vs
2.7Display2.3
9.4Health tracking4.9
Why is Pro 2 2023 better than FW51?
- Screen size1.3″ vs 1.09″+19%
- Battery capacity230 mAh vs 130 mAh+77%
Why is FW51 better than Pro 2 2023?
- Battery life (smartwatch mode)5 days vs 7 days+40%
Specifications
Side by side
| Design & durability | ||
| Case size | 46 mm | — |
| Thickness | 11 mm | — |
| Case material | Stainless steel | — |
| Colours | — | Black |
| Display | ||
| Screen size | 1.3″ | 1.09″ |
| Panel | IPS | IPS |
| AMOLED / OLED display | No | No |
| Touchscreen | — | Yes |
| Resolution (width) | — | 240 px |
| Resolution (height) | — | 240 px |
| Battery | ||
| Battery life (smartwatch mode) | 5 days | 7 days |
| Battery capacity | 230 mAh | 130 mAh |
| Battery type | — | Li-Po |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| ECG | Yes | — |
| Skin temperature | Yes | — |
| Sleep tracking | Yes | Yes |
| Sensors | heart rate, SpO2 | heart rate, SpO2 |
| Connectivity | ||
| Bluetooth | 5.1 | — |
| Platform | ||
| Chipset | — | Realtek RTK8762DK |
