Dreame L40 Ultra AE vs Roborock Qrevo Curv 2 Pro
Technical comparison · Robot vacuums and mops
Dreame L40 Ultra AE and Roborock Qrevo Curv 2 Pro sit in the same category (robot vacuums and mops). Dreame L40 Ultra AE is ahead on: days between bag changes. Roborock Qrevo Curv 2 Pro is ahead on: mop lifting height. On the category's technical index, Roborock Qrevo Curv 2 Pro ranks #2 of 11, Dreame L40 Ultra AE #7.
| Parameter |
L40 Ultra AE
Dreame
F4 · Semi-professional
|
Qrevo Curv 2 Pro
Roborock
F3 · Advanced
|
|---|---|---|
| Identity | ||
| Use tier | F4 — Semi-professional | F3 — Advanced |
| Price | ||
| Price | ~450–1000 € | ~1000–2200 € |
| Price updated on | 09/2026 | 09/2026 |
| Universal specs | ||
| Dimensions (W×D×H) | 35 × 35 × 9.7 cm | — |
| Weight | 4 kg | — |
| Voltage | — | 220 V |
| Category specs | ||
| Cleaning functions | Vacuums, Mops | Vacuums, Mops |
| Availability in Europe | On sale | On sale |
| Suction power | 19000 Pa | 25000 Pa |
| Navigation system | Rotating LiDAR | Rotating LiDAR |
| Onboard camera | Yes | Yes |
| Obstacle avoidance | Structured light, Camera with AI recognition | Structured light, Camera with AI recognition |
| Onboard microphone | Yes | Yes |
| Where object recognition runs | — | On the device |
| Robot height | 97 mm | 79.8 mm |
| Declared data server region | European Union | European Union |
| Robot diameter | 350 mm | — |
| Battery capacity | 5200 mAh | 6400 mAh |
| Works offline | — | Yes |
| Live video from the app | Yes | Yes |
| Runtime | 180 min | — |
| Charging time | 210 min | — |
| Camera privacy controls | — | Remote video off until enabled, Confirmation on the robot, Password in the app, Indicator light while streaming |
| Dustbin capacity | 395 ml | — |
| Two-way audio | Yes | Yes |
| Microphone can be disabled | — | Yes |
| Mopping system | — | Rotating discs |
| Mop lifting height | 10.5 mm | 20 mm |
| Guaranteed years of updates | — | 2 anni |
| Extending mop for edges | Yes | — |
| Repairability index (France) | 8.2 /10 | — |
| Dock functions | Automatic emptying, Mop washing, Hot water washing, Mop drying, Warm air drying, Detergent dispenser | Automatic emptying, Mop washing, Hot water washing, Mop drying, Warm air drying |
| Wi-Fi bands | 2.4 GHz | 2.4 GHz |
| App | Dreamehome | Roborock |
| Mop washing water temperature | 75 °C | 100 °C |
| Dust bag capacity | 3.2 l | — |
| Days between bag changes | 100 giorni | 65 giorni |
| Dock width | — | 450 mm |
| Dock depth | — | 450 mm |
| Dock height | 590 mm | 450 mm |
| Anti-tangle declared | Yes | Yes |
| Filter type | Washable | Washable |
| Carpet handling | Detects the carpet, Avoids the carpet, Boosts suction, Lifts the mop | Detects the carpet, Boosts suction, Lifts the mop, Leaves the mops at the dock, Avoids the carpet |
| Matter | — | Announced, not yet released |
| Built-in voice assistant | — | Commands recognised on board |
| Cliff sensors | Yes | Yes |
| Saved maps (floors) | — | 3 |
The differences that matter
- Mop lifting height: Dreame L40 Ultra AE 10.5 mm vs Roborock Qrevo Curv 2 Pro 20 mm
- Days between bag changes: Dreame L40 Ultra AE 100 giorni vs Roborock Qrevo Curv 2 Pro 65 giorni
- Robot height: Dreame L40 Ultra AE 97 mm vs Roborock Qrevo Curv 2 Pro 79.8 mm
- Dock functions: Dreame L40 Ultra AE Automatic emptying, Mop washing, Hot water washing, Mop drying, Warm air drying, Detergent dispenser · Roborock Qrevo Curv 2 Pro Automatic emptying, Mop washing, Hot water washing, Mop drying, Warm air drying
- Carpet handling: Dreame L40 Ultra AE Detects the carpet, Avoids the carpet, Boosts suction, Lifts the mop · Roborock Qrevo Curv 2 Pro Detects the carpet, Boosts suction, Lifts the mop, Leaves the mops at the dock, Avoids the carpet
In short
Dreame L40 Ultra AE
Measurable advantages: days between bag changes.
Roborock Qrevo Curv 2 Pro
Measurable advantages: mop lifting height and robot height.
This comparison points to the two product pages, where you'll find the complete data and the official links.