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- F9 Pro vs X21 SW
Dreame F9 Pro vs Medion X21 SW
What F9 Pro does better (3) and where X21 SW wins (4) — every spec side by side.
Dimensions
Size comparison
F9 ProX21 SW
| F9 Pro | X21 SW | Difference | |
|---|---|---|---|
| Height | 97 mm | 93 mm | +4 mm |
| Width / diameter | 350 mm | 320 mm | +30 mm |
| Length | 350 mm | 320 mm | +30 mm |
| Weight | 3.4 kg | 3 kg | +0.4 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is F9 Pro better than X21 SW?
- Dustbin (robot)570 ml vs 250 ml2.3×
- Cleaning area per charge160 m² vs 120 m²+33%
- Noise level65 dB vs 68 dB+5%
Why is X21 SW better than F9 Pro?
- Base stationCharging dock vs Auto-empty dock
- Suction power2,500 Pa vs 3,000 Pa+20%
- Height97 mm vs 93 mm+4%
- Water tank (robot)237 ml vs 250 ml+5%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 2,500 Pa | 3,000 Pa |
| Dustbin (robot) | 570 ml | 250 ml |
| Main brush | Single main brush | Single main brush |
| Side brushes | 1 | 2 |
| Carpet detection | Yes | Yes |
| HEPA filter | Yes | Yes |
| Noise level | 65 dB | 68 dB |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS), Gyroscope | LiDAR laser (LDS), Wall sensor, Cliff sensors |
| Obstacle avoidance | Basic sensors (infrared / bumper) | Basic sensors (infrared / bumper) |
| Threshold climbing | — | 18 mm |
| No-go zones / virtual walls | Yes | Yes |
| Room mapping & room selection | Yes | Yes |
| Mopping | ||
| Mop type | Mop pad | Mop pad |
| Water tank (robot) | 237 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 | 150 min | 150 min |
| Charging time | 300 min | 300 min |
| Cleaning area per charge | 160 m² | 120 m² |
| Size & weight | ||
| Width / diameter | 350 mm | 320 mm |
| Length | 350 mm | 320 mm |
| Height | 97 mm | 93 mm |
| Weight | 3.4 kg | 3 kg |
| Shape | Round | Round |
| Colours | White | White, Silver |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant | Amazon Alexa |
