Dimensions
Size comparison
C20 ProX1
| C20 Pro | X1 | Difference | |
|---|---|---|---|
| Height | 54 mm | 52.7 mm | +1.3 mm |
| Width | 43 mm | 44.5 mm | −1.5 mm |
| Thickness | 12.9 mm | 14.2 mm | −1.3 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is C20 Pro better than X1?
- Thickness12.9 mm vs 14.2 mm+10%
Why is X1 better than C20 Pro?
- AMOLED / OLED displayNo · C20 Pro: Yes
- Battery capacity380 mAh vs 850 mAh2.2×
- SpeakerNo · C20 Pro: Yes
- Screen size1.81″ vs 2.13″+18%
- Resolution (width)240 px vs 410 px+71%
- Pixel density206 ppi vs 304 ppi+48%
Specifications
Side by side
| Design & durability | ||
| Case size | 54 mm | 53 mm |
| Thickness | 12.9 mm | 14.2 mm |
| Height | 54 mm | 52.7 mm |
| Width | 43 mm | 44.5 mm |
| Lens / cover glass | — | Tempered glass |
| Water resistance | — | 2 ATM |
| Ingress protection | IP68 | — |
| Water resistance (IPx) | IPx8 | — |
| Colours | Gray, Orange | Gray |
| Display | ||
| Screen size | 1.81″ | 2.13″ |
| Display technology | LCD | AMOLED |
| Panel | TFT LCD | AMOLED |
| AMOLED / OLED display | No | Yes |
| Resolution (width) | 240 px | 410 px |
| Resolution (height) | 286 px | 502 px |
| Pixel density | 206 ppi | 304 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery capacity | 380 mAh | 850 mAh |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Sensors | Accelerometer, heart rate, SpO2, blood pressure | Accelerometer, heart rate, SpO2, blood pressure, barometer, compass |
| Sports & navigation | ||
| Built-in GPS | No | No |
| Barometric altimeter | — | Yes |
| Compass | — | Yes |
| Connectivity | ||
| NFC payments | No | No |
| LTE (cellular) | No | No |
| eSIM | No | No |
| Bluetooth | 5 | 5.2 |
| Smart features | ||
| Speaker | No | Yes |
| Platform | ||
| Operating system | Proprietary OS | Proprietary OS |
| Platform | Proprietary | Proprietary |
