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- Q7 BF vs Robot Vacuum S40C
Roborock Q7 BF vs Xiaomi Robot Vacuum S40C
What Q7 BF does better (5) and where Robot Vacuum S40C wins (2) — every spec side by side.
vs
6.6Cleaning power5.4
5.8Navigation5.8
2.3Mopping4.1
5.2Battery2.1
Dimensions
Size comparison
Q7 BFRobot Vacuum S40C
| Q7 BF | Robot Vacuum S40C | Difference | |
|---|---|---|---|
| Height | 99 mm | 97 mm | +2 mm |
| Width / diameter | 325 mm | 340 mm | −15 mm |
| Length | 325 mm | 340 mm | −15 mm |
| Weight | 3.3 kg | 3.4 kg | −0.1 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is Q7 BF better than Robot Vacuum S40C?
- Suction power8,000 Pa vs 5,000 Pa+60%
- Runtime150 min vs 100 min+50%
- Battery capacity3,200 mAh vs 2,600 mAh+23%
- Charging time270 min vs 360 min+33%
- Dustbin (robot)595 ml vs 520 ml+14%
Why is Robot Vacuum S40C better than Q7 BF?
- Height99 mm vs 97 mm+2%
- Noise level65 dB vs 63 dB+3%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 8,000 Pa | 5,000 Pa |
| Dustbin (robot) | 595 ml | 520 ml |
| Main brush | Single main brush | Single main brush |
| Anti-tangle brush | Yes | — |
| Side brushes | 1 | 1 |
| Noise level | 65 dB | 63 dB |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS), Cliff sensors | LiDAR laser (LDS), Cliff sensors |
| Obstacle avoidance | Basic sensors (infrared / bumper) | Basic sensors (infrared / bumper) |
| Threshold climbing | 20 mm | 20 mm |
| No-go zones / virtual walls | Yes | Yes |
| Room mapping & room selection | Yes | Yes |
| Mopping | ||
| Mop type | Mop pad | Mop pad |
| Water tank (robot) | — | 260 ml |
| Base station | ||
| Base station | Charging dock | Charging dock |
| Battery & runtime | ||
| Battery capacity | 3,200 mAh | 2,600 mAh |
| Runtime | 150 min | 100 min |
| Charging time | 270 min | 360 min |
| Cleaning area per charge | 290 m² | — |
| Size & weight | ||
| Width / diameter | 325 mm | 340 mm |
| Length | 325 mm | 340 mm |
| Height | 99 mm | 97 mm |
| Weight | 3.3 kg | 3.4 kg |
| Shape | Round | Round |
| Colours | Black | White |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant | Amazon Alexa, Google Assistant |
