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These two robot vacuums are evenly matched with the same overall score.

The Dreame L40 Ultra delivers near-flagship cleaning performance and the longest battery efficiency we've measured at a mid-range price.
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Last-gen flagship with class-leading mopping, now half its launch price.
Read full review| Dreame L40 Ultra | Spec | Dreame X40 Ultra |
|---|---|---|
| $599 | Price | $900 |
| 11000 | Suction (Pa) | 12000 |
| 5200 | Battery (mAh) | 6400 |
| 65.0 | Noise (dB) | 65.0 |
| — | Dustbin (ml) | — |
| — | Water Tank (ml) | — |
| 10.5 | Mop Lift (mm) | — |
| — | Height (mm) | — |
| — | Weight (kg) | — |
| LiDAR + 3D Structured Light | Navigation | LiDAR + 3D Structured Light |
| ✅ | Self-Empty | ✅ |
| ✅ | Self-Wash Mop | ✅ |
| ✅ | Self-Dry Mop | ✅ |
| ✅ | AI Obstacle | ✅ |
Both vacuums scored equally. Your choice depends on your specific needs and budget.