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Dreame L40 Ultra vs iRobot Roomba Plus 505 Combo
The Dreame L40 Ultra wins with a score of 8.4/10. Best for: Pet households with mostly hard floors and large open spaces.
Winner
Dreame L40 Ultra
8.4/10$599
The Dreame L40 Ultra delivers near-flagship cleaning performance and the longest battery efficiency we've measured at a mid-range price.
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iRobot Roomba Plus 505 Combo
8.0/10$500
iRobot’s most well-rounded mid-tier combo to date — fantastic mopping and obstacle avoidance, let down only by noise and average carpet performance.
Read full reviewScore Comparison
Dreame L40 UltraiRobot Roomba Plus 505 Combo
Overall
8.48.0
Hard Floor
9.08.5
Carpet
8.07.0
Mopping
8.58.8
Navigation
8.88.7
Noise
7.56.8
Smart Features
8.58.2
Maintenance
8.88.5
Specifications
| Dreame L40 Ultra | Spec | iRobot Roomba Plus 505 Combo |
|---|---|---|
| $599 | Price | $500 |
| 11000 | Suction (Pa) | 7000 |
| 5200 | Battery (mAh) | — |
| 65.0 | Noise (dB) | 70.0 |
| — | Dustbin (ml) | — |
| — | Water Tank (ml) | — |
| 10.5 | Mop Lift (mm) | — |
| — | Height (mm) | — |
| — | Weight (kg) | — |
| LiDAR + 3D Structured Light | Navigation | ClearView Pro LiDAR + PrecisionVision AI |
| ✅ | Self-Empty | ✅ |
| ✅ | Self-Wash Mop | ✅ |
| ✅ | Self-Dry Mop | ✅ |
| ✅ | AI Obstacle | ✅ |
Pros & Cons
Dreame L40 Ultra
Pros
- + 11,000Pa suction handles hard floors with ease
- + Class-leading battery efficiency (194 min runtime)
- + TriCut anti-tangle brush handles long hair well
- + 60°C hot water mop wash and auto-dry
- + Built-in voice control + Matter, Alexa, Google, HomeKit
Cons
- − Lower carpet performance vs flagship X40
- − Mop pad retention occasionally drops a pad
- − Louder than premium competitors at full power
- − Mopping won't replace deep manual cleaning on heavy stains
iRobot Roomba Plus 505 Combo
The Verdict
The Dreame L40 Ultra is the better choice with an overall score of 8.4/10 — best for pet households with mostly hard floors and large open spaces. The iRobot Roomba Plus 505 Combo is more affordable at $500 vs $599.