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- X21 SW vs Q8 Max
Medion X21 SW vs Proscenic Q8 Max
What X21 SW does better (3) and where Q8 Max wins (6) — every spec side by side.
Dimensions
Size comparison
X21 SWQ8 Max
| X21 SW | Q8 Max | Difference | |
|---|---|---|---|
| Height | 93 mm | 97 mm | −4 mm |
| Width / diameter | 320 mm | 320 mm | = |
| Length | 320 mm | 320 mm | = |
| Weight | 3 kg | 2.8 kg | +0.2 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is X21 SW better than Q8 Max?
- Threshold climbing18 mm vs 15 mm+20%
- Height93 mm vs 97 mm+4%
- Dust bag (dock)2.5 l vs 2 l+25%
Why is Q8 Max better than X21 SW?
- Suction power3,000 Pa vs 4,200 Pa+40%
- Runtime150 min vs 200 min+33%
- Cleaning area per charge120 m² vs 230 m²+92%
- Dustbin (robot)250 ml vs 350 ml+40%
- Charging time300 min vs 240 min+25%
- Noise level68 dB vs 65 dB+5%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 3,000 Pa | 4,200 Pa |
| Dustbin (robot) | 250 ml | 350 ml |
| Main brush | Single main brush | Single main brush |
| Side brushes | 2 | 1 |
| Carpet detection | Yes | Yes |
| HEPA filter | Yes | Yes |
| Noise level | 68 dB | 65 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 | 15 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 | 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 l |
| Automatic water refill | — | Yes |
| Battery & runtime | ||
| Battery capacity | 3,200 mAh | 3,200 mAh |
| Runtime | 150 min | 200 min |
| Charging time | 300 min | 240 min |
| Cleaning area per charge | 120 m² | 230 m² |
| Size & weight | ||
| Width / diameter | 320 mm | 320 mm |
| Length | 320 mm | 320 mm |
| Height | 93 mm | 97 mm |
| Weight | 3 kg | 2.8 kg |
| Shape | Round | Round |
| Colours | White, Silver | Black |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | — | Amazon Alexa, Google Assistant, Apple Siri |
