Dreame X40 Ultra vs iRobot Roomba Plus 515 Combo + AutoWash Dock
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Quick take: The iRobot Roomba Plus 515 Combo + AutoWash Dock runs longer per charge (295 vs 210 min).
| Spec | Dreame X40 Ultra | iRobot Roomba Plus 515 Combo + AutoWash Dock |
|---|---|---|
| Price | ~$600 | ~$600 |
| Type | Robot Vacuum & Mop | Robot Vacuum & Mop |
| Suction | 12000 Pa | — |
| Battery | 210 min | 295 min |
| Navigation | LiDAR + Camera | LiDAR |
| Filtration | — | — |
| Cordless | Yes | Yes |
| Bagged | — | — |
| Noise | 66 dB | — |
| Dustbin | 300 ml | — |
| Water tank | 80 ml | — |
| Self-empty dock | Yes | Yes |
| Auto mop washing | Yes | Yes |
| Hot water washing | Yes | Yes |
| Obstacle avoidance | Yes | No |
| Carpet detection | Yes | Yes |
| Auto mop lifting | Yes | Yes |
| Multi-floor mapping | Yes | No |
| App control | Yes | Yes |
| Dimensions | 13.9 x 13.9 x 4.0 in | 11.73 x 11.93 x 3.29 in |
| Weight | 10.1 lbs | 6.44 lbs |
| Warranty | 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
iRobot Roomba Plus 515 Combo + AutoWash Dock
- ✓Compact 11.73 x 11.93 in body
- ✓Up to 295 minutes per charge
- ✓Pads washed at 113°F and heat-dried
- ✓Pads lift on carpet
- ✓Light 6.44 lb robot
- ✓3.29 in tall
- ✗No camera, unlike the Plus 575 and the Max models
- ✗113°F wash is cooler than rivals' 140 to 212°F docks
- ✗Suction, warranty and obstacle avoidance are not published