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  3. X50s Ultra vs RVF 7 Comfort

Dreame X50s Ultra vs Kärcher RVF 7 Comfort

What X50s Ultra does better (7) and where RVF 7 Comfort wins (3) — every spec side by side.

Dreame X50s Ultra
Dreame · 2026X50s Ultra
9.6Score
7 advantages≈ US$1,200
Higher score
vs
Kärcher RVF 7 Comfort
Kärcher · 2026RVF 7 Comfort
8.2Score
3 advantages≈ US$1,200
9.0Cleaning power6.1
9.2Navigation7.5
7.4Mopping9.6
8.7Base station7.8
9.8Battery6.2
Dimensions

Size comparison

X50s UltraRVF 7 Comfort
350 × 80350360 × 105360
X50s UltraRVF 7 ComfortDifference
Height80 mm105 mm−25 mm
Width / diameter350 mm360 mm−10 mm
Length350 mm360 mm−10 mm
Weight4.7 kg5.6 kg−0.9 kg

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

Why is X50s Ultra better than RVF 7 Comfort?

  1. Suction power35,000 Pa vs 13,000 Pa2.7×
  2. Threshold climbing88 mm vs 18 mm4.9×
  3. Charging time80 min vs 230 min2.9×
  4. Height80 mm vs 105 mm+31%
  5. Battery capacity6,400 mAh vs 5,200 mAh+23%
  6. Clean water tank (dock)4.2 l vs 3 l+40%
  7. Noise level55 dB vs 67 dB+22%

Why is RVF 7 Comfort better than X50s Ultra?

  1. Mop typeRotating mop pads vs Roller mop
  2. Dust bag (dock)3.2 l vs 4 l+25%
  3. Dustbin (robot)235 ml vs 250 ml+6%
Specifications

Side by side

Dreame X50s UltraDreame X50s Ultra≈ US$1,2009.6
Kärcher RVF 7 ComfortKärcher RVF 7 Comfort≈ US$1,2008.2
Suction & cleaning
Suction power35,000 Pa13,000 Pa
Dustbin (robot)235 ml250 ml
Main brushDual main brushesSingle main brush
Anti-tangle brushYesYes
Side brushes12
Extending side brushYes—
Carpet detectionYesYes
Dirt detectionYesYes
HEPA filterYes—
Noise level55 dB67 dB
Navigation & obstacles
NavigationLaser (LiDAR)Laser (LiDAR)
Navigation sensorsLiDAR laser (LDS), dToF laser, Retractable LiDAR, Wall sensor, Cliff sensorsLiDAR laser (LDS), Wall sensor, Cliff sensors
Retractable LiDARYes—
Obstacle avoidanceAI cameraAI camera
Threshold climbing88 mm18 mm
No-go zones / virtual wallsYes—
Room mapping & room selectionYesYes
Mopping
Mop typeRotating mop padsRoller mop
Mop lifting on carpetsYesYes
Mop lift height10.5 mm—
Automatic mop removalYes—
Extending mop (edges)Yes—
Water tank (robot)—130 ml
Base station
Base stationAll-in-one dock (empty + wash)All-in-one dock (empty + wash)
Auto-empty dust stationYesYes
Dust bag (dock)3.2 l4 l
Mop washing in the dockYesYes
Hot-water mop washingYesYes
Hot-air mop dryingYesYes
Automatic water refillYesYes
Plumbed water connectionYes—
Clean water tank (dock)4.2 l3 l
Dirty water tank (dock)3 l2.4 l
Battery & runtime
Battery capacity6,400 mAh5,200 mAh
Runtime—150 min
Charging time80 min230 min
Size & weight
Width / diameter350 mm360 mm
Length350 mm360 mm
Height80 mm105 mm
Weight4.7 kg5.6 kg
ShapeRoundRound
ColoursWhiteWhite, Black
App & smart home
App controlYesYes
Voice assistantsAmazon Alexa, Google Assistant, Apple Siri—
MatterYes—
Live camera view / video callYesYes
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