Dreame X40 Ultra vs Dreame D30 Ultra
vs
Quick take: The Dreame D30 Ultra costs $60 less; the Dreame D30 Ultra has stronger suction (25,000 vs 12,000 Pa); the Dreame D30 Ultra runs longer per charge (230 vs 210 min).
| Spec | Dreame X40 Ultra | Dreame D30 Ultra |
|---|---|---|
| Price | ~$600 | ~$540 |
| Type | Robot Vacuum & Mop | Robot Vacuum & Mop |
| Suction | 12000 Pa | 25,000 Pa |
| Battery | 210 min | 230 min |
| Navigation | LiDAR + Camera | LiDAR + Camera |
| Filtration | — | — |
| Cordless | Yes | Yes |
| Bagged | — | — |
| Noise | 66 dB | — |
| Dustbin | 350 ml | 300 ml |
| Water tank | 300 ml | 4.5 L |
| Self-empty dock | Yes | Yes |
| Auto mop washing | Yes | Yes |
| Hot water washing | Yes | No |
| Obstacle avoidance | Yes | Yes |
| Carpet detection | Yes | Yes |
| Auto mop lifting | Yes | Yes |
| Multi-floor mapping | Yes | Yes |
| App control | Yes | Yes |
| Dimensions | 13.9 x 13.9 x 4.0 in | 13.78 x 13.78 x 3.81 in |
| Weight | 10.1 lbs | 8.6 lbs |
| Warranty | 1 year | 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 D30 Ultra
- ✓25,000Pa suction beats several pricier Dreame L-series robots
- ✓230-minute runtime covers large homes in a single charge
- ✓MopExtend arm and TriCut detangling brush handle corners and pet hair well
- ✓Self-empty dock rated for roughly 100 days between bag changes
- ✓LiDAR navigation with multi-floor mapping and app no-go zones
- ✗Mop pads are rinsed with room-temperature water, not heat-washed, so greasy spots need more passes
- ✗No hot-air pad drying claim published, so pads may stay damp longer between cycles
- ✗Noise level isn't published by Dreame
- ✗300ml onboard dust box is small without the auto-empty dock
- ✗D30 Ultra CE sibling looks similar in listings but drops the self-cleaning washboard — easy to buy the wrong one