eufy HydroJet S2 vs Roborock Saros 20
Technical comparison · Robot vacuums and mops
eufy HydroJet S2 is ahead on days between bag changes; beyond that the two models differ in declared data server region and mopping system: design differences, not a ranking. On the category's technical index, Roborock Saros 20 ranks #2 of 30, eufy HydroJet S2 #30.
| Parameter |
HydroJet S2
eufy
F4 · Semi-professional
|
Saros 20
Roborock
F4 · Semi-professional
|
|---|---|---|
| Identity | ||
| Launch year | 2025 | 2026 |
| Use tier | F4 — Semi-professional | F4 — Semi-professional |
| Price | ||
| Price | ~1000–2200 € | ~1000–2200 € |
| Price updated on | 09/2026 | 09/2026 |
| Universal specs | ||
| Dimensions (W×D×H) | – × – × 9.8 cm | — |
| Weight | 5.2 kg | — |
| Voltage | — | 220 V |
| Category specs | ||
| Cleaning functions | Vacuums, Mops | Vacuums, Mops |
| Availability in Europe | On sale | On sale |
| Suction power | 30000 Pa | 36000 Pa |
| Navigation system | — | Solid-state LiDAR |
| Release year | 2025 | 2026 |
| Onboard camera | Yes | Yes |
| Obstacle avoidance | 3D time-of-flight sensor, Camera with AI recognition | 3D time-of-flight sensor, Camera with AI recognition |
| Onboard microphone | No | Yes |
| Where object recognition runs | — | On the device |
| Robot height | — | 79.8 mm |
| Declared data server region | Multiple regions | European Union |
| Maximum threshold height | — | 45 mm |
| Battery capacity | 4600 mAh | 6400 mAh |
| Live video from the app | — | Yes |
| Charging time | 240 min | 150 min |
| Camera privacy controls | — | Remote video off until enabled, Confirmation on the robot, Password in the app |
| Water tank capacity | 120 ml | — |
| Microphone can be disabled | — | Yes |
| Mopping system | Roller with continuous rinsing | Rotating discs |
| Guaranteed years of updates | — | 2 anni |
| Extending mop for edges | Yes | Yes |
| Dock functions | Automatic emptying, Mop washing, Hot water washing, Warm air drying, Detergent dispenser | 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 | eufy | Roborock |
| Mop washing water temperature | 60 °C | 100 °C |
| Days between bag changes | 68 giorni | 65 giorni |
| Anti-tangle declared | Yes | Yes |
| Filter type | — | Washable |
| Carpet handling | — | Boosts suction, Lifts the mop, Avoids the carpet |
| Matter | Built in | Built in |
| Built-in voice assistant | — | Commands recognised on board |
| Cliff sensors | Yes | Yes |
The differences that matter
- Days between bag changes: eufy HydroJet S2 68 giorni vs Roborock Saros 20 65 giorni
- Declared data server region: eufy HydroJet S2 Multiple regions · Roborock Saros 20 European Union
- Mopping system: eufy HydroJet S2 Roller with continuous rinsing · Roborock Saros 20 Rotating discs
- Dock functions: eufy HydroJet S2 Automatic emptying, Mop washing, Hot water washing, Warm air drying, Detergent dispenser · Roborock Saros 20 Automatic emptying, Mop washing, Hot water washing, Mop drying, Warm air drying, Detergent dispenser
- Wi-Fi bands: eufy HydroJet S2 2.4 GHz · Roborock Saros 20 2.4 GHz, 5 GHz
In short
Roborock Saros 20
Design differences: declared data server region: european Union; mopping system: rotating discs.
This comparison points to the two product pages, where you'll find the complete data and the official links.