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- D9 Plus vs Roomba j7 j7156
Dreame D9 Plus vs iRobot Roomba j7 j7156
What D9 Plus does better (1) and where Roomba j7 j7156 wins (0) — every spec side by side.
vs
5.4Base station3.5
Why is D9 Plus better than Roomba j7 j7156?
- Base stationAuto-empty dock vs Charging dock
Why is Roomba j7 j7156 better than D9 Plus?
Roomba j7 j7156 has no measurable advantages in this pair.
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 2,500 Pa | — |
| Dustbin (robot) | 400 ml | 400 ml |
| Main brush | Single main brush | — |
| Side brushes | 1 | — |
| Carpet detection | Yes | — |
| HEPA filter | Yes | — |
| Noise level | 60 dB | — |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | — |
| Navigation sensors | LiDAR laser (LDS) | — |
| Obstacle avoidance | Basic sensors (infrared / bumper) | — |
| Threshold climbing | 20 mm | — |
| Room mapping & room selection | Yes | — |
| Mopping | ||
| Mop type | Mop pad | — |
| Water tank (robot) | 150 ml | — |
| Base station | ||
| Base station | Auto-empty dock | Charging dock |
| Auto-empty dust station | Yes | — |
| Dust bag (dock) | 2.5 l | — |
| Battery & runtime | ||
| Battery capacity | 5,000 mAh | — |
| Runtime | 150 min | — |
| Charging time | 360 min | 360 min |
| Cleaning area per charge | 200 m² | — |
| Size & weight | ||
| Width / diameter | 335 mm | — |
| Length | 335 mm | — |
| Height | 95 mm | — |
| Weight | 3.8 kg | — |
| Shape | Round | Round |
| Colours | White | Grey |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa | Amazon Alexa, Google Assistant |









