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iRobot Roomba Plus 405 Combo vs Roborock QV 35A
The Roborock QV 35A wins with a score of 8.0/10. Best for: Mid-size homes with hard floors, pets, and low-to-medium pile carpet — buyers who want flagship dock automation without flagship prices.
iRobot Roomba Plus 405 Combo
7.4/10$400
A solid mid-tier Roomba that finally brings LiDAR navigation and a self-washing dock under $500. But weak deep-carpet performance and zero obstacle avoidance make it hard to recommend over the Roborock Q Revo or Dreame L40 Ultra at the same price.
Read full review
Score Comparison
iRobot Roomba Plus 405 ComboRoborock QV 35A
Overall
7.48.0
Hard Floor
8.48.8
Carpet
6.57.5
Mopping
7.58.0
Navigation
8.08.2
Noise
7.59.0
Smart Features
7.08.5
Maintenance
8.58.0
Specifications
| iRobot Roomba Plus 405 Combo | Spec | Roborock QV 35A |
|---|---|---|
| $400 | Price | $400 |
| — | Suction (Pa) | 8000 |
| 5000 | Battery (mAh) | 5200 |
| 65.0 | Noise (dB) | 45.0 |
| — | Dustbin (ml) | 330 |
| — | Water Tank (ml) | — |
| — | Mop Lift (mm) | 10.0 |
| — | Height (mm) | — |
| — | Weight (kg) | 2.7 |
| LiDAR | Navigation | PreciSense LiDAR |
| ✅ | Self-Empty | ✅ |
| ✅ | Self-Wash Mop | ✅ |
| ✅ | Self-Dry Mop | ✅ |
| ❌ | AI Obstacle | ✅ |
Pros & Cons
iRobot Roomba Plus 405 Combo
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 Roborock QV 35A is the better choice with an overall score of 8.0/10 — best for mid-size homes with hard floors, pets, and low-to-medium pile carpet — buyers who want flagship dock automation without flagship prices.