Best Robot Vacuums is reader-supported. When you buy through links on our site, we may earn a commission. Details.
We may earn a commission when you buy through links on this page. Learn more.
Dreame L40 Ultra vs iRobot Roomba Max 705 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.
Read full review
iRobot Roomba Max 705 Combo
7.6/10$800
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 reviewScore Comparison
Dreame L40 UltraiRobot Roomba Max 705 Combo
Overall
8.47.6
Hard Floor
9.08.5
Carpet
8.07.0
Mopping
8.57.8
Navigation
8.88.0
Noise
7.57.0
Smart Features
8.57.5
Maintenance
8.86.5
Specifications
| Dreame L40 Ultra | Spec | iRobot Roomba Max 705 Combo |
|---|---|---|
| $599 | Price | $800 |
| 11000 | Suction (Pa) | 13000 |
| 5200 | Battery (mAh) | — |
| 65.0 | Noise (dB) | 71.0 |
| — | Dustbin (ml) | — |
| — | Water Tank (ml) | — |
| 10.5 | Mop Lift (mm) | — |
| — | Height (mm) | — |
| — | Weight (kg) | — |
| LiDAR + 3D Structured Light | Navigation | LiDAR |
| ✅ | 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 Max 705 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 Dreame L40 Ultra is more affordable at $599 vs $800.