Roborock Saros 20 vs Xiaomi Robot Vacuum X20 Max
Technical comparison · Robot vacuums and mops
Xiaomi Robot Vacuum X20 Max is ahead on days between bag changes; beyond that the two models differ in navigation system and obstacle avoidance: design differences, not a ranking. On the category's technical index, Roborock Saros 20 ranks #2 of 30, Xiaomi Robot Vacuum X20 Max #17.
| Parameter |
Saros 20
Roborock
F4 · Semi-professional
|
Robot Vacuum X20 Max
Xiaomi
F3 · Advanced
|
|---|---|---|
| Identity | ||
| Launch year | 2026 | 2025 |
| Use tier | F4 — Semi-professional | F3 — Advanced |
| Price | ||
| Price | ~1000–2200 € | ~450–1000 € |
| Price updated on | 09/2026 | 09/2026 |
| Universal specs | ||
| Dimensions (W×D×H) | — | 35 × 35 × 9.7 cm |
| Weight | — | 3.9 kg |
| Voltage | 220 V | — |
| Category specs | ||
| Cleaning functions | Vacuums, Mops | Vacuums, Mops |
| Availability in Europe | On sale | On sale |
| Suction power | 36000 Pa | 8000 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 |
| Live video from the app | Yes | — |
| Runtime | — | 120 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 | — | 10 mm |
| Guaranteed years of updates | 2 anni | — |
| Extending mop for edges | Yes | Yes |
| Dock functions | Automatic emptying, Mop washing, Hot water washing, Mop drying, Warm air drying, Detergent dispenser | Automatic emptying, Mop washing, Hot water washing, Warm air drying |
| Wi-Fi bands | 2.4 GHz, 5 GHz | 2.4 GHz |
| App | Roborock | Xiaomi Home |
| Mop washing water temperature | 100 °C | 55 °C |
| Days between bag changes | 65 giorni | 75 giorni |
| Anti-tangle declared | Yes | Yes |
| Filter type | Washable | — |
| Carpet handling | Boosts suction, Lifts the mop, Avoids the carpet | Detects the carpet, Lifts the mop, Boosts suction |
| Matter | Built in | — |
| Built-in voice assistant | Commands recognised on board | — |
| Cliff sensors | Yes | Yes |
| Dock noise while emptying | — | 50 dB |
The differences that matter
- Days between bag changes: Roborock Saros 20 65 giorni vs Xiaomi Robot Vacuum X20 Max 75 giorni
- Navigation system: Roborock Saros 20 Solid-state LiDAR · Xiaomi Robot Vacuum X20 Max Rotating LiDAR
- Obstacle avoidance: Roborock Saros 20 3D time-of-flight sensor, Camera with AI recognition · Xiaomi Robot Vacuum X20 Max 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 Max Automatic emptying, Mop washing, Hot water washing, Warm air drying
- Wi-Fi bands: Roborock Saros 20 2.4 GHz, 5 GHz · Xiaomi Robot Vacuum X20 Max 2.4 GHz
In short
Roborock Saros 20
Design differences: navigation system: solid-state LiDAR.
Xiaomi Robot Vacuum X20 Max
Measurable advantages: days between bag changes.
This comparison points to the two product pages, where you'll find the complete data and the official links.