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- Q7+ vs V3
Roborock Q7+ vs Viomi V3
What Q7+ does better (7) and where V3 wins (0) — every spec side by side.
Dimensions
Size comparison
Q7+V3
| Q7+ | V3 | Difference | |
|---|---|---|---|
| Height | 96 mm | 95 mm | +1 mm |
| Width / diameter | 350 mm | 350 mm | = |
| Length | 350 mm | 350 mm | = |
Drawn to the same scale from the official dimensions (front and side).
Why is Q7+ better than V3?
- Base stationAuto-empty dock vs Charging dock
- Runtime180 min vs 150 min+20%
- Suction power2,700 Pa vs 2,600 Pa+4%
- Battery capacity5,200 mAh vs 4,900 mAh+6%
- Dustbin (robot)750 ml vs 500 ml+50%
- Cleaning area per charge300 m² vs 250 m²+20%
- Noise level67 dB vs 75 dB+12%
Why is V3 better than Q7+?
V3 has no measurable advantages in this pair.
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 2,700 Pa | 2,600 Pa |
| Dustbin (robot) | 750 ml | 500 ml |
| Main brush | Single main brush | Single main brush |
| Side brushes | 1 | 1 |
| HEPA filter | — | Yes |
| Noise level | 67 dB | 75 dB |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS), Cliff sensors | LiDAR laser (LDS) |
| 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) | 180 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 | 5,200 mAh | 4,900 mAh |
| Runtime | 180 min | 150 min |
| Charging time | 360 min | — |
| Cleaning area per charge | 300 m² | 250 m² |
| Size & weight | ||
| Width / diameter | 350 mm | 350 mm |
| Length | 350 mm | 350 mm |
| Height | 96 mm | 95 mm |
| Weight | — | 3.6 kg |
| Shape | Round | Round |
| Colours | Black | Black |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant, Apple Siri | Amazon Alexa, Google Assistant |
