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- X40 Ultra vs Qrevo CurvX
Dreame X40 Ultra vs Roborock Qrevo CurvX
What X40 Ultra does better (1) and where Qrevo CurvX wins (5) — every spec side by side.
vs
6.3Cleaning power9.4
9.6Navigation8.8
7.4Mopping8.7
8.2Base station7.6
Dimensions
Size comparison
X40 UltraQrevo CurvX
| X40 Ultra | Qrevo CurvX | Difference | |
|---|---|---|---|
| Height | 97 mm | 80 mm | +17 mm |
| Width / diameter | 350 mm | 352 mm | −2 mm |
| Length | 350 mm | 352 mm | −2 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is X40 Ultra better than Qrevo CurvX?
- Obstacle avoidanceAI camera + 3D structured light vs AI camera
Why is Qrevo CurvX better than X40 Ultra?
- Suction power12,000 Pa vs 22,000 Pa+83%
- Threshold climbing22 mm vs 40 mm+82%
- Mop lift height10.5 mm vs 17 mm+62%
- Height97 mm vs 80 mm+21%
- Noise level76 dB vs 53 dB+43%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 12,000 Pa | 22,000 Pa |
| Dustbin (robot) | 380 ml | — |
| Main brush | Single main brush | Single main brush |
| Anti-tangle brush | — | Yes |
| Side brushes | 1 | 1 |
| Extending side brush | Yes | Yes |
| Carpet detection | Yes | Yes |
| Dirt detection | Yes | — |
| Noise level | 76 dB | 53 dB |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS), Wall sensor, Cliff sensors | LiDAR laser (LDS), Retractable LiDAR, Wall sensor, Cliff sensors |
| Retractable LiDAR | — | Yes |
| Obstacle avoidance | AI camera + 3D structured light | AI camera |
| Threshold climbing | 22 mm | 40 mm |
| No-go zones / virtual walls | Yes | Yes |
| Room mapping & room selection | Yes | Yes |
| Mopping | ||
| Mop type | Rotating mop pads | Rotating mop pads |
| Mop lifting on carpets | Yes | Yes |
| Mop lift height | 10.5 mm | 17 mm |
| Extending mop (edges) | Yes | Yes |
| Base station | ||
| Base station | All-in-one dock (empty + wash) | All-in-one dock (empty + wash) |
| Auto-empty dust station | Yes | Yes |
| Dust bag (dock) | 3.2 l | — |
| Mop washing in the dock | Yes | Yes |
| Hot-water mop washing | Yes | Yes |
| Hot-air mop drying | Yes | Yes |
| Automatic water refill | Yes | Yes |
| Plumbed water connection | Yes | — |
| Clean water tank (dock) | 4.5 l | — |
| Dirty water tank (dock) | 4 l | — |
| Battery & runtime | ||
| Battery capacity | 6,400 mAh | 6,400 mAh |
| Runtime | 260 min | — |
| Charging time | 270 min | — |
| Size & weight | ||
| Width / diameter | 350 mm | 352 mm |
| Length | 350 mm | 352 mm |
| Height | 97 mm | 80 mm |
| Weight | 4.2 kg | — |
| Shape | Round | Round |
| Colours | White | White |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant | Amazon Alexa, Google Assistant, Apple Siri |
| Live camera view / video call | — | Yes |
