vs
5.2Display4.5
4.9Health tracking4.9
3.8Smart features3.8
Dimensions
Size comparison
CMF Watch Pro 2Watch S2
| CMF Watch Pro 2 | Watch S2 | Difference | |
|---|---|---|---|
| Height | 45 mm | 46.5 mm | −1.5 mm |
| Width | 45 mm | 46.5 mm | −1.5 mm |
| Thickness | 13.6 mm | 11 mm | +2.6 mm |
| Weight | 44 g | 41 g | +3 g |
Drawn to the same scale from the official dimensions (front and side).
Why is CMF Watch Pro 2 better than Watch S2?
- Peak brightness620 nits vs 600 nits+3%
- Pixel density353 ppi vs 326 ppi+8%
Why is Watch S2 better than CMF Watch Pro 2?
- Screen size1.32″ vs 1.43″+8%
- Weight44.4 g vs 41 g+8%
- Battery capacity305 mAh vs 380 mAh+25%
- Thickness13.6 mm vs 11 mm+24%
Specifications
Side by side
| Design & durability | ||
| Case size | 45 mm | 46 mm |
| Weight | 44.4 g | 41 g |
| Thickness | 13.6 mm | 11 mm |
| Height | 45 mm | 46.5 mm |
| Width | 45 mm | 46.5 mm |
| Case material | Aluminium | — |
| Lens / cover glass | — | Scratch-resistant glass |
| Water resistance | — | 5 ATM |
| Ingress protection | IP68 | IP68 |
| Water resistance (IPx) | IPx8 | IPx8 |
| Colours | Dark Grey Curved, Dark Grey Flat, Ash Grey Curved, Ash Grey Flat | Gray, Silver |
| Display | ||
| Screen size | 1.32″ | 1.43″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Always-on display | Yes | — |
| Touchscreen | Yes | — |
| Resolution (width) | 466 px | 466 px |
| Resolution (height) | 466 px | 466 px |
| Pixel density | 353 ppi | 326 ppi |
| Peak brightness | 620 nits | 600 nits |
| Refresh rate | 160 Hz | 60 Hz |
| Battery | ||
| Battery life (smartwatch mode) | 9 days | — |
| Battery capacity | 305 mAh | 380 mAh |
| Battery type | Li-Ion | — |
| Wireless charging | — | No |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| ECG | Yes | — |
| Sensors | Accelerometer, gyro, heart rate, SpO2 | Accelerometer, heart rate, SpO2 |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Satellite systems | GLONASS, GALILEO, BDS, QZSS | — |
| Connectivity | ||
| NFC payments | No | No |
| LTE (cellular) | No | No |
| eSIM | No | No |
| Bluetooth | 5.3 | — |
| Smart features | ||
| Speaker | Yes | Yes |
| Platform | ||
| Operating system | CMF Watch App | — |
| Platform | Proprietary | — |
| Works with | iOS, Android | — |









