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- Romo S vs S1 HydroJet
DJI Romo S vs eufy S1 HydroJet
What Romo S does better (5) and where S1 HydroJet wins (7) — every spec side by side.
vs
8.8Cleaning power5.7
8.2Navigation7.6
7.6Mopping9.6
6.3Base station5.0
6.5Battery7.9
Dimensions
Size comparison
Romo SS1 HydroJet
| Romo S | S1 HydroJet | Difference | |
|---|---|---|---|
| Height | 98 mm | 96 mm | +2 mm |
| Width / diameter | 351 mm | 347 mm | +4 mm |
| Length | 351 mm | 347 mm | +4 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is Romo S better than S1 HydroJet?
- Suction power25,000 Pa vs 8,000 Pa3.1×
- Charging time150 min vs 240 min+60%
- Clean water tank (dock)4 l vs 3 l+33%
- Noise level56 dB vs 60 dB+7%
- Dustbin (robot)260 ml vs 250 ml+4%
Why is S1 HydroJet better than Romo S?
- Mop typeRotating mop pads vs Roller mop
- Runtime180 min vs 216 min+20%
- Battery capacity5,000 mAh vs 5,200 mAh+4%
- Height98 mm vs 96 mm+2%
- Water tank (robot)164 ml vs 240 ml+46%
- Dust bag (dock)2.4 l vs 2.5 l+4%
- Cleaning area per charge178 m² vs 183 m²+3%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 25,000 Pa | 8,000 Pa |
| Dustbin (robot) | 260 ml | 250 ml |
| Main brush | Dual main brushes | Single main brush |
| Anti-tangle brush | Yes | — |
| Side brushes | 2 | 2 |
| Extending side brush | Yes | — |
| Carpet detection | Yes | Yes |
| Noise level | 56 dB | 60 dB |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS), Cliff sensors, Ultrasonic sensor | LiDAR laser (LDS), dToF laser, Cliff sensors |
| Obstacle avoidance | AI camera | AI camera |
| Threshold climbing | — | 20 mm |
| No-go zones / virtual walls | Yes | Yes |
| Room mapping & room selection | Yes | Yes |
| Mopping | ||
| Mop type | Rotating mop pads | Roller mop |
| Mop lifting on carpets | Yes | Yes |
| Mop lift height | — | 12 mm |
| Extending mop (edges) | Yes | — |
| Water tank (robot) | 164 ml | 240 ml |
| Base station | ||
| Base station | All-in-one dock (empty + wash) | All-in-one dock (empty + wash) |
| Auto-empty dust station | Yes | Yes |
| Dust bag (dock) | 2.4 l | 2.5 l |
| Mop washing in the dock | Yes | Yes |
| Hot-water mop washing | Yes | — |
| Hot-air mop drying | — | Yes |
| Automatic water refill | Yes | Yes |
| Clean water tank (dock) | 4 l | 3 l |
| Dirty water tank (dock) | 3.2 l | 2 l |
| Battery & runtime | ||
| Battery capacity | 5,000 mAh | 5,200 mAh |
| Runtime | 180 min | 216 min |
| Charging time | 150 min | 240 min |
| Cleaning area per charge | 178 m² | 183 m² |
| Size & weight | ||
| Width / diameter | 351 mm | 347 mm |
| Length | 351 mm | 347 mm |
| Height | 98 mm | 96 mm |
| Weight | 4.4 kg | — |
| Shape | Round | Round |
| Colours | White | Black |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | — | Amazon Alexa, Google Assistant |
| Live camera view / video call | Yes | — |
