Roborock Saros 20 vs Xiaomi Robot Vacuum X20+

Technical comparison · Robot vacuums and mops

In brief

Roborock Saros 20 and Xiaomi Robot Vacuum X20+ are not direct competitors: far-apart price bands. Xiaomi Robot Vacuum X20+ is the entry model, Roborock Saros 20 the higher-class one: the comparison shows what changes moving up a class, not which of the two is better.

Parameter
Roborock Saros 20 Saros 20 Roborock F4 · Semi-professional
Identity
Launch year 2026 2025
Use tier F4 — Semi-professional F3 — Advanced
Price
Price ~1000–2200 € ~200–450 €
Price updated on 09/2026 09/2026
Universal specs
Dimensions (W×D×H) — 35 × 35 × 9.7 cm
Weight — 3.67 kg
Voltage 220 V —
Category specs
Cleaning functions Vacuums, Mops Vacuums, Mops
Availability in Europe On sale On sale
Suction power 36000 Pa 6000 Pa
Navigation system Solid-state LiDAR Rotating LiDAR
Release year 2026 2025
Onboard camera Yes —
Obstacle avoidance 3D time-of-flight sensor, Camera with AI recognition Structured light
Onboard microphone Yes —
Where object recognition runs On the device —
Robot height 79.8 mm —
Declared data server region European Union —
Maximum threshold height 45 mm —
Battery capacity 6400 mAh 5200 mAh
Works offline — Yes
Live video from the app Yes —
Runtime — 140 min
Charging time 150 min —
Camera privacy controls Remote video off until enabled, Confirmation on the robot, Password in the app —
Water tank capacity — 4000 ml
Microphone can be disabled Yes —
Mopping system Rotating discs Rotating discs
Mop lifting height — 7 mm
Guaranteed years of updates 2 anni —
Extending mop for edges Yes —
Dock functions Automatic emptying, Mop washing, Hot water washing, Mop drying, Warm air drying, Detergent dispenser Automatic emptying, Mop washing, Mop drying
Wi-Fi bands 2.4 GHz, 5 GHz 2.4 GHz
App Roborock Xiaomi Home
Mop washing water temperature 100 °C —
Days between bag changes 65 giorni 75 giorni
Anti-tangle declared Yes —
Filter type Washable —
Carpet handling Boosts suction, Lifts the mop, Avoids the carpet Detects the carpet, Lifts the mop
Matter Built in —
Built-in voice assistant Commands recognised on board —
Cliff sensors Yes —

The differences that matter

  • Days between bag changes: Roborock Saros 20 65 giorni vs Xiaomi Robot Vacuum X20+ 75 giorni
  • Navigation system: Roborock Saros 20 Solid-state LiDAR · Xiaomi Robot Vacuum X20+ Rotating LiDAR
  • Obstacle avoidance: Roborock Saros 20 3D time-of-flight sensor, Camera with AI recognition · Xiaomi Robot Vacuum X20+ Structured light
  • Dock functions: Roborock Saros 20 Automatic emptying, Mop washing, Hot water washing, Mop drying, Warm air drying, Detergent dispenser · Xiaomi Robot Vacuum X20+ Automatic emptying, Mop washing, Mop drying
  • Wi-Fi bands: Roborock Saros 20 2.4 GHz, 5 GHz · Xiaomi Robot Vacuum X20+ 2.4 GHz

In short

Roborock Saros 20

Design differences: navigation system: solid-state LiDAR.

See the Roborock Saros 20 sheet →

Xiaomi Robot Vacuum X20+

Measurable advantages: days between bag changes.

See the Xiaomi Robot Vacuum X20+ sheet →

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