in the Roborock Qrevo Pro.
Works with
Connectivity
  • Wi-Fi 2.4 GHz
vs
Works with
Connectivity
  • Wi-Fi 2.4 GHz
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The biggest differences

Where these two are furthest apart, and by how much.

  • Suction Power3.6×Dreame L40 Ultra Gen 225000Pa vs 7000Pa
  • Warranty3×Dreame L40 Ultra Gen 23 years vs 1 year
  • Onboard Dustbin Capacity+32%Roborock Qrevo Pro330ml vs 250ml
  • Battery Life+28%Dreame L40 Ultra Gen 2231 minutes vs 180 minutes
  • Water Tank Capacity+13%Dreame L40 Ultra Gen 24.5L vs 4L
FeatureDreame L40 Ultra Gen 2Roborock Qrevo ProWinner
Rating4.44.1Dreame L40 Ultra Gen 2
Warranty3 years1 yearDreame L40 Ultra Gen 2
Battery Life231 minutes180 minutesDreame L40 Ultra Gen 2
IntegrationsGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterGoogle Home, Alexa, Home AssistantDreame L40 Ultra Gen 2
Suction Power25000Pa7000PaDreame L40 Ultra Gen 2
Water Tank Capacity4.5L4LDreame L40 Ultra Gen 2
Onboard Dustbin Capacity250ml330mlRoborock Qrevo Pro
Auto RechargeYESYESTie
Connectivity2.4 GHz WiFi2.4 GHz WiFiTie
Navigation TypeLaser (LiDAR)Laser (LiDAR)Tie
Obstacle DetectionYESYESTie
Cliff DetectionYESYESTie

What the differences mean

Suction power

The Dreame L40 Ultra Gen 2 is rated at 25000Pa against 7000Pa for the Roborock Qrevo Pro, a gap real enough to matter on any carpet, not just a number.

Warranty

The Dreame L40 Ultra Gen 2 carries a 3 year warranty against 1 year for the Roborock Qrevo Pro, and owners of the Qrevo Pro report failures right around that line.

Battery life

The Dreame L40 Ultra Gen 2 runs 231 minutes per charge against 180 minutes for the Roborock Qrevo Pro.

Smart home reach

The Dreame L40 Ultra Gen 2 reaches Apple Home, SmartThings and Matter through an OTA update. The Roborock Qrevo Pro has none of the three, only Alexa, Google Home and Home Assistant.

Onboard dustbin

The Roborock Qrevo Pro's 330ml bin holds more than the Dreame L40 Ultra Gen 2's 250ml, a small edge for the cheaper machine.

Which one to buy if

What owners say

Owners of both robots like how little upkeep the dock demands, but for different reasons. Dreame L40 Ultra Gen 2 owners point to the strong suction and an extendable side brush that reaches corners, while flagging occasional hair tangling in the wheels and, for a few, mop pads that come loose mid-run. Roborock Qrevo Pro owners praise the FlexiArm mop for genuinely reaching baseboards other robots leave dirty and rate the app as one of the easiest to use, but the complaint that repeats most is a unit that fails just after its one-year warranty ends, with Roborock offering a paid repair rather than a replacement.

Frequently Asked Questions

Which is better overall: Dreame L40 Ultra Gen 2 or Roborock Qrevo Pro?

The Dreame L40 Ultra Gen 2, mainly for its far stronger suction, longer warranty and wider smart home reach. The Roborock Qrevo Pro wins on price and its FlexiArm edge mopping.

What is the biggest difference between the Dreame L40 Ultra Gen 2 and the Roborock Qrevo Pro?

Suction and warranty. The Dreame L40 Ultra Gen 2 rates more than three times higher on suction and carries a 3 year warranty against 1 year for the Roborock Qrevo Pro.

Does the Roborock Qrevo Pro support Matter?

No. It works with Alexa, Google Home and Home Assistant only. The Dreame L40 Ultra Gen 2 lists Matter, Apple Home and SmartThings as an upcoming OTA update.

Is the Roborock Qrevo Pro reliable long term?

Its own owners report a strong first year followed by faults, particularly LiDAR and brush errors, appearing shortly after the one-year warranty ends.

Who should buy the Dreame L40 Ultra Gen 2?

Buyers who want the strongest suction, the longest warranty and the widest smart home reach.

Who should buy the Roborock Qrevo Pro?

Buyers on a tighter budget who want FlexiArm edge mopping and don't need Apple Home or Matter.

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