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- RCV 3 vs X20 SW+
Kärcher RCV 3 vs Medion X20 SW+
What RCV 3 does better (2) and where X20 SW+ wins (4) — every spec side by side.
Dimensions
Size comparison
RCV 3X20 SW+
| RCV 3 | X20 SW+ | Difference | |
|---|---|---|---|
| Height | 94 mm | 93 mm | +1 mm |
| Width / diameter | 350 mm | 320 mm | +30 mm |
| Length | 350 mm | 320 mm | +30 mm |
| Weight | 3.7 kg | 3 kg | +0.7 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is RCV 3 better than X20 SW+?
- Charging time230 min vs 300 min+30%
- Dustbin (robot)300 ml vs 250 ml+20%
Why is X20 SW+ better than RCV 3?
- Base stationCharging dock vs Auto-empty dock
- Runtime120 min vs 150 min+25%
- Suction power2,500 Pa vs 3,000 Pa+20%
- Water tank (robot)170 ml vs 250 ml+47%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 2,500 Pa | 3,000 Pa |
| Dustbin (robot) | 300 ml | 250 ml |
| Main brush | Single main brush | — |
| Side brushes | 1 | 2 |
| Carpet detection | — | Yes |
| HEPA filter | — | Yes |
| Noise level | 67 dB | 68 dB |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS), Cliff sensors | LiDAR laser (LDS), Wall sensor, Cliff sensors |
| Obstacle avoidance | Basic sensors (infrared / bumper) | Basic sensors (infrared / bumper) |
| Threshold climbing | 18 mm | 18 mm |
| No-go zones / virtual walls | Yes | Yes |
| Room mapping & room selection | Yes | Yes |
| Mopping | ||
| Water tank (robot) | 170 ml | 250 ml |
| Base station | ||
| Base station | Charging dock | Auto-empty dock |
| Auto-empty dust station | — | Yes |
| Dust bag (dock) | — | 2.5 l |
| Battery & runtime | ||
| Battery capacity | 3,200 mAh | 3,200 mAh |
| Runtime | 120 min | 150 min |
| Charging time | 230 min | 300 min |
| Cleaning area per charge | 85 m² | — |
| Size & weight | ||
| Width / diameter | 350 mm | 320 mm |
| Length | 350 mm | 320 mm |
| Height | 94 mm | 93 mm |
| Weight | 3.7 kg | 3 kg |
| Shape | Round | Round |
| Colours | White, Yellow | White, Black |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | — | Amazon Alexa, Google Assistant |
