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- Deebot T9+ vs S9
Ecovacs Deebot T9+ vs Viomi S9
What Deebot T9+ does better (2) and where S9 wins (2) — every spec side by side.
vs
5.8Navigation7.2
5.4Base station3.5
Why is Deebot T9+ better than S9?
- Base stationAuto-empty dock vs Charging dock
- Dustbin (robot)420 ml vs 300 ml+40%
Why is S9 better than Deebot T9+?
- Water tank (robot)180 ml vs 250 ml+39%
- Charging time390 min vs 360 min+8%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 3,000 Pa | — |
| Dustbin (robot) | 420 ml | 300 ml |
| Main brush | Single main brush | — |
| Side brushes | 2 | — |
| HEPA filter | Yes | — |
| Noise level | 67 dB | — |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS) | LiDAR laser (LDS) |
| Obstacle avoidance | Basic sensors (infrared / bumper) | — |
| Threshold climbing | 20 mm | — |
| No-go zones / virtual walls | Yes | — |
| Room mapping & room selection | Yes | Yes |
| Mopping | ||
| Water tank (robot) | 180 ml | 250 ml |
| Base station | ||
| Base station | Auto-empty dock | Charging dock |
| Auto-empty dust station | Yes | — |
| Dust bag (dock) | 2.5 l | — |
| Battery & runtime | ||
| Battery capacity | 5,200 mAh | — |
| Runtime | 175 min | — |
| Charging time | 390 min | 360 min |
| Cleaning area per charge | 175 m² | — |
| Recharge & resume | Yes | — |
| Size & weight | ||
| Width / diameter | 353 mm | — |
| Length | 353 mm | — |
| Height | 94 mm | — |
| Weight | 3.6 kg | — |
| Shape | Round | Round |
| Colours | White | White |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant | — |
| Remote control | Yes | — |
