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The Dreame L40 Ultra wins with a score of 8.4/10. Best for: Pet households with mostly hard floors and large open spaces.

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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Read full review| Dreame L40 Ultra | Spec | Dyson Spot+Scrub AI |
|---|---|---|
| $599 | Price | $1600 |
| 11000 | Suction (Pa) | 18000 |
| 5200 | Battery (mAh) | 4900 |
| 65.0 | Noise (dB) | 72.0 |
| — | Dustbin (ml) | 300 |
| — | Water Tank (ml) | 150 |
| 10.5 | Mop Lift (mm) | 10.4 |
| — | Height (mm) | 99.0 |
| — | Weight (kg) | 4.0 |
| LiDAR + 3D Structured Light | Navigation | Visual SLAM + AI Camera |
| ✅ | Self-Empty | ✅ |
| ✅ | Self-Wash Mop | ✅ |
| ✅ | Self-Dry Mop | ✅ |
| ✅ | AI Obstacle | ✅ |
The Dreame L40 Ultra is the better choice with an overall score of 8.4/10 — best for pet households with mostly hard floors and large open spaces. The Dreame L40 Ultra is more affordable at $599 vs $1600.