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- X21 SW vs Q7 L5+
Medion X21 SW vs Roborock Q7 L5+
What X21 SW does better (2) and where Q7 L5+ wins (5) — every spec side by side.
Dimensions
Size comparison
X21 SWQ7 L5+
| X21 SW | Q7 L5+ | Difference | |
|---|---|---|---|
| Height | 93 mm | 99 mm | −6 mm |
| Width / diameter | 320 mm | 325 mm | −5 mm |
| Length | 320 mm | 325 mm | −5 mm |
| Weight | 3 kg | 4.7 kg | −1.7 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is X21 SW better than Q7 L5+?
- Height93 mm vs 99 mm+6%
- Dustbin (robot)250 ml vs 200 ml+25%
Why is Q7 L5+ better than X21 SW?
- Suction power3,000 Pa vs 8,000 Pa2.7×
- Threshold climbing18 mm vs 20 mm+11%
- Noise level68 dB vs 60 dB+13%
- Water tank (robot)250 ml vs 280 ml+12%
- Dust bag (dock)2.5 l vs 2.7 l+8%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 3,000 Pa | 8,000 Pa |
| Dustbin (robot) | 250 ml | 200 ml |
| Main brush | Single main brush | Single main brush |
| Anti-tangle brush | — | Yes |
| Side brushes | 2 | 1 |
| Carpet detection | Yes | Yes |
| HEPA filter | Yes | — |
| Noise level | 68 dB | 60 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 | 20 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 | 280 ml |
| Base station | ||
| Base station | Auto-empty dock | Auto-empty dock |
| Auto-empty dust station | Yes | Yes |
| Dust bag (dock) | 2.5 l | 2.7 l |
| Battery & runtime | ||
| Battery capacity | 3,200 mAh | 3,200 mAh |
| Runtime | 150 min | 150 min |
| Charging time | 300 min | — |
| Cleaning area per charge | 120 m² | — |
| Size & weight | ||
| Width / diameter | 320 mm | 325 mm |
| Length | 320 mm | 325 mm |
| Height | 93 mm | 99 mm |
| Weight | 3 kg | 4.7 kg |
| Shape | Round | Round |
| Colours | White, Silver | Black |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | — | Amazon Alexa, Google Assistant |
