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- X21 SW vs Tapo RV20 Max
Medion X21 SW vs TP-Link Tapo RV20 Max
What X21 SW does better (2) and where Tapo RV20 Max wins (7) — every spec side by side.
vs
2.3Cleaning power5.2
3.0Navigation6.8
3.9Mopping4.7
4.2Battery5.3
Dimensions
Size comparison
X21 SWTapo RV20 Max
| X21 SW | Tapo RV20 Max | Difference | |
|---|---|---|---|
| Height | 93 mm | 83 mm | +10 mm |
| Width / diameter | 320 mm | 330 mm | −10 mm |
| Length | 320 mm | 330 mm | −10 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is X21 SW better than Tapo RV20 Max?
- Base stationAuto-empty dock vs Charging dock
- Battery capacity3,200 mAh vs 2,600 mAh+23%
Why is Tapo RV20 Max better than X21 SW?
- Suction power3,000 Pa vs 5,300 Pa+77%
- Runtime150 min vs 180 min+20%
- Threshold climbing18 mm vs 22 mm+22%
- Height93 mm vs 83 mm+12%
- Noise level68 dB vs 55 dB+24%
- Dustbin (robot)250 ml vs 300 ml+20%
- Water tank (robot)250 ml vs 300 ml+20%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 3,000 Pa | 5,300 Pa |
| Dustbin (robot) | 250 ml | 300 ml |
| Main brush | Single main brush | Single main brush |
| Side brushes | 2 | 1 |
| Carpet detection | Yes | — |
| HEPA filter | Yes | Yes |
| Noise level | 68 dB | 55 dB |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS), Wall sensor, Cliff sensors | LiDAR laser (LDS), Cliff sensors |
| Obstacle avoidance | Basic sensors (infrared / bumper) | Basic sensors (infrared / bumper) |
| Threshold climbing | 18 mm | 22 mm |
| No-go zones / virtual walls | Yes | Yes |
| Room mapping & room selection | Yes | Yes |
| Mopping | ||
| Mop type | Mop pad | Mop pad |
| Water tank (robot) | 250 ml | 300 ml |
| Base station | ||
| Base station | Auto-empty dock | Charging dock |
| Auto-empty dust station | Yes | — |
| Dust bag (dock) | 2.5 l | — |
| Battery & runtime | ||
| Battery capacity | 3,200 mAh | 2,600 mAh |
| Runtime | 150 min | 180 min |
| Charging time | 300 min | — |
| Cleaning area per charge | 120 m² | — |
| Recharge & resume | — | Yes |
| Size & weight | ||
| Width / diameter | 320 mm | 330 mm |
| Length | 320 mm | 330 mm |
| Height | 93 mm | 83 mm |
| Weight | 3 kg | — |
| Shape | Round | Round |
| Colours | White, Silver | Black |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | — | Amazon Alexa, Google Assistant |
