vs
4.9Health tracking4.9
Dimensions
Size comparison
A3CMF Watch Pro 3
| A3 | CMF Watch Pro 3 | Difference | |
|---|---|---|---|
| Case size | 45.2 mm | 47 mm | −1.8 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is A3 better than CMF Watch Pro 3?
A3 has no measurable advantages in this pair.
Why is CMF Watch Pro 3 better than A3?
- Battery life (smartwatch mode)8 days vs 10 days+25%
- Screen size1.39″ vs 1.43″+3%
- Resolution (width)360 px vs 466 px+29%
- Battery capacity300 mAh vs 350 mAh+17%
Specifications
Side by side
| Design & durability | ||
| Case size | 45 mm | 47 mm |
| Weight | 45 g | — |
| Thickness | 11.6 mm | — |
| Case material | — | Aluminium |
| Strap material | — | Silikon |
| Water resistance | 2 ATM | — |
| Display | ||
| Screen size | 1.39″ | 1.43″ |
| Display technology | — | AMOLED |
| Panel | — | AMOLED |
| AMOLED / OLED display | — | Yes |
| Always-on display | — | Yes |
| Touchscreen | — | Yes |
| Resolution (width) | 360 px | 466 px |
| Resolution (height) | 360 px | 466 px |
| Battery | ||
| Battery life (smartwatch mode) | 8 days | 10 days |
| Battery capacity | 300 mAh | 350 mAh |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| ECG | — | Yes |
| Sleep tracking | Yes | — |
| Sensors | — | heart rate, SpO2, accelerometer, ambient light |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Satellite systems | — | GPS, GLONASS, GALILEO, BDS |
| Barometric altimeter | Yes | — |
| Compass | Yes | — |
| Connectivity | ||
| Bluetooth | — | 5.3 |
| Smart features | ||
| Calls from the wrist | Yes | — |
| Platform | ||
| Operating system | — | CMF Watch App |
| Platform | — | Proprietary |
| Works with | Android, iOS | iOS, Android |









