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 Gen 2 vs Dreame X40 Ultra
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.
Dreame L40 Ultra Gen 2
0.0/10$700
Winner
Dreame X40 Ultra
8.4/10$900
Last-gen flagship with class-leading mopping, now half its launch price.
Read full reviewScore Comparison
Dreame L40 Ultra Gen 2Dreame X40 Ultra
Overall
—8.4
Hard Floor
—9.2
Carpet
—8.5
Mopping
—9.4
Navigation
—8.6
Noise
—7.5
Smart Features
—8.3
Maintenance
—7.8
Specifications
| Dreame L40 Ultra Gen 2 | Spec | Dreame X40 Ultra |
|---|---|---|
| $700 | Price | $900 |
| 25000 | Suction (Pa) | 12000 |
| — | Battery (mAh) | 6400 |
| — | Noise (dB) | 65.0 |
| — | Dustbin (ml) | — |
| — | Water Tank (ml) | — |
| — | Mop Lift (mm) | — |
| — | Height (mm) | — |
| — | Weight (kg) | — |
| LiDAR + 3D Structured Light | Navigation | LiDAR + 3D Structured Light |
| ✅ | 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 Dreame L40 Ultra Gen 2 is more affordable at $700 vs $900.