Dreame L40 Ultra AE vs Roborock Qrevo S Pro
Technical comparison · Robot vacuums and mops
Dreame L40 Ultra AE and Roborock Qrevo S Pro differ in obstacle avoidance and dock functions; on the measurable specs neither model is ahead: the differences are of design, not of level.
| Parameter |
L40 Ultra AE
Dreame
F4 · Semi-professional
|
Qrevo S Pro
Roborock
F3 · Advanced
|
|---|---|---|
| Identity | ||
| Launch year | — | 2025 |
| Use tier | F4 — Semi-professional | F3 — Advanced |
| Price | ||
| Price | ~450–1000 € | ~450–1000 € |
| Price updated on | 09/2026 | 09/2026 |
| Universal specs | ||
| Dimensions (W×D×H) | 35 × 35 × 9.7 cm | 35 × 35.3 × 9.65 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 | 18500 Pa |
| Navigation system | Rotating LiDAR | Rotating LiDAR |
| Release year | — | 2025 |
| Onboard camera | Yes | No |
| Obstacle avoidance | Structured light, Camera with AI recognition | Structured light |
| Onboard microphone | Yes | No |
| Where object recognition runs | — | No object recognition |
| Robot height | 97 mm | — |
| Declared data server region | European Union | European Union |
| Robot diameter | 350 mm | — |
| Battery capacity | 5200 mAh | 5200 mAh |
| Live video from the app | Yes | — |
| Runtime | 180 min | — |
| Charging time | 210 min | — |
| Dustbin capacity | 395 ml | — |
| Two-way audio | Yes | — |
| Mopping system | — | Rotating discs |
| Mop lifting height | 10.5 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, Warm air drying |
| Wi-Fi bands | 2.4 GHz | 2.4 GHz |
| App | Dreamehome | Roborock |
| Mop washing water temperature | 75 °C | 75 °C |
| Dust bag capacity | 3.2 l | — |
| Days between bag changes | 100 giorni | — |
| Dock height | 590 mm | — |
| Main brush type | — | Single rubber roller |
| Anti-tangle declared | Yes | Yes |
| Filter type | Washable | Washable |
| Carpet handling | Detects the carpet, Avoids the carpet, Boosts suction, Lifts the mop | Lifts the mop |
| Cliff sensors | Yes | — |
The differences that matter
- Obstacle avoidance: Dreame L40 Ultra AE Structured light, Camera with AI recognition · Roborock Qrevo S Pro Structured light
- Dock functions: Dreame L40 Ultra AE Automatic emptying, Mop washing, Hot water washing, Mop drying, Warm air drying, Detergent dispenser · Roborock Qrevo S Pro Automatic emptying, Mop washing, Hot water washing, Warm air drying
- Carpet handling: Dreame L40 Ultra AE Detects the carpet, Avoids the carpet, Boosts suction, Lifts the mop · Roborock Qrevo S Pro Lifts the mop
In short
Dreame L40 Ultra AE
Design differences: obstacle avoidance: structured light, Camera with AI recognition; dock functions: automatic emptying, Mop washing, Hot water washing, Mop drying, Warm air drying, Detergent dispenser; carpet handling: detects the carpet, Avoids the carpet, Boosts suction, Lifts the mop.
Roborock Qrevo S Pro
Design differences: obstacle avoidance: structured light; dock functions: automatic emptying, Mop washing, Hot water washing, Warm air drying; carpet handling: lifts the mop.
This comparison points to the two product pages, where you'll find the complete data and the official links.