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  3. Qrevo S ProX vs RoboStar iQ900 Ultra

Roborock Qrevo S ProX vs TESLA RoboStar iQ900 Ultra

What Qrevo S ProX does better (7) and where RoboStar iQ900 Ultra wins (3) — every spec side by side.

Roborock Qrevo S ProX
Roborock · 2026Qrevo S ProX
8.1Score
7 advantages≈ US$430
Higher score
vs
TESLA RoboStar iQ900 Ultra
7.4Score
3 advantages≈ US$380
8.7Cleaning power6.2
7.4Navigation5.8
6.5Mopping8.6
6.0Base station3.9
7.5Battery6.0
Dimensions

Size comparison

Qrevo S ProXRoboStar iQ900 Ultra
353 × 96353320 × 96320
Qrevo S ProXRoboStar iQ900 UltraDifference
Height96 mm96 mm=
Width / diameter353 mm320 mm+33 mm
Length353 mm320 mm+33 mm
Weight4 kg3.1 kg+0.9 kg

Drawn to the same scale from the official dimensions (front and side).

Why is Qrevo S ProX better than RoboStar iQ900 Ultra?

  1. Obstacle avoidance3D structured light / line laser vs Basic sensors (infrared / bumper)
  2. Suction power18,500 Pa vs 10,000 Pa+85%
  3. Base stationAll-in-one dock (empty + wash) vs Auto-empty dock
  4. Runtime180 min vs 168 min+7%
  5. Dustbin (robot)330 ml vs 280 ml+18%
  6. Charging time240 min vs 270 min+12%
  7. Noise level60 dB vs 64 dB+7%

Why is RoboStar iQ900 Ultra better than Qrevo S ProX?

  1. Mop lift height10 mm vs 15 mm+50%
  2. Clean water tank (dock)4 l vs 4.6 l+15%
  3. Dust bag (dock)2.7 l vs 3 l+11%
Specifications

Side by side

Suction & cleaning
Suction power18,500 Pa10,000 Pa
Dustbin (robot)330 ml280 ml
Main brushSingle main brushSingle main brush
Anti-tangle brushYes—
Side brushes11
Carpet detectionYesYes
HEPA filter—Yes
Noise level60 dB64 dB
Navigation & obstacles
NavigationLaser (LiDAR)Laser (LiDAR)
Navigation sensorsLiDAR laser (LDS), Wall sensor, Cliff sensorsLiDAR laser (LDS), Cliff sensors
Obstacle avoidance3D structured light / line laserBasic sensors (infrared / bumper)
Threshold climbing20 mm20 mm
No-go zones / virtual wallsYesYes
Room mapping & room selectionYesYes
Mopping
Mop typeRotating mop padsRotating mop pads
Mop lifting on carpetsYesYes
Mop lift height10 mm15 mm
Extending mop (edges)—Yes
Water tank (robot)80 ml—
Base station
Base stationAll-in-one dock (empty + wash)Auto-empty dock
Auto-empty dust stationYesYes
Dust bag (dock)2.7 l3 l
Mop washing in the dockYes—
Hot-water mop washingYes—
Hot-air mop dryingYes—
Automatic water refillYesYes
Clean water tank (dock)4 l4.6 l
Dirty water tank (dock)3.5 l4.6 l
Battery & runtime
Battery capacity5,200 mAh5,200 mAh
Runtime180 min168 min
Charging time240 min270 min
Cleaning area per charge300 m²—
Size & weight
Width / diameter353 mm320 mm
Length353 mm320 mm
Height96 mm96 mm
Weight4 kg3.1 kg
ShapeRoundRound
ColoursBlackWhite
App & smart home
App controlYesYes
Voice assistantsAmazon Alexa, Google Assistant, Apple Siri—
MatterYes—
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