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Dreame L20 Ultra vs Roborock QV 35A
The Dreame L20 Ultra wins with a score of 8.2/10. Best for: Large homes with mostly hard floors who want the best mopping.
Winner
Dreame L20 Ultra
8.2/10$799
Flagship mopping performance with MopExtend edge cleaning and hot water wash, now at an exceptional value
Score Comparison
Dreame L20 UltraRoborock QV 35A
Overall
8.28.0
Hard Floor
8.58.8
Carpet
7.57.5
Mopping
9.28.0
Navigation
8.38.2
Noise
8.89.0
Smart Features
7.88.5
Maintenance
8.08.0
Specifications
| Dreame L20 Ultra | Spec | Roborock QV 35A |
|---|---|---|
| $799 | Price | $400 |
| 7000 | Suction (Pa) | 8000 |
| 6400 | Battery (mAh) | 5200 |
| 63.0 | Noise (dB) | 45.0 |
| — | Dustbin (ml) | 330 |
| — | Water Tank (ml) | — |
| — | Mop Lift (mm) | 10.0 |
| — | Height (mm) | — |
| — | Weight (kg) | 2.7 |
| LiDAR + AI Camera | Navigation | PreciSense LiDAR |
| ✅ | Self-Empty | ✅ |
| ✅ | Self-Wash Mop | ✅ |
| ✅ | Self-Dry Mop | ✅ |
| ✅ | AI Obstacle | ✅ |
Pros & Cons
Dreame L20 Ultra
Roborock QV 35A
Pros
- + 8,000Pa HyperForce suction
- + Auto mop wash and dry dock
- + Anti-tangle spiral rubber brush
- + Very quiet — 45dB in standard mode
- + 180-min runtime covers large homes
- + Multi-floor mapping (up to 4 floors)
Cons
- − Struggles on high-pile and shag carpet
- − No hot water mop wash
- − Reactive Tech obstacle avoidance stumbles on dark floors
- − Reports of occasional dock water leaks
- − Fixed mop arms (no extending edge-mop)
The Verdict
The Dreame L20 Ultra is the better choice with an overall score of 8.2/10 — best for large homes with mostly hard floors who want the best mopping. The Roborock QV 35A is more affordable at $400 vs $799.