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The Roborock S8 Pro Ultra wins with a score of 8.6/10.

Best mopping robot vacuum available. OZMO Roller earned the highest mopping score ever, ZeroTangle 3.0 is genuinely tangle-free, but battery life and navigation inconsistency hold it back from perfection.
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| Ecovacs Deebot X9 Pro Omni | Spec | Roborock S8 Pro Ultra |
|---|---|---|
| $700 | Price | $1099 |
| 16600 | Suction (Pa) | 6000 |
| 6400 | Battery (mAh) | 5200 |
| 68.0 | Noise (dB) | 66.0 |
| — | Dustbin (ml) | — |
| — | Water Tank (ml) | — |
| — | Mop Lift (mm) | — |
| — | Height (mm) | — |
| — | Weight (kg) | — |
| LiDAR + AIVI 3D | Navigation | LiDAR + 3D ToF Camera |
| ✅ | Self-Empty | ✅ |
| ✅ | Self-Wash Mop | ✅ |
| ✅ | Self-Dry Mop | ✅ |
| ✅ | AI Obstacle | ✅ |
The Roborock S8 Pro Ultra is the better choice with an overall score of 8.6/10. The Ecovacs Deebot X9 Pro Omni is more affordable at $700 vs $1099.