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- SpinWave vs S9
Bissell SpinWave vs Viomi S9
What SpinWave does better (3) and where S9 wins (0) — every spec side by side.
Why is SpinWave better than S9?
- Water tank (robot)400 ml vs 250 ml+60%
- Charging time240 min vs 360 min+50%
- Dustbin (robot)400 ml vs 300 ml+33%
Why is S9 better than SpinWave?
S9 has no measurable advantages in this pair.
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 1,500 Pa | — |
| Dustbin (robot) | 400 ml | 300 ml |
| Main brush | Single main brush | — |
| Side brushes | 2 | — |
| Carpet detection | Yes | — |
| Noise level | 50 dB | — |
| Navigation & obstacles | ||
| Navigation | — | Laser (LiDAR) |
| Navigation sensors | Cliff sensors | LiDAR laser (LDS) |
| Obstacle avoidance | Basic sensors (infrared / bumper) | — |
| Room mapping & room selection | — | Yes |
| Mopping | ||
| Mop type | Rotating mop pads | — |
| Water tank (robot) | 400 ml | 250 ml |
| Base station | ||
| Base station | Charging dock | Charging dock |
| Battery & runtime | ||
| Runtime | 130 min | — |
| Charging time | 240 min | 360 min |
| Cleaning area per charge | 55 m² | — |
| Size & weight | ||
| Width / diameter | 327 mm | — |
| Length | 327 mm | — |
| Height | 85 mm | — |
| Weight | 3.4 kg | — |
| Shape | Round | Round |
| Colours | White | White |
| App & smart home | ||
| App control | Yes | Yes |
