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- L40 Ultra CE vs Qrevo 2 Pro
Dreame L40 Ultra CE vs Roborock Qrevo 2 Pro
What L40 Ultra CE does better (5) and where Qrevo 2 Pro wins (5) — every spec side by side.
vs
6.4Cleaning power8.6
7.8Navigation7.5
8.1Mopping8.2
9.4Base station7.2
7.4Battery8.6
Dimensions
Size comparison
L40 Ultra CEQrevo 2 Pro
| L40 Ultra CE | Qrevo 2 Pro | Difference | |
|---|---|---|---|
| Height | 104 mm | 97 mm | +7 mm |
| Width / diameter | 350 mm | 352 mm | −2 mm |
| Length | 350 mm | 352 mm | −2 mm |
| Weight | 3.9 kg | 3.9 kg | = |
Drawn to the same scale from the official dimensions (front and side).
Why is L40 Ultra CE better than Qrevo 2 Pro?
- Obstacle avoidanceAI camera vs 3D structured light / line laser
- Dust bag (dock)3.2 l vs 2.5 l+28%
- Dustbin (robot)320 ml vs 270 ml+19%
- Charging time210 min vs 240 min+14%
- Clean water tank (dock)4.5 l vs 4 l+12%
Why is Qrevo 2 Pro better than L40 Ultra CE?
- Suction power13,000 Pa vs 25,000 Pa+92%
- Runtime180 min vs 253 min+41%
- Mop lift height10.5 mm vs 15 mm+43%
- Height104 mm vs 97 mm+7%
- Noise level74 dB vs 63 dB+17%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 13,000 Pa | 25,000 Pa |
| Dustbin (robot) | 320 ml | 270 ml |
| Main brush | Single main brush | Single main brush |
| Anti-tangle brush | Yes | Yes |
| Side brushes | 1 | 1 |
| Carpet detection | Yes | Yes |
| Dirt detection | Yes | — |
| HEPA filter | — | Yes |
| Noise level | 74 dB | 63 dB |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS), Wall sensor, Cliff sensors, Ultrasonic sensor | LiDAR laser (LDS), Wall sensor, Cliff sensors |
| Obstacle avoidance | AI camera | 3D structured light / line laser |
| Threshold climbing | 20 mm | 20 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 | 15 mm |
| Automatic mop removal | — | Yes |
| Extending mop (edges) | — | Yes |
| Water tank (robot) | — | 67 ml |
| 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 | 2.5 l |
| Mop washing in the dock | Yes | Yes |
| Hot-water mop washing | — | Yes |
| Hot-air mop drying | Yes | Yes |
| Automatic water refill | Yes | Yes |
| Clean water tank (dock) | 4.5 l | 4 l |
| Dirty water tank (dock) | 4 l | 3 l |
| Battery & runtime | ||
| Battery capacity | 5,200 mAh | 5,200 mAh |
| Runtime | 180 min | 253 min |
| Charging time | 210 min | 240 min |
| Cleaning area per charge | — | 319 m² |
| Recharge & resume | Yes | Yes |
| Size & weight | ||
| Width / diameter | 350 mm | 352 mm |
| Length | 350 mm | 352 mm |
| Height | 104 mm | 97 mm |
| Weight | 3.9 kg | 3.9 kg |
| Shape | Round | Round |
| Colours | Black | White |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant, Apple Siri | Amazon Alexa, Google Assistant, Apple Siri |
| Matter | — | Yes |
