Dimensions
Size comparison
C3C7
| C3 | C7 | Difference | |
|---|---|---|---|
| Height | 46 mm | 44 mm | +2 mm |
| Width | 46 mm | 44 mm | +2 mm |
| Thickness | 14.8 mm | 12 mm | +2.8 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is C3 better than C7?
- Pixel density261 ppi vs 220 ppi+19%
Why is C7 better than C3?
- Screen size1.3″ vs 1.54″+18%
- Thickness14.8 mm vs 12 mm+23%
Specifications
Side by side
| Design & durability | ||
| Case size | 46 mm | 44 mm |
| Weight | — | 34 g |
| Thickness | 14.8 mm | 12 mm |
| Height | 46 mm | 44 mm |
| Width | 46 mm | 44 mm |
| Lens / cover glass | Scratch-resistant glass | Scratch-resistant glass |
| Water resistance | 5 ATM | — |
| Ingress protection | IP68 | IP68 |
| Water resistance (IPx) | IPx8 | IPx8 |
| Colours | Black, Gray | Black, Pink |
| Display | ||
| Screen size | 1.3″ | 1.54″ |
| Display technology | LCD | LCD |
| Panel | TFT LCD | IPS LCD |
| AMOLED / OLED display | No | No |
| Resolution (width) | 240 px | 240 px |
| Resolution (height) | 240 px | 240 px |
| Pixel density | 261 ppi | 220 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery capacity | 260 mAh | 260 mAh |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Sensors | Accelerometer, gyro, heart rate | Accelerometer, gyro, heart rate |
| Sports & navigation | ||
| Built-in GPS | No | No |
| Connectivity | ||
| NFC payments | No | No |
| LTE (cellular) | No | No |
| eSIM | No | No |
| Bluetooth | 5.1 | 5 |
| Smart features | ||
| Speaker | No | No |
| Platform | ||
| Operating system | Proprietary OS | Proprietary OS |
| Platform | Proprietary | Proprietary |
