Robot Vacuums · Head to head

Dreame L40 Ultra Gen 2 vs Roborock Qrevo S5V

Full Robot Vacuums comparison in 2026

Updated September 2026
Data from Amazon and official Dreame and Roborock sites.
2026 verdict
25000Pa and a 3-year warranty rewrite the mid-dock fight: the Dreame L40 Ultra Gen 2 wins this robot vacuum matchup against the Roborock Qrevo S5V, adding a 231-minute battery and a 3.2L bag versus 180 minutes and 2.7L. The S5V keeps a larger 325ml onboard bin versus 250ml, which is the one hardware consolation. Both map with LiDAR and wash and dry mops after self-emptying combo runs. Take the Dreame L40 Ultra Gen 2 for pickup and coverage terms; take the Roborock Qrevo S5V if the lower price and the bigger onboard bin are the practical win.
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FeatureDreame L40 Ultra Gen 2Roborock Qrevo S5VWinner
Rating4.34.2Dreame 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 Power25000Pa12000PaDreame L40 Ultra Gen 2
Onboard Dustbin Capacity250ml325mlRoborock Qrevo S5V
Dock Dustbin Capacity3.2L2.7LDreame L40 Ultra Gen 2
Price$499.99$499.99Tie
Auto RechargeYESYESTie
Connectivity2.4 GHz WiFi2.4 GHz WiFiTie
Navigation TypeLaser (LiDAR)Laser (LiDAR)Tie
Obstacle DetectionYESYESTie

Frequently Asked Questions

Which is better overall: the Dreame L40 Ultra Gen 2 or the Roborock Qrevo S5V?

The Dreame L40 Ultra Gen 2 is the better overall robot vacuum, winning on warranty, battery life, suction, and a 3.2L dock bag. The Roborock Qrevo S5V wins on a larger 325ml onboard bin.

What is the biggest difference between the L40 Ultra Gen 2 and the Qrevo S5V?

Suction and warranty. The Dreame L40 Ultra Gen 2 is rated at 25000Pa with a 3-year warranty. The Roborock Qrevo S5V is rated at 12000Pa with a 1-year warranty and a 180-minute pack.

Does the L40 Ultra Gen 2 support Matter?

Matter, Apple Home, SmartThings, and Home Assistant are listed as upcoming OTA updates. The Roborock Qrevo S5V already lists Home Assistant, Alexa, and Google Home.

Who should buy the Dreame L40 Ultra Gen 2?

Pet homes that want 25000Pa suction, a 3-year warranty, an extendable side brush, and a 3.2L hot-wash dock.

Who should buy the Roborock Qrevo S5V?

Buyers who want a cheaper 12000Pa Qrevo dock with a 325ml onboard bin and Home Assistant working today.

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