Robot Vacuum Comparison · UK 2026
Dreame L10s Ultra Gen 2 vs Roborock QV 35S

Specs, pros and cons compared side by side

Both the Dreame L10s Ultra Gen 2 and the Roborock QV 35S are robot vacuums with self-cleaning base stations. This head-to-head sets them side by side using the specs, pros and cons from our full reviews. Dreame specs come from Dreame’s own UK pages and manuals; Roborock specs for the QV 35S come from Roborock’s UK page and CE manual.

Quick verdict

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Dreame L10s Ultra Gen 2

Pick it for: Automatic detergent dosing (on the QV 35S, you add solution to the clean water tank)

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Roborock QV 35S

Pick it for: Same 10,000Pa and 2 cm threshold limit as the L10s Ultra Gen 2, if you can add cleaning solution by hand

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Quick comparison

Spec Dreame L10s Ultra Gen 2 Roborock QV 35S
Suction 10,000Pa 10,000Pa
Navigation Smart Pathfinder LDS + 3D line laser (3DAdapt) LiDAR + structured light
Mopping Two rotating mops, RoboSwing (4 cm gaps), 10.5 mm lift Dual spinning pads, 200 RPM, auto lift
Dock Empty (3.2L bag, 60 days), wash, dry, refill, detergent Empty, wash, cold-air dry, refill
Runtime Not stated Not stated
Smart home Alexa, Siri, Google Alexa, Siri Shortcuts, Google
Dreame L10s Ultra Gen 2

Pros

  • Station refills the robot and doses detergent
  • Mop reaches gaps up to 4 cm deep at the edges
  • 32 water levels for mopping
  • Works with Alexa, Google Home and Siri

Cons

  • Dreame doesn’t give the battery size or runtime
  • Dreame doesn’t list hot-water mop washing
  • Its manual says it can’t climb thresholds higher than about 2 cm
Roborock QV 35S

Pros

  • Dock empties, washes and dries the mops and refills the robot
  • Empties more often when it picks up a lot of hair
  • Maps up to 4 floors
  • Off-peak charging

Cons

  • Roborock does not list a hot-water mop wash
  • Climbs thresholds up to 2 cm only
  • Roborock does not publish the runtime or tank sizes

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Which should you buy?

Why choose the Dreame L10s Ultra Gen 2

  • Automatic detergent dosing (on the QV 35S, you add solution to the clean water tank)
Why choose the Roborock QV 35S

  • Same 10,000Pa and 2 cm threshold limit as the L10s Ultra Gen 2, if you can add cleaning solution by hand

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