Why is C21 better than 5010?
C21 has no measurable advantages in this pair.
Why is 5010 better than C21?
- Screen size1.32″ vs 1.38″+5%
Specifications
Side by side
| Design & durability | ||
| Case size | 46 mm | — |
| Thickness | 13 mm | — |
| Height | 46.5 mm | — |
| Width | 46.5 mm | — |
| Lens / cover glass | Corning Gorilla Glass | — |
| Strap material | — | Silikon |
| Ingress protection | IP68 | — |
| Water resistance (IPx) | IPx8 | — |
| Colours | Black, Silver | Silver |
| Display | ||
| Screen size | 1.32″ | 1.38″ |
| Display technology | LCD | LCD |
| Panel | TFT LCD | LCD |
| AMOLED / OLED display | No | No |
| Resolution (width) | 360 px | — |
| Resolution (height) | 360 px | — |
| Pixel density | 386 ppi | — |
| Refresh rate | 60 Hz | — |
| Battery | ||
| Battery life (smartwatch mode) | — | 7 days |
| Battery life (hours) | — | 168 h |
| Battery capacity | 300 mAh | 300 mAh |
| Battery type | — | Li-Po |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Sleep tracking | — | Yes |
| Sensors | Accelerometer, heart rate, SpO2, blood pressure | — |
| Sports & navigation | ||
| Built-in GPS | No | — |
| Connectivity | ||
| NFC payments | No | — |
| LTE (cellular) | No | — |
| eSIM | No | — |
| Bluetooth | 5 | 5.3 |
| Smart features | ||
| Speaker | No | — |
| Platform | ||
| Operating system | Proprietary OS | — |
| Platform | Proprietary | — |
