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- X20 SW+ vs X21 SW
Medion X20 SW+ vs Medion X21 SW
What X20 SW+ does better (0) and where X21 SW wins (0) — every spec side by side.
Dimensions
Size comparison
X20 SW+X21 SW
| X20 SW+ | X21 SW | Difference | |
|---|---|---|---|
| Height | 93 mm | 93 mm | = |
| Width / diameter | 320 mm | 320 mm | = |
| Length | 320 mm | 320 mm | = |
| Weight | 3 kg | 3 kg | = |
Drawn to the same scale from the official dimensions (front and side).
Why is X20 SW+ better than X21 SW?
X20 SW+ has no measurable advantages in this pair.
Why is X21 SW better than X20 SW+?
X21 SW has no measurable advantages in this pair.
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 3,000 Pa | 3,000 Pa |
| Dustbin (robot) | 250 ml | 250 ml |
| Main brush | — | Single main brush |
| Side brushes | 2 | 2 |
| Carpet detection | Yes | Yes |
| HEPA filter | Yes | Yes |
| Noise level | 68 dB | 68 dB |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS), Wall sensor, 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 | ||
| Mop type | — | Mop pad |
| Water tank (robot) | 250 ml | 250 ml |
| Base station | ||
| Base station | Auto-empty dock | Auto-empty dock |
| Auto-empty dust station | Yes | Yes |
| Dust bag (dock) | 2.5 l | 2.5 l |
| Battery & runtime | ||
| Battery capacity | 3,200 mAh | 3,200 mAh |
| Runtime | 150 min | 150 min |
| Charging time | 300 min | 300 min |
| Cleaning area per charge | — | 120 m² |
| Size & weight | ||
| Width / diameter | 320 mm | 320 mm |
| Length | 320 mm | 320 mm |
| Height | 93 mm | 93 mm |
| Weight | 3 kg | 3 kg |
| Shape | Round | Round |
| Colours | White, Black | White, Silver |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant | Amazon Alexa |
