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- D9 Pro vs Roomba Combo j7
Dreame D9 Pro vs iRobot Roomba Combo j7
What D9 Pro does better (2) and where Roomba Combo j7 wins (1) — every spec side by side.
vs
7.1Navigation6.6
Why is D9 Pro better than Roomba Combo j7?
- NavigationLaser (LiDAR) vs Camera (vSLAM)
- Dustbin (robot)550 ml vs 300 ml+83%
Why is Roomba Combo j7 better than D9 Pro?
- Charging time360 min vs 90 min4×
Specifications
Side by side
| Suction & cleaning | ||
| Dustbin (robot) | 550 ml | 300 ml |
| Main brush | — | Dual main brushes |
| Side brushes | — | 1 |
| Dirt detection | — | Yes |
| Noise level | 60 dB | — |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Camera (vSLAM) |
| Navigation sensors | LiDAR laser (LDS) | vSLAM camera, Wall sensor, Cliff sensors |
| Obstacle avoidance | — | AI camera |
| Threshold climbing | — | 20 mm |
| No-go zones / virtual walls | — | Yes |
| Room mapping & room selection | Yes | Yes |
| Mopping | ||
| Mop type | — | Mop pad |
| Water tank (robot) | 270 ml | — |
| Base station | ||
| Base station | — | Charging dock |
| Battery & runtime | ||
| Runtime | — | 75 min |
| Charging time | 360 min | 90 min |
| Recharge & resume | — | Yes |
| Size & weight | ||
| Width / diameter | — | 338 mm |
| Length | — | 338 mm |
| Height | — | 87 mm |
| Weight | — | 3.4 kg |
| Shape | Round | Round |
| Colours | White | Black, Silver, Grey |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa | Amazon Alexa, Google Assistant |
