Dreame X50 Ultra Complete vs Roborock Saros 20

Technical comparison · Robot vacuums and mops

In brief

Roborock Saros 20 holds the category award «Most capable». Dreame X50 Ultra Complete and Roborock Saros 20 sit in the same category (robot vacuums and mops). Dreame X50 Ultra Complete is ahead on: days between bag changes. Roborock Saros 20 is ahead on: robot height. On the category's technical index, Roborock Saros 20 ranks #1 of 11, Dreame X50 Ultra Complete #3.

Parameter
Dreame X50 Ultra Complete X50 Ultra Complete Dreame F4 · Semi-professional
Roborock Saros 20 Saros 20 Roborock F4 · Semi-professional
Awards —
Identity
Launch year 2025 2026
Use tier F4 — Semi-professional F4 — Semi-professional
Price
Price ~450–1000 € ~1000–2200 €
Price updated on 09/2026 09/2026
Universal specs
Dimensions (W×D×H) 35 × 35 × 8.9 cm —
Weight 4.53 kg —
Voltage — 220 V
Category specs
Cleaning functions Vacuums, Mops Vacuums, Mops
Availability in Europe On sale On sale
Suction power 20000 Pa 36000 Pa
Navigation system Rotating LiDAR Solid-state LiDAR
Release year 2025 2026
Onboard camera Yes Yes
Obstacle avoidance Structured light, Camera with AI recognition 3D time-of-flight sensor, Camera with AI recognition
Onboard microphone Yes Yes
Where object recognition runs — On the device
Robot height 89 mm 79.8 mm
Declared data server region European Union European Union
Robot diameter 350 mm —
Maximum threshold height 42 mm 45 mm
Battery capacity 6400 mAh 6400 mAh
Live video from the app Yes Yes
Runtime 220 min —
Charging time 270 min 150 min
Camera privacy controls Indicator light while streaming Remote video off until enabled, Confirmation on the robot, Password in the app
Dustbin capacity 395 ml —
Two-way audio Yes —
Microphone can be disabled — Yes
Mopping system — Rotating discs
Mop lifting height 10.5 mm —
Guaranteed years of updates — 2 anni
Extending mop for edges Yes Yes
Repairability index (France) 8.1 /10 —
Dock functions Automatic emptying, Mop washing, Hot water washing, Mop drying, Warm air drying, Detergent dispenser, UV sterilisation Automatic emptying, Mop washing, Hot water washing, Mop drying, Warm air drying, Detergent dispenser
Wi-Fi bands 2.4 GHz 2.4 GHz, 5 GHz
App Dreamehome Roborock
Mop washing water temperature 80 °C 100 °C
Dust bag capacity 3.2 l —
Days between bag changes 100 giorni 65 giorni
Main brush type Dual rubber rollers —
Anti-tangle declared Yes Yes
Filter type Washable Washable
Carpet handling Detects the carpet, Lifts the mop, Boosts suction, Leaves the mops at the dock Boosts suction, Lifts the mop, Avoids the carpet
Matter Announced, not yet released Built in
Built-in voice assistant — Commands recognised on board
Cliff sensors Yes Yes
User-replaceable battery No —

CobotCompare Awards

Dreame X50 Ultra Complete

Best value Semi-professional

Best ratio of technical score to price among the 9 sheets in the Robot vacuums and mops category (semi-professional tier): technical score 65/100. The price used is the sheet's estimated range.

How we assign awards →
Roborock Saros 20

No awards in this tier.

The differences that matter

  • Days between bag changes: Dreame X50 Ultra Complete 100 giorni vs Roborock Saros 20 65 giorni
  • Robot height: Dreame X50 Ultra Complete 89 mm vs Roborock Saros 20 79.8 mm
  • Maximum threshold height: Dreame X50 Ultra Complete 42 mm vs Roborock Saros 20 45 mm
  • Navigation system: Dreame X50 Ultra Complete Rotating LiDAR · Roborock Saros 20 Solid-state LiDAR
  • Obstacle avoidance: Dreame X50 Ultra Complete Structured light, Camera with AI recognition · Roborock Saros 20 3D time-of-flight sensor, Camera with AI recognition

In short

Dreame X50 Ultra Complete

Measurable advantages: days between bag changes.

See the Dreame X50 Ultra Complete sheet →

Roborock Saros 20

Measurable advantages: robot height and maximum threshold height. Category award: «Most capable».

See the Roborock Saros 20 sheet →

This comparison points to the two product pages, where you'll find the complete data and the official links.