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- L40 Ultra AE vs Qrevo Plus
Dreame L40 Ultra AE vs Roborock Qrevo Plus
What L40 Ultra AE does better (7) and where Qrevo Plus wins (2) — every spec side by side.
vs
7.5Cleaning power5.5
7.6Navigation2.5
7.4Mopping8.5
8.2Base station8.3
6.8Battery7.8
Dimensions
Size comparison
L40 Ultra AEQrevo Plus
| L40 Ultra AE | Qrevo Plus | Difference | |
|---|---|---|---|
| Height | 97 mm | 96 mm | +1 mm |
| Width / diameter | 350 mm | 353 mm | −3 mm |
| Length | 350 mm | 353 mm | −3 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is L40 Ultra AE better than Qrevo Plus?
- Suction power19,000 Pa vs 7,000 Pa2.7×
- Obstacle avoidanceAI camera vs Basic sensors (infrared / bumper)
- Threshold climbing20 mm vs 10 mm2×
- Dustbin (robot)395 ml vs 300 ml+32%
- Dust bag (dock)3.2 l vs 2.7 l+19%
- Charging time210 min vs 240 min+14%
- Clean water tank (dock)4.5 l vs 4 l+12%
Why is Qrevo Plus better than L40 Ultra AE?
- Cleaning area per charge168 m² vs 330 m²+96%
- Noise level74 dB vs 63 dB+17%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 19,000 Pa | 7,000 Pa |
| Dustbin (robot) | 395 ml | 300 ml |
| Main brush | Single main brush | Single main brush |
| Side brushes | 1 | 1 |
| Extending side brush | — | Yes |
| Carpet detection | Yes | Yes |
| Dirt detection | 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) |
| Obstacle avoidance | AI camera | Basic sensors (infrared / bumper) |
| Threshold climbing | 20 mm | 10 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 | — |
| Extending mop (edges) | 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 | 2.7 l |
| Mop washing in the dock | Yes | Yes |
| Hot-water mop washing | Yes | — |
| Hot-air mop drying | Yes | Yes |
| Automatic water refill | Yes | Yes |
| Plumbed water connection | Yes | — |
| Clean water tank (dock) | 4.5 l | 4 l |
| Dirty water tank (dock) | 4 l | — |
| Battery & runtime | ||
| Battery capacity | 5,200 mAh | — |
| Runtime | 180 min | 180 min |
| Charging time | 210 min | 240 min |
| Cleaning area per charge | 168 m² | 330 m² |
| Recharge & resume | Yes | — |
| Size & weight | ||
| Width / diameter | 350 mm | 353 mm |
| Length | 350 mm | 353 mm |
| Height | 97 mm | 96 mm |
| Weight | 4 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 |
| Live camera view / video call | Yes | — |
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