2.2Display2.3
2.5Smart features2.5
Dimensions
Size comparison
C9Smartwatch 7
| C9 | Smartwatch 7 | Difference | |
|---|---|---|---|
| Height | 43 mm | 50 mm | −7 mm |
| Width | 43 mm | 45 mm | −2 mm |
| Thickness | 10 mm | 9.6 mm | +0.4 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is C9 better than Smartwatch 7?
- Battery capacity210 mAh vs 130 mAh+62%
- Water resistance (IPx)IPx8 vs IPx7+14%
Why is Smartwatch 7 better than C9?
- Thickness10 mm vs 9.6 mm+4%
Specifications
Side by side
| Design & durability | ||
| Case size | 43 mm | 50 mm |
| Weight | — | 35 g |
| Thickness | 10 mm | 9.6 mm |
| Height | 43 mm | 50 mm |
| Width | 43 mm | 45 mm |
| Lens / cover glass | Scratch-resistant glass | — |
| Ingress protection | IP68 | IP67 |
| Water resistance (IPx) | IPx8 | IPx7 |
| Colours | Black, Blue, Pink | Teal Green, Mimi Pink, Matte Black |
| Display | ||
| Screen size | 1.28″ | 1.3″ |
| Display technology | LCD | LCD |
| Panel | IPS LCD | TFT LCD |
| AMOLED / OLED display | No | No |
| Resolution (width) | 240 px | 240 px |
| Resolution (height) | 240 px | 240 px |
| Pixel density | 265 ppi | 261 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery capacity | 210 mAh | 130 mAh |
| Battery type | — | Li-Ion |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | — | Yes |
| Sensors | Accelerometer, gyro, heart rate | Accelerometer, heart rate, SpO2 |
| Sports & navigation | ||
| Built-in GPS | No | No |
| Connectivity | ||
| NFC payments | No | No |
| LTE (cellular) | No | No |
| eSIM | No | No |
| Bluetooth | 5 | 4 |
| Smart features | ||
| Speaker | No | No |
| Platform | ||
| Operating system | Proprietary OS | Proprietary OS |
| Platform | Proprietary | Proprietary |
