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- D9 vs S7
Dreame D9 vs Roborock S7
What D9 does better (1) and where S7 wins (2) — every spec side by side.
Why is D9 better than S7?
- Dustbin (robot)550 ml vs 450 ml+22%
Why is S7 better than D9?
- Charging time360 min vs 300 min+20%
- Water tank (robot)270 ml vs 300 ml+11%
Specifications
Side by side
| Suction & cleaning | ||
| Dustbin (robot) | 550 ml | 450 ml |
| HEPA filter | Yes | Yes |
| Noise level | 60 dB | 60 dB |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS) | LiDAR laser (LDS), Cliff sensors |
| Obstacle avoidance | — | Basic sensors (infrared / bumper) |
| Threshold climbing | — | 20 mm |
| Room mapping & room selection | Yes | Yes |
| Mopping | ||
| Water tank (robot) | 270 ml | 300 ml |
| Base station | ||
| Base station | — | Charging dock |
| Battery & runtime | ||
| Runtime | — | 180 min |
| Charging time | 360 min | 300 min |
| Size & weight | ||
| Height | — | 96 mm |
| Shape | Round | Round |
| Colours | White | White |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant, Apple Siri | Amazon Alexa, Google Assistant, Apple Siri |
| Remote control | — | Yes |
