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- RCF 3 vs RVF 7 Comfort
Kärcher RCF 3 vs Kärcher RVF 7 Comfort
What RCF 3 does better (3) and where RVF 7 Comfort wins (5) — every spec side by side.
vs
3.3Navigation7.5
6.9Mopping9.6
5.5Base station7.8
4.7Battery6.2
Dimensions
Size comparison
RCF 3RVF 7 Comfort
| RCF 3 | RVF 7 Comfort | Difference | |
|---|---|---|---|
| Height | 120 mm | 105 mm | +15 mm |
| Width / diameter | 340 mm | 360 mm | −20 mm |
| Length | 340 mm | 360 mm | −20 mm |
| Weight | 4.5 kg | 5.6 kg | −1.1 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is RCF 3 better than RVF 7 Comfort?
- Water tank (robot)430 ml vs 130 ml3.3×
- Charging time180 min vs 230 min+28%
- Dustbin (robot)300 ml vs 250 ml+20%
Why is RVF 7 Comfort better than RCF 3?
- Obstacle avoidanceBasic sensors (infrared / bumper) vs AI camera
- Base stationCharging dock vs All-in-one dock (empty + wash)
- Runtime120 min vs 150 min+25%
- Threshold climbing15 mm vs 18 mm+20%
- Height120 mm vs 105 mm+14%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | — | 13,000 Pa |
| Dustbin (robot) | 300 ml | 250 ml |
| Main brush | — | Single main brush |
| Anti-tangle brush | — | Yes |
| Side brushes | — | 2 |
| Carpet detection | Yes | Yes |
| Dirt detection | — | Yes |
| Noise level | — | 67 dB |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS), Cliff sensors, Ultrasonic sensor | LiDAR laser (LDS), Wall sensor, Cliff sensors |
| Obstacle avoidance | Basic sensors (infrared / bumper) | AI camera |
| Threshold climbing | 15 mm | 18 mm |
| No-go zones / virtual walls | Yes | — |
| Room mapping & room selection | Yes | Yes |
| Mopping | ||
| Mop type | Roller mop | Roller mop |
| Mop lifting on carpets | — | Yes |
| Water tank (robot) | 430 ml | 130 ml |
| Base station | ||
| Base station | Charging dock | All-in-one dock (empty + wash) |
| Auto-empty dust station | — | Yes |
| Dust bag (dock) | — | 4 l |
| Mop washing in the dock | — | Yes |
| Hot-water mop washing | — | Yes |
| Hot-air mop drying | — | Yes |
| Automatic water refill | — | Yes |
| Clean water tank (dock) | — | 3 l |
| Dirty water tank (dock) | — | 2.4 l |
| Battery & runtime | ||
| Battery capacity | 5,200 mAh | 5,200 mAh |
| Runtime | 120 min | 150 min |
| Charging time | 180 min | 230 min |
| Cleaning area per charge | 80 m² | — |
| Size & weight | ||
| Width / diameter | 340 mm | 360 mm |
| Length | 340 mm | 360 mm |
| Height | 120 mm | 105 mm |
| Weight | 4.5 kg | 5.6 kg |
| Shape | Round | Round |
| Colours | White, Black | White, Black |
| App & smart home | ||
| App control | Yes | Yes |
| Live camera view / video call | — | Yes |
