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iRobot Roomba Plus 405 Combo vs Roborock Qrevo Curv S5X
The Roborock Qrevo Curv S5X wins with a score of 8.2/10. Best for: Hard-floor homes, pet households on a sub-$800 budget who want hot-water mop washing and self-emptying..
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.
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Roborock Qrevo Curv S5X
The best-value fully-autonomous hard-floor specialist in Roborock's Curv family — strong cleaning, weak obstacle avoidance.
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Specifications
| iRobot Roomba Plus 405 Combo | Spec | Roborock Qrevo Curv S5X |
|---|---|---|
| $400 | Price | $650 |
| — | Suction (Pa) | 18500 |
| 5000 | Battery (mAh) | 5200 |
| 65.0 | Noise (dB) | 55.0 |
| — | Dustbin (ml) | 325 |
| — | Water Tank (ml) | — |
| — | Mop Lift (mm) | 7.0 |
| — | Height (mm) | 98.0 |
| — | Weight (kg) | — |
| LiDAR | Navigation | PreciSense LiDAR |
| ✅ | Self-Empty | ✅ |
| ✅ | Self-Wash Mop | ✅ |
| ✅ | Self-Dry Mop | ✅ |
| ❌ | AI Obstacle | ❌ |
Pros & Cons
iRobot Roomba Plus 405 Combo
Roborock Qrevo Curv S5X
- + 18,500 Pa suction pulls flour, pasta, and pet hair in a single pass
- + Zero hair tangle on the DuoDivide brush in the 7-inch test
- + 75°C hot-water mop washing and 45°C warm-air drying on the dock
- + Camera-free design — privacy-friendly for bedrooms and offices
- + Thinnest Curv (9.79 cm) — fits under most low sofas and bed frames
- − Reactive Tech obstacle avoidance detected only 7 of 24 objects
- − 325 ml dustbin clogs quickly with long hair
- − Mop drags on medium-pile carpet with only 7 mm lift
- − No onboard camera means no remote viewing or Intelligent Voice Assistant
- − Battery is 5,200 mAh vs 6,400 mAh on the Curv — shorter runtime for XL homes
The Verdict
The Roborock Qrevo Curv S5X is the better choice with an overall score of 8.2/10 — best for hard-floor homes, pet households on a sub-$800 budget who want hot-water mop washing and self-emptying.. The iRobot Roomba Plus 405 Combo is more affordable at $400 vs $650.