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- D9 Plus vs MD 20021
Dreame D9 Plus vs Medion MD 20021
What D9 Plus does better (2) and where MD 20021 wins (4) — every spec side by side.
Dimensions
Size comparison
D9 PlusMD 20021
| D9 Plus | MD 20021 | Difference | |
|---|---|---|---|
| Height | 95 mm | 80 mm | +15 mm |
| Width / diameter | 335 mm | 350 mm | −15 mm |
| Length | 335 mm | 350 mm | −15 mm |
| Weight | 3.8 kg | 3.4 kg | +0.4 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is D9 Plus better than MD 20021?
- Base stationAuto-empty dock vs Charging dock
- Runtime150 min vs 140 min+7%
Why is MD 20021 better than D9 Plus?
- Suction power2,500 Pa vs 2,800 Pa+12%
- Height95 mm vs 80 mm+19%
- Dustbin (robot)400 ml vs 600 ml+50%
- Charging time360 min vs 240 min+50%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 2,500 Pa | 2,800 Pa |
| Dustbin (robot) | 400 ml | 600 ml |
| Main brush | Single main brush | Single main brush |
| Side brushes | 1 | 2 |
| Carpet detection | Yes | — |
| HEPA filter | Yes | — |
| Noise level | 60 dB | — |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | — |
| Navigation sensors | LiDAR laser (LDS) | Cliff sensors |
| Obstacle avoidance | Basic sensors (infrared / bumper) | Basic sensors (infrared / bumper) |
| Threshold climbing | 20 mm | — |
| Room mapping & room selection | Yes | — |
| Mopping | ||
| Mop type | Mop pad | Mop pad |
| Water tank (robot) | 150 ml | — |
| Base station | ||
| Base station | Auto-empty dock | Charging dock |
| Auto-empty dust station | Yes | — |
| Dust bag (dock) | 2.5 l | — |
| Battery & runtime | ||
| Battery capacity | 5,000 mAh | — |
| Runtime | 150 min | 140 min |
| Charging time | 360 min | 240 min |
| Cleaning area per charge | 200 m² | — |
| Size & weight | ||
| Width / diameter | 335 mm | 350 mm |
| Length | 335 mm | 350 mm |
| Height | 95 mm | 80 mm |
| Weight | 3.8 kg | 3.4 kg |
| Shape | Round | Round |
| Colours | White | White |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa | Amazon Alexa, Google Assistant |
