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Dreame X40 Ultra vs Roborock Qrevo Curv
The Roborock Qrevo Curv wins with a score of 8.8/10.
Dreame X40 Ultra
8.4/10$900
Last-gen flagship with class-leading mopping, now half its launch price.
Read full reviewScore Comparison
Dreame X40 UltraRoborock Qrevo Curv
Overall
8.48.8
Hard Floor
9.2—
Carpet
8.5—
Mopping
9.4—
Navigation
8.6—
Noise
7.5—
Smart Features
8.3—
Maintenance
7.8—
Specifications
| Dreame X40 Ultra | Spec | Roborock Qrevo Curv |
|---|---|---|
| $900 | Price | $1100 |
| 12000 | Suction (Pa) | 18500 |
| 6400 | Battery (mAh) | — |
| 65.0 | Noise (dB) | — |
| — | Dustbin (ml) | — |
| — | Water Tank (ml) | — |
| — | Mop Lift (mm) | — |
| — | Height (mm) | — |
| — | Weight (kg) | — |
| LiDAR + 3D Structured Light | Navigation | LiDAR + 3D ToF |
| ✅ | Self-Empty | ✅ |
| ✅ | Self-Wash Mop | ✅ |
| ✅ | Self-Dry Mop | ✅ |
| ✅ | AI Obstacle | ✅ |
The Verdict
The Roborock Qrevo Curv is the better choice with an overall score of 8.8/10. The Dreame X40 Ultra is more affordable at $900 vs $1100.