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- V2 vs V3
Viomi V2 vs Viomi V3
What V2 does better (1) and where V3 wins (1) — every spec side by side.
Dimensions
Size comparison
V2V3
| V2 | V3 | Difference | |
|---|---|---|---|
| Height | 94 mm | 95 mm | −1 mm |
| Width / diameter | 350 mm | 350 mm | = |
| Length | 350 mm | 350 mm | = |
| Weight | 3.3 kg | 3.6 kg | −0.3 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is V2 better than V3?
- Dustbin (robot)600 ml vs 500 ml+20%
Why is V3 better than V2?
- Battery capacity3,200 mAh vs 4,900 mAh+53%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | — | 2,600 Pa |
| Dustbin (robot) | 600 ml | 500 ml |
| Main brush | Single main brush | Single main brush |
| Side brushes | 1 | 1 |
| HEPA filter | Yes | Yes |
| Noise level | — | 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 |
| Water tank (robot) | 560 ml | — |
| Base station | ||
| Base station | Charging dock | Charging dock |
| Battery & runtime | ||
| Battery capacity | 3,200 mAh | 4,900 mAh |
| Runtime | — | 150 min |
| Cleaning area per charge | — | 250 m² |
| Size & weight | ||
| Width / diameter | 350 mm | 350 mm |
| Length | 350 mm | 350 mm |
| Height | 94 mm | 95 mm |
| Weight | 3.3 kg | 3.6 kg |
| Shape | Round | Round |
| Colours | Grey | Black |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | — | Amazon Alexa, Google Assistant |









