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- D20 Ultra vs X55 SW+
Dreame D20 Ultra vs Medion X55 SW+
What D20 Ultra does better (6) and where X55 SW+ wins (2) — every spec side by side.
Dimensions
Size comparison
D20 UltraX55 SW+
| D20 Ultra | X55 SW+ | Difference | |
|---|---|---|---|
| Height | 104 mm | 100 mm | +4 mm |
| Width / diameter | 350 mm | 350 mm | = |
| Length | 350 mm | 350 mm | = |
| Weight | 3.9 kg | 3.9 kg | = |
Drawn to the same scale from the official dimensions (front and side).
Why is D20 Ultra better than X55 SW+?
- Suction power13,000 Pa vs 10,000 Pa+30%
- Runtime230 min vs 225 min+2%
- Mop lift height10.5 mm vs 10 mm+5%
- Noise level65 dB vs 80 dB+23%
- Clean water tank (dock)4.5 l vs 4 l+12%
- Dustbin (robot)320 ml vs 300 ml+7%
Why is X55 SW+ better than D20 Ultra?
- Height104 mm vs 100 mm+4%
- Dust bag (dock)3.2 l vs 3.5 l+9%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 13,000 Pa | 10,000 Pa |
| Dustbin (robot) | 320 ml | 300 ml |
| Main brush | Single main brush | Single main brush |
| Side brushes | 1 | 1 |
| Carpet detection | Yes | Yes |
| HEPA filter | Yes | Yes |
| Noise level | 65 dB | 80 dB |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS), Wall sensor, Cliff sensors, Ultrasonic sensor | LiDAR laser (LDS), Wall sensor |
| 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 | Rotating mop pads | Rotating mop pads |
| Mop lifting on carpets | Yes | Yes |
| Mop lift height | 10.5 mm | 10 mm |
| Water tank (robot) | — | 220 ml |
| Base station | ||
| Base station | All-in-one dock (empty + wash) | All-in-one dock (empty + wash) |
| Auto-empty dust station | Yes | Yes |
| Dust bag (dock) | 3.2 l | 3.5 l |
| Mop washing in the dock | Yes | Yes |
| Hot-air mop drying | Yes | Yes |
| Automatic water refill | Yes | Yes |
| Clean water tank (dock) | 4.5 l | 4 l |
| Dirty water tank (dock) | 4 l | 3.5 l |
| Battery & runtime | ||
| Battery capacity | 5,200 mAh | — |
| Runtime | 230 min | 225 min |
| Charging time | 210 min | — |
| Recharge & resume | Yes | — |
| Size & weight | ||
| Width / diameter | 350 mm | 350 mm |
| Length | 350 mm | 350 mm |
| Height | 104 mm | 100 mm |
| Weight | 3.9 kg | 3.9 kg |
| Shape | Round | Round |
| Colours | White | White, Grey |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant | Amazon Alexa, Google Assistant |
