Our Verdict
roborock Qrevo Curv Wins

Its 18,500Pa suction outperforms Dreame's 13,000Pa for deep cleaning. Choose Dreame L40s Ultra CE for a lighter unit (17.0 lbs vs 42.4 lbs) and 10.5mm mop lift.
Bottom Line: roborock Qrevo Curv is the better choice. Its 18,500Pa suction outperforms Dreame's 13,000Pa for deep cleaning.
Key Differences
The most significant spec differences at a glance
Suction Power
30% lessBattery Life
33% lessWeight
60% lessAdvantages
Where each product wins
DREAME
- Weight: 60% lower (17.0 vs 42.4)
roborock
- Suction Power: 30% higher (13000.0 vs 18500)
- Battery Life: 33% higher (160.0 vs 240)
Who Should Buy Which?
Find the right product for your needs
Buy DREAME if...
DREAME L40s Ultra CE
If you are a budget-conscious homeowner or pet owner seeking robust automated cleaning without breaking the bank, the Dreame L40s Ultra CE is your ideal choice. You prioritize strong 13,000Pa suction for pet hair and dirt on both hard floors and carpets, coupled with a comprehensive self-cleaning base that washes and hot-air dries mops. Its 10.5mm mop lifting feature is perfect for homes with mixed flooring, ensuring carpets stay dry. You don't mind a separate module for auto-filling cleaning solution.
Buy roborock if...
roborock Qrevo Curv Robot
The roborock Qrevo Curv is perfect for those who demand the absolute strongest cleaning performance and are willing to invest more for premium features. If you need maximum 18,500Pa suction for deep cleaning, hot water mop washing at 167°F for superior hygiene, and advanced edge cleaning with FlexiArm technology, this model is unmatched. It's designed for users with larger homes, higher budgets, and a desire for the most thorough, hands-off cleaning experience available, including adapting to 4cm floor transitions effortlessly.
Spec Comparison
10 specs compared
| Specification | ![]() | ![]() |
|---|---|---|
| Price | $399 | $800 |
| Rating | 4.3(613) | 4.1(1.1k) |
| Suction Power Pa | 13000 | 18500 |
| Navigation Type | LiDAR | LiDAR |
| Self Emptying Base | Yes | Yes |
| Weight | 17 lbs | 42.4 lbs |
| App Control | Yes | Yes |
| Carpet Detection | Yes | Yes |
| Mopping Function | Yes | Yes |
| Battery Life Mins | 160 | 240 |
| Obstacle Avoidance | Yes | Yes |
| Noise Level | — | 55 dB |
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Pros & Cons
Quick overview of strengths and weaknesses
DREAME L40s Ultra
- 13,000Pa suction removes deep dirt from hard floors and carp
- Base refills water, washes mops, hot air dries pads.
- TriCut Brush cuts hair, prevents brush tangles.
- Mop lifts 10.5mm on carpet, prevents wetting rugs.
- Auto-filling cleaning solution requires separate module.
- Requires 2.4GHz Wi-Fi network, no 5GHz support.
roborock Qrevo Curv
- 18,500Pa suction removes fine dust and pet hair.
- Dock auto-washes mop with 167°F hot water.
- FlexiArm brush extends for thorough edge cleaning.
- Chassis auto-adjusts for 4cm floor transitions.
- App control limited to 2.4GHz WiFi.
- Unit weight is 42.4 lbs.
Frequently Asked Questions
Common questions about this comparison
Which robot vacuum is better for homes with heavy dirt or pet hair?
The roborock Qrevo Curv is superior with 18,500Pa suction, compared to DREAME's 13,000Pa. This higher power ensures more effective removal of deep dirt and pet hair from various floor types.
What is the main difference in suction power between the two models?
The roborock Qrevo Curv provides significantly higher suction at 18,500Pa. In contrast, the DREAME L40s Ultra CE offers 13,000Pa. This substantial difference impacts overall cleaning efficiency, especially for stubborn debris.
How do the mopping features compare?
Roborock uses 167 0 0F hot water for mop washing and FlexiArm for edge cleaning. DREAME features a 10.5mm mop lift for carpets and hot air drying for pads. Both offer excellent self-cleaning mop docks.
Which product is heavier or more compact?
The DREAME L40s Ultra CE is much lighter at 17.0 lbs. The roborock Qrevo Curv is considerably heavier, weighing 42.4 lbs. This might be a factor for moving the unit.
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