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 X40 Ultra vs iRobot Roomba Max 705 Vac
The Dreame X40 Ultra wins with a score of 8.4/10. Best for: Mid-to-large hard-floor homes wanting flagship mopping at a discount.
Winner
Dreame X40 Ultra
8.4/10$900
Last-gen flagship with class-leading mopping, now half its launch price.
Read full review
iRobot Roomba Max 705 Vac
7.6/10$500
A solid pet-hair vacuum with strong LiDAR navigation, but the app glitches and 56% Reddit positive rate make it hard to recommend at full MSRP.
Read full reviewScore Comparison
Dreame X40 UltraiRobot Roomba Max 705 Vac
Overall
8.47.6
Hard Floor
9.27.8
Carpet
8.58.2
Mopping
9.4—
Navigation
8.68.4
Noise
7.57.5
Smart Features
8.37.0
Maintenance
7.88.5
Specifications
| Dreame X40 Ultra | Spec | iRobot Roomba Max 705 Vac |
|---|---|---|
| $900 | Price | $500 |
| 12000 | Suction (Pa) | 13000 |
| 6400 | Battery (mAh) | 3300 |
| 65.0 | Noise (dB) | 64.0 |
| — | Dustbin (ml) | — |
| — | Water Tank (ml) | — |
| — | 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 | ✅ |
The Verdict
The Dreame X40 Ultra is the better choice with an overall score of 8.4/10 — best for mid-to-large hard-floor homes wanting flagship mopping at a discount. The iRobot Roomba Max 705 Vac is more affordable at $500 vs $900.