Dreame X40 Ultra vs Dreame L40 Ultra Gen 2
Quick take: The Dreame L40 Ultra Gen 2 costs $30 less; the Dreame L40 Ultra Gen 2 has stronger suction (25,000 vs 12,000 Pa); the Dreame L40 Ultra Gen 2 runs longer per charge (231 vs 210 min).
| Spec | Dreame X40 Ultra | Dreame L40 Ultra Gen 2 |
|---|---|---|
| Price | ~$600 | ~$570 |
| Type | Robot Vacuum & Mop | Robot Vacuum & Mop |
| Suction | 12000 Pa | 25000 Pa |
| Battery | 210 min | 231 min |
| Navigation | LiDAR + Camera | LiDAR |
| Filtration | — | — |
| Cordless | Yes | Yes |
| Bagged | — | — |
| Noise | 66 dB | — |
| Dustbin | 300 ml | 250 ml |
| Water tank | 80 ml | — |
| Self-empty dock | Yes | Yes |
| Auto mop washing | Yes | Yes |
| Hot water washing | Yes | Yes |
| Obstacle avoidance | Yes | Yes |
| Carpet detection | Yes | No |
| Auto mop lifting | Yes | Yes |
| Multi-floor mapping | Yes | No |
| App control | Yes | Yes |
| Dimensions | 13.9 x 13.9 x 4.0 in | 13.78 x 13.78 x 3.82 in |
| Weight | 10.1 lbs | 8.58 lbs |
| Warranty | 3 years | 3 years |
Pros & cons
Dreame X40 Ultra
- ✓12000Pa suction is the strongest available — pulls embedded dirt from carpet fibers
- ✓Extending side brush reaches into corners and along walls other robots miss
- ✓Hot water mop wash with auto-detergent dispensing is truly hands-free
- ✓MopExtend technology pushes mop pads beyond the robot body for edge mopping
- ✓210-minute battery comfortably covers 3000+ sq ft homes
- ✗App can be buggy with occasional disconnects and slow map loading
- ✗Extending brush mechanism is a moving part that could wear over time
- ✗Slightly taller profile (4 inches) may not fit under some furniture
- ✗Newer brand with less established US customer service compared to Roborock or iRobot
Dreame L40 Ultra Gen 2
- ✓Full self-empty, hot-water wash dock for $569.99
- ✓231-minute lab runtime
- ✓25,000 Pa suction
- ✓Mops lift 10.5 mm
- ✓3-year warranty, same as Dreame's flagships
- ✗No AI camera or object recognition
- ✗Climbs only 0.79 in
- ✗Wash water temperature and noise level are not published