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- Eva vs V3
Roidmi Eva vs Viomi V3
What Eva does better (5) and where V3 wins (4) — every spec side by side.
Dimensions
Size comparison
EvaV3
| Eva | V3 | Difference | |
|---|---|---|---|
| Height | 106 mm | 95 mm | +11 mm |
| Width / diameter | 330 mm | 350 mm | −20 mm |
| Length | 330 mm | 350 mm | −20 mm |
| Weight | 4.2 kg | 3.6 kg | +0.6 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is Eva better than V3?
- Mop typeRotating mop pads vs Mop pad
- Base stationAll-in-one dock (empty + wash) vs Charging dock
- Suction power3,200 Pa vs 2,600 Pa+23%
- Battery capacity5,200 mAh vs 4,900 mAh+6%
- Noise level60 dB vs 75 dB+25%
Why is V3 better than Eva?
- Runtime120 min vs 150 min+25%
- Dustbin (robot)220 ml vs 500 ml2.3×
- Height106 mm vs 95 mm+12%
- Cleaning area per charge180 m² vs 250 m²+39%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 3,200 Pa | 2,600 Pa |
| Dustbin (robot) | 220 ml | 500 ml |
| Main brush | Single main brush | Single main brush |
| Side brushes | 1 | 1 |
| Carpet detection | Yes | — |
| HEPA filter | Yes | Yes |
| Noise level | 60 dB | 75 dB |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS), Wall sensor | 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 |
| Mopping | ||
| Mop type | Rotating mop pads | Mop pad |
| Base station | ||
| Base station | All-in-one dock (empty + wash) | Charging dock |
| Auto-empty dust station | Yes | — |
| Dust bag (dock) | 3 l | — |
| Mop washing in the dock | Yes | — |
| Automatic water refill | Yes | — |
| Clean water tank (dock) | 4 l | — |
| Dirty water tank (dock) | 4 l | — |
| Battery & runtime | ||
| Battery capacity | 5,200 mAh | 4,900 mAh |
| Runtime | 120 min | 150 min |
| Charging time | 240 min | — |
| Cleaning area per charge | 180 m² | 250 m² |
| Size & weight | ||
| Width / diameter | 330 mm | 350 mm |
| Length | 330 mm | 350 mm |
| Height | 106 mm | 95 mm |
| Weight | 4.2 kg | 3.6 kg |
| Shape | Round | Round |
| Colours | White | Black |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant | Amazon Alexa, Google Assistant |
