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- ExVac 680S vs X21 SW
Mamibot ExVac 680S vs Medion X21 SW
What ExVac 680S does better (5) and where X21 SW wins (7) — every spec side by side.
vs
3.2Cleaning power2.3
2.5Navigation3.0
5.3Mopping3.9
3.5Base station5.4
3.6Battery4.2
Dimensions
Size comparison
ExVac 680SX21 SW
| ExVac 680S | X21 SW | Difference | |
|---|---|---|---|
| Height | 81 mm | 93 mm | −12 mm |
| Width / diameter | 330 mm | 320 mm | +10 mm |
| Length | 330 mm | 320 mm | +10 mm |
| Weight | 3 kg | 3 kg | = |
Drawn to the same scale from the official dimensions (front and side).
Why is ExVac 680S better than X21 SW?
- Obstacle avoidanceAI camera vs Basic sensors (infrared / bumper)
- Dustbin (robot)600 ml vs 250 ml2.4×
- Height81 mm vs 93 mm+15%
- Water tank (robot)370 ml vs 250 ml+48%
- Charging time240 min vs 300 min+25%
Why is X21 SW better than ExVac 680S?
- NavigationCamera (vSLAM) vs Laser (LiDAR)
- Base stationCharging dock vs Auto-empty dock
- Runtime120 min vs 150 min+25%
- Suction power2,880 Pa vs 3,000 Pa+4%
- Battery capacity2,600 mAh vs 3,200 mAh+23%
- Threshold climbing15 mm vs 18 mm+20%
- Noise level70 dB vs 68 dB+3%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 2,880 Pa | 3,000 Pa |
| Dustbin (robot) | 600 ml | 250 ml |
| Main brush | Single main brush | Single main brush |
| Side brushes | 2 | 2 |
| Carpet detection | — | Yes |
| HEPA filter | Yes | Yes |
| Noise level | 70 dB | 68 dB |
| Navigation & obstacles | ||
| Navigation | Camera (vSLAM) | Laser (LiDAR) |
| Navigation sensors | vSLAM camera, Gyroscope, Cliff sensors | LiDAR laser (LDS), Wall sensor, Cliff sensors |
| Obstacle avoidance | AI camera | Basic sensors (infrared / bumper) |
| Threshold climbing | 15 mm | 18 mm |
| No-go zones / virtual walls | — | Yes |
| Room mapping & room selection | Yes | Yes |
| Mopping | ||
| Mop type | Mop pad | Mop pad |
| Water tank (robot) | 370 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 | 2,600 mAh | 3,200 mAh |
| Runtime | 120 min | 150 min |
| Charging time | 240 min | 300 min |
| Cleaning area per charge | — | 120 m² |
| Size & weight | ||
| Width / diameter | 330 mm | 320 mm |
| Length | 330 mm | 320 mm |
| Height | 81 mm | 93 mm |
| Weight | 3 kg | 3 kg |
| Shape | Round | Round |
| Colours | Black | White, Silver |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant | Amazon Alexa |
