Robot Vacuum Comparison · UK 2026
Roborock QV 35S vs Dreame D30 Ultra

Specs, pros and cons compared side by side

Both the Roborock QV 35S and the Dreame D30 Ultra 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. Roborock specs for the QV 35S come from Roborock’s UK page and CE manual; Dreame specs come from Dreame’s own UK pages and manuals.

Quick verdict

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Roborock QV 35S

Pick it for: Mops spin at up to 200 RPM (the D30 Ultra: 160 RPM) · Dock refills the robot’s water tank (no robot refill in the D30 Ultra manual)

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Dreame D30 Ultra

Pick it for: 25,000Pa suction (the QV 35S: 10,000Pa) · 50°C hot-air drying (the QV 35S: cold-air drying) · Works with Matter as well as Alexa, Google and Siri (the QV 35S: Alexa, Siri Shortcuts, Google)

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Quick comparison

Spec Roborock QV 35S Dreame D30 Ultra
Suction 10,000Pa 25,000Pa
Navigation LiDAR + structured light Dynamic laser + 3DAdapt
Mopping Dual spinning pads, 200 RPM, auto lift Two mops, 160 RPM, 6N, RoboSwing to 4 cm, 10.5 mm lift
Dock Empty, wash, cold-air dry, refill Empty (3.2L bag), wash, 50°C dry
Runtime Not stated Up to 230 min
Smart home Alexa, Siri Shortcuts, Google Alexa, Google, Siri, Matter
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
Dreame D30 Ultra

Pros

  • 50°C hot-air mop drying
  • Up to 230 minutes of runtime
  • Works with Alexa, Google, Siri and Matter
  • Mop extends 4 cm to the edge

Cons

  • No automatic detergent dispenser in the manual
  • Climbs thresholds up to 20 mm only
  • The TriCut brush is sold separately

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Which should you buy?

Why choose the Roborock QV 35S

  • Mops spin at up to 200 RPM (the D30 Ultra: 160 RPM)
  • Dock refills the robot’s water tank (no robot refill in the D30 Ultra manual)
Why choose the Dreame D30 Ultra

  • 25,000Pa suction (the QV 35S: 10,000Pa)
  • 50°C hot-air drying (the QV 35S: cold-air drying)
  • Works with Matter as well as Alexa, Google and Siri (the QV 35S: Alexa, Siri Shortcuts, Google)

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