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- D20 vs X42 SW+
Dreame D20 vs Medion X42 SW+
What D20 does better (3) and where X42 SW+ wins (1) — every spec side by side.
Dimensions
Size comparison
D20X42 SW+
| D20 | X42 SW+ | Difference | |
|---|---|---|---|
| Height | 97 mm | 98 mm | −1 mm |
| Width / diameter | 350 mm | 350 mm | = |
| Length | 350 mm | 350 mm | = |
| Weight | 3.5 kg | 3.2 kg | +0.3 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is D20 better than X42 SW+?
- Suction power13,000 Pa vs 8,000 Pa+62%
- Runtime285 min vs 240 min+19%
- Dustbin (robot)700 ml vs 300 ml2.3×
Why is X42 SW+ better than D20?
- Base stationCharging dock vs Auto-empty dock
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 13,000 Pa | 8,000 Pa |
| Dustbin (robot) | 700 ml | 300 ml |
| Main brush | Dual main brushes | Single main brush |
| Anti-tangle brush | Yes | — |
| Side brushes | 1 | 1 |
| Carpet detection | — | Yes |
| HEPA filter | — | Yes |
| Noise level | 74 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 | 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) | 350 ml | — |
| Base station | ||
| Base station | Charging dock | Auto-empty dock |
| Auto-empty dust station | — | Yes |
| Dust bag (dock) | — | 3 l |
| Battery & runtime | ||
| Battery capacity | 5,200 mAh | 5,200 mAh |
| Runtime | 285 min | 240 min |
| Charging time | 360 min | — |
| Size & weight | ||
| Width / diameter | 350 mm | 350 mm |
| Length | 350 mm | 350 mm |
| Height | 97 mm | 98 mm |
| Weight | 3.5 kg | 3.2 kg |
| Shape | Round | Round |
| Colours | Black | White |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant, Apple Siri | — |
