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- Spotless 2 vs RVM 4 Comfort Extra
Bosch Spotless 2 vs Kärcher RVM 4 Comfort Extra
What Spotless 2 does better (4) and where RVM 4 Comfort Extra wins (2) — every spec side by side.
vs
9.1Cleaning power7.6
5.8Navigation8.6
6.0Mopping7.9
8.0Base station6.8
7.8Battery6.6
Dimensions
Size comparison
Spotless 2RVM 4 Comfort Extra
| Spotless 2 | RVM 4 Comfort Extra | Difference | |
|---|---|---|---|
| Height | 101 mm | 100 mm | +1 mm |
| Width / diameter | 353 mm | 350 mm | +3 mm |
| Length | 353 mm | 350 mm | +3 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is Spotless 2 better than RVM 4 Comfort Extra?
- Suction power25,000 Pa vs 15,000 Pa+67%
- Runtime180 min vs 160 min+12%
- Clean water tank (dock)4 l vs 2.5 l+60%
- Dust bag (dock)3 l vs 2.3 l+30%
Why is RVM 4 Comfort Extra better than Spotless 2?
- Obstacle avoidanceBasic sensors (infrared / bumper) vs AI camera
- Charging time270 min vs 230 min+17%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 25,000 Pa | 15,000 Pa |
| Dustbin (robot) | 300 ml | — |
| Main brush | Single main brush | Single main brush |
| Anti-tangle brush | Yes | — |
| Side brushes | 1 | 1 |
| Carpet detection | Yes | Yes |
| Noise level | — | 66 dB |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS), Wall sensor, Cliff sensors | LiDAR laser (LDS), Wall sensor, Cliff sensors, Ultrasonic sensor |
| Obstacle avoidance | Basic sensors (infrared / bumper) | AI camera |
| Threshold climbing | 20 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 | Yes |
| Mop lift height | 9 mm | — |
| Extending mop (edges) | Yes | Yes |
| Water tank (robot) | 55 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) | 3 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) | 4 l | 2.5 l |
| Dirty water tank (dock) | 4 l | 3 l |
| Battery & runtime | ||
| Battery capacity | 5,300 mAh | 5,200 mAh |
| Runtime | 180 min | 160 min |
| Charging time | 270 min | 230 min |
| Size & weight | ||
| Width / diameter | 353 mm | 350 mm |
| Length | 353 mm | 350 mm |
| Height | 101 mm | 100 mm |
| Weight | — | 3.8 kg |
| Shape | Round | Round |
| Colours | White | White |
| App & smart home | ||
| App control | Yes | Yes |
