vs
4.9Health tracking4.9
Dimensions
Size comparison
C4CMF Watch Pro
| C4 | CMF Watch Pro | Difference | |
|---|---|---|---|
| Case size | 51 mm | 39.9 mm | +11.1 mm |
| Thickness | 9.8 mm | 11.4 mm | −1.6 mm |
| Weight | 45 g | 31 g | +14 g |
Drawn to the same scale from the official dimensions (front and side).
Why is C4 better than CMF Watch Pro?
- Screen size2.01″ vs 1.96″+3%
- Thickness9.8 mm vs 11.4 mm+16%
Why is CMF Watch Pro better than C4?
- Weight45 g vs 31.1 g+45%
- Resolution (width)296 px vs 410 px+39%
- Battery capacity300 mAh vs 340 mAh+13%
Specifications
Side by side
| Design & durability | ||
| Case size | 51 mm | 47 mm |
| Weight | 45 g | 31.1 g |
| Thickness | 9.8 mm | 11.4 mm |
| Height | — | 46.9 mm |
| Width | — | 39.9 mm |
| Case material | — | Aluminium |
| Water resistance | 2 ATM | — |
| Colours | — | Dark Gray, Ash Gray, Metallic Gray |
| Display | ||
| Screen size | 2.01″ | 1.96″ |
| Display technology | — | AMOLED |
| Panel | — | AMOLED |
| AMOLED / OLED display | — | Yes |
| Resolution (width) | 296 px | 410 px |
| Resolution (height) | 240 px | 502 px |
| Pixel density | — | 331 ppi |
| Peak brightness | — | 600 nits |
| Refresh rate | — | 60 Hz |
| Battery | ||
| Battery life (smartwatch mode) | 10 days | — |
| Battery capacity | 300 mAh | 340 mAh |
| Battery type | — | Li-Ion |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Sleep tracking | Yes | — |
| Sensors | — | Accelerometer, gyro, heart rate, SpO2 |
| Sports & navigation | ||
| Built-in GPS | — | Yes |
| Satellite systems | — | GLONASS, GALILEO, BDS, QZSS |
| Connectivity | ||
| NFC payments | — | No |
| LTE (cellular) | — | No |
| eSIM | — | No |
| Bluetooth | — | 5.3 |
| Smart features | ||
| Calls from the wrist | Yes | — |
| Speaker | — | Yes |
| Platform | ||
| Works with | Android, iOS | — |









