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- D9 Max vs S1 HydroJet
Dreame D9 Max vs eufy S1 HydroJet
What D9 Max does better (3) and where S1 HydroJet wins (4) — every spec side by side.
vs
5.0Cleaning power5.7
5.8Navigation7.6
5.9Battery7.9
Why is D9 Max better than S1 HydroJet?
- Dustbin (robot)570 ml vs 250 ml2.3×
- Cleaning area per charge250 m² vs 183 m²+37%
- Water tank (robot)270 ml vs 240 ml+12%
Why is S1 HydroJet better than D9 Max?
- Suction power4,000 Pa vs 8,000 Pa2×
- Obstacle avoidanceBasic sensors (infrared / bumper) vs AI camera
- Base stationCharging dock vs All-in-one dock (empty + wash)
- Runtime150 min vs 216 min+44%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 4,000 Pa | 8,000 Pa |
| Dustbin (robot) | 570 ml | 250 ml |
| Main brush | Single main brush | Single main brush |
| Side brushes | 1 | 2 |
| Carpet detection | Yes | Yes |
| HEPA filter | Yes | — |
| Noise level | 60 dB | 60 dB |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS), Cliff sensors | LiDAR laser (LDS), dToF laser, Cliff sensors |
| Obstacle avoidance | Basic sensors (infrared / bumper) | AI camera |
| Threshold climbing | 20 mm | 20 mm |
| No-go zones / virtual walls | Yes | Yes |
| Room mapping & room selection | Yes | Yes |
| Mopping | ||
| Mop type | — | Roller mop |
| Mop lifting on carpets | — | Yes |
| Mop lift height | — | 12 mm |
| Water tank (robot) | 270 ml | 240 ml |
| Base station | ||
| Base station | Charging dock | All-in-one dock (empty + wash) |
| Auto-empty dust station | — | Yes |
| Dust bag (dock) | — | 2.5 l |
| Mop washing in the dock | — | Yes |
| Hot-air mop drying | — | Yes |
| Automatic water refill | — | Yes |
| Clean water tank (dock) | — | 3 l |
| Dirty water tank (dock) | — | 2 l |
| Battery & runtime | ||
| Battery capacity | 5,200 mAh | 5,200 mAh |
| Runtime | 150 min | 216 min |
| Charging time | — | 240 min |
| Cleaning area per charge | 250 m² | 183 m² |
| Size & weight | ||
| Width / diameter | — | 347 mm |
| Length | — | 347 mm |
| Height | — | 96 mm |
| Weight | 3.8 kg | — |
| Shape | — | Round |
| Colours | White | Black |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | — | Amazon Alexa, Google Assistant |
