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Dreame L20 Ultra vs iRobot Roomba Plus 405 Combo
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.
Dreame L20 Ultra
Flagship mopping performance with MopExtend edge cleaning and hot water wash, now at an exceptional value
iRobot Roomba Plus 405 Combo
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 reviewScore Comparison
Specifications
| Dreame L20 Ultra | Spec | iRobot Roomba Plus 405 Combo |
|---|---|---|
| $799 | Price | $400 |
| 7000 | Suction (Pa) | — |
| 6400 | Battery (mAh) | 5000 |
| 63.0 | Noise (dB) | 65.0 |
| — | Dustbin (ml) | — |
| — | Water Tank (ml) | — |
| — | Mop Lift (mm) | — |
| — | Height (mm) | — |
| — | Weight (kg) | — |
| LiDAR + AI Camera | Navigation | LiDAR |
| ✅ | Self-Empty | ✅ |
| ✅ | Self-Wash Mop | ✅ |
| ✅ | Self-Dry Mop | ✅ |
| ✅ | AI Obstacle | ❌ |
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 iRobot Roomba Plus 405 Combo is more affordable at $400 vs $799.