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iRobot Roomba Max 705 Combo vs iRobot Roomba Plus 405 Combo
The iRobot Roomba Max 705 Combo wins with a score of 7.6/10. Best for: Hard-floor homes with light-to-moderate pet shedding, and iRobot loyalists who want US-based support over a Chinese flagship..
iRobot Roomba Max 705 Combo
iRobot's long-awaited LiDAR comeback. The best mopping Roomba ever — but the reliability bugs documented on Reddit make it hard to recommend at MSRP.
Read full reviewiRobot 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
| iRobot Roomba Max 705 Combo | Spec | iRobot Roomba Plus 405 Combo |
|---|---|---|
| $800 | Price | $400 |
| 13000 | Suction (Pa) | — |
| — | Battery (mAh) | 5000 |
| 71.0 | Noise (dB) | 65.0 |
| — | Dustbin (ml) | — |
| — | Water Tank (ml) | — |
| — | Mop Lift (mm) | — |
| — | Height (mm) | — |
| — | Weight (kg) | — |
| LiDAR | Navigation | LiDAR |
| ✅ | Self-Empty | ✅ |
| ✅ | Self-Wash Mop | ✅ |
| ✅ | Self-Dry Mop | ✅ |
| ✅ | AI Obstacle | ❌ |
The Verdict
The iRobot Roomba Max 705 Combo is the better choice with an overall score of 7.6/10 — best for hard-floor homes with light-to-moderate pet shedding, and irobot loyalists who want us-based support over a chinese flagship.. The iRobot Roomba Plus 405 Combo is more affordable at $400 vs $800.