iRobot Roomba Plus 515 Combo + AutoWash Dock vs Roborock Saros 20
Technical comparison · Robot vacuums and mops
iRobot Roomba Plus 515 Combo + AutoWash Dock and Roborock Saros 20 differ in navigation system and obstacle avoidance; on the measurable specs neither model is ahead: the differences are of design, not of level. On the category's technical index, Roborock Saros 20 ranks #2 of 30, iRobot Roomba Plus 515 Combo + AutoWash Dock #8.
| Parameter |
Roomba Plus 515 Combo + AutoWash Dock
iRobot
F3 · Advanced
|
Saros 20
Roborock
F4 · Semi-professional
|
|---|---|---|
| Identity | ||
| Launch year | 2025 | 2026 |
| Use tier | F3 — Advanced | F4 — Semi-professional |
| Price | ||
| Price | ~450–1000 € | ~1000–2200 € |
| Price updated on | 09/2026 | 09/2026 |
| Universal specs | ||
| Dimensions (W×D×H) | 29.8 × 30.3 × 8.35 cm | — |
| Weight | 2.9 kg | — |
| Voltage | — | 220 V |
| Category specs | ||
| Cleaning functions | Vacuums, Mops | Vacuums, Mops |
| Availability in Europe | On sale | On sale |
| Suction power | 22000 Pa | 36000 Pa |
| Navigation system | Rotating LiDAR | Solid-state LiDAR |
| Release year | 2025 | 2026 |
| Onboard camera | No | Yes |
| Obstacle avoidance | Contact bumper only | 3D time-of-flight sensor, Camera with AI recognition |
| Onboard microphone | No | Yes |
| Where object recognition runs | No object recognition | On the device |
| Robot height | — | 79.8 mm |
| Declared data server region | Multiple regions | European Union |
| Maximum threshold height | — | 45 mm |
| Battery capacity | — | 6400 mAh |
| Live video from the app | — | Yes |
| Runtime | 295 min | — |
| Charging time | — | 150 min |
| Camera privacy controls | — | Remote video off until enabled, Confirmation on the robot, Password in the app |
| 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 | Automatic emptying, Mop washing, Hot water washing, Mop drying, Warm air drying, Detergent dispenser |
| Wi-Fi bands | — | 2.4 GHz, 5 GHz |
| App | — | Roborock |
| Mop washing water temperature | 75 °C | 100 °C |
| Days between bag changes | — | 65 giorni |
| Dock width | 340 mm | — |
| Dock depth | 330 mm | — |
| Dock height | 485 mm | — |
| Anti-tangle declared | — | Yes |
| Filter type | Standard | Washable |
| Carpet handling | Detects the carpet, Lifts the mop | Boosts suction, Lifts the mop, Avoids the carpet |
| Matter | — | Built in |
| Built-in voice assistant | — | Commands recognised on board |
| Cliff sensors | — | Yes |
| Saved maps (floors) | 3 | — |
The differences that matter
- Navigation system: iRobot Roomba Plus 515 Combo + AutoWash Dock Rotating LiDAR · Roborock Saros 20 Solid-state LiDAR
- Obstacle avoidance: iRobot Roomba Plus 515 Combo + AutoWash Dock Contact bumper only · Roborock Saros 20 3D time-of-flight sensor, Camera with AI recognition
- Where object recognition runs: iRobot Roomba Plus 515 Combo + AutoWash Dock No object recognition · Roborock Saros 20 On the device
- Declared data server region: iRobot Roomba Plus 515 Combo + AutoWash Dock Multiple regions · Roborock Saros 20 European Union
- Dock functions: iRobot Roomba Plus 515 Combo + AutoWash Dock Automatic emptying, Mop washing, Hot water washing, Mop drying, Warm air drying · Roborock Saros 20 Automatic emptying, Mop washing, Hot water washing, Mop drying, Warm air drying, Detergent dispenser
In short
iRobot Roomba Plus 515 Combo + AutoWash Dock
Design differences: navigation system: rotating LiDAR; where object recognition runs: no object recognition; declared data server region: multiple regions.
Roborock Saros 20
Design differences: navigation system: solid-state LiDAR; where object recognition runs: on the device; declared data server region: european Union.
This comparison points to the two product pages, where you'll find the complete data and the official links.