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- R2 Nurovi Wash+Dry vs RVM 4 Comfort
Dyson R2 Nurovi Wash+Dry vs Kärcher RVM 4 Comfort
What R2 Nurovi Wash+Dry does better (3) and where RVM 4 Comfort wins (6) — every spec side by side.
vs
6.4Cleaning power7.7
7.2Navigation8.5
7.3Mopping7.8
4.5Base station4.6
3.7Battery6.6
Dimensions
Size comparison
R2 Nurovi Wash+DryRVM 4 Comfort
| R2 Nurovi Wash+Dry | RVM 4 Comfort | Difference | |
|---|---|---|---|
| Height | 96 mm | 100 mm | −4 mm |
| Width / diameter | 352 mm | 350 mm | +2 mm |
| Length | 352 mm | 350 mm | +2 mm |
| Weight | 3.6 kg | 3.8 kg | −0.2 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is R2 Nurovi Wash+Dry better than RVM 4 Comfort?
- Suction power21,000 Pa vs 15,000 Pa+40%
- Height96 mm vs 100 mm+4%
- Dust bag (dock)2.6 l vs 2.3 l+13%
Why is RVM 4 Comfort better than R2 Nurovi Wash+Dry?
- Obstacle avoidanceBasic sensors (infrared / bumper) vs AI camera
- Runtime120 min vs 160 min+33%
- Battery capacity4,900 mAh vs 5,200 mAh+6%
- Charging time390 min vs 230 min+70%
- Clean water tank (dock)2.1 l vs 2.5 l+19%
- Noise level75 dB vs 66 dB+14%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 21,000 Pa | 15,000 Pa |
| Dustbin (robot) | 150 ml | — |
| Main brush | Single main brush | Single main brush |
| Anti-tangle brush | Yes | — |
| Side brushes | 1 | 1 |
| Extending side brush | Yes | — |
| Carpet detection | Yes | Yes |
| Dirt detection | Yes | — |
| Noise level | 75 dB | 66 dB |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS), Wall sensor, Cliff sensors, Ultrasonic sensor | LiDAR laser (LDS), Wall sensor, Cliff sensors, Ultrasonic sensor |
| Obstacle avoidance | Basic sensors (infrared / bumper) | AI camera |
| Threshold climbing | 40 mm | — |
| No-go zones / virtual walls | Yes | — |
| Room mapping & room selection | Yes | Yes |
| Mopping | ||
| Mop type | Rotating mop pads | Rotating mop pads |
| Mop lifting on carpets | — | Yes |
| Extending mop (edges) | Yes | Yes |
| Water tank (robot) | 75 ml | — |
| Base station | ||
| Base station | All-in-one dock (empty + wash) | All-in-one dock (empty + wash) |
| Auto-empty dust station | Yes | Yes |
| Dust bag (dock) | 2.6 l | 2.3 l |
| Mop washing in the dock | Yes | Yes |
| Hot-water mop washing | Yes | — |
| Hot-air mop drying | Yes | Yes |
| Automatic water refill | Yes | Yes |
| Clean water tank (dock) | 2.1 l | 2.5 l |
| Dirty water tank (dock) | 1.2 l | 3 l |
| Battery & runtime | ||
| Battery capacity | 4,900 mAh | 5,200 mAh |
| Runtime | 120 min | 160 min |
| Charging time | 390 min | 230 min |
| Recharge & resume | Yes | — |
| Size & weight | ||
| Width / diameter | 352 mm | 350 mm |
| Length | 352 mm | 350 mm |
| Height | 96 mm | 100 mm |
| Weight | 3.6 kg | 3.8 kg |
| Shape | Round | Round |
| Colours | Grey, Violet | White |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant, Apple Siri | — |
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