Dimensions
Size comparison
BT50Watch 5
| BT50 | Watch 5 | Difference | |
|---|---|---|---|
| Height | 51.2 mm | 45 mm | +6.2 mm |
| Width | 51.2 mm | 45 mm | +6.2 mm |
| Thickness | 13 mm | 11.4 mm | +1.6 mm |
| Weight | 76 g | 32 g | +44 g |
Drawn to the same scale from the official dimensions (front and side).
Why is BT50 better than Watch 5?
- SpeakerYes · Watch 5: No
Why is Watch 5 better than BT50?
- Built-in GPSNo · BT50: Yes
- Water resistance1 ATM vs 5 ATM5×
- Peak brightness600 nits vs 1,500 nits2.5×
- Weight76 g vs 32 g2.4×
- NFC paymentsNo · BT50: Yes
- LTE (cellular)No · BT50: Yes
- eSIMNo · BT50: Yes
- Battery capacity400 mAh vs 505 mAh+26%
- Thickness13 mm vs 11.4 mm+14%
Specifications
Side by side
| Design & durability | ||
| Case size | 51 mm | 45 mm |
| Weight | 76 g | 32 g |
| Thickness | 13 mm | 11.4 mm |
| Height | 51.2 mm | 45 mm |
| Width | 51.2 mm | 45 mm |
| Case material | — | Stainless steel |
| Water resistance | 1 ATM | 5 ATM |
| Ingress protection | IP68 | — |
| Water resistance (IPx) | IPx8 | — |
| Colours | Silver, Gray | Black, White, Stainless steel silver |
| Display | ||
| Screen size | 1.43″ | 1.43″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Resolution (width) | 466 px | 466 px |
| Resolution (height) | 466 px | 466 px |
| Pixel density | 326 ppi | 326 ppi |
| Peak brightness | 600 nits | 1,500 nits |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery capacity | 400 mAh | 505 mAh |
| Battery type | Li-Po | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Sensors | Accelerometer, heart rate, SpO2 | Accelerometer, gyro, heart rate, compass, SpO2 |
| Sports & navigation | ||
| Built-in GPS | No | Yes |
| Satellite systems | — | GLONASS, GALILEO, BDS, QZSS |
| Compass | — | Yes |
| Connectivity | ||
| NFC payments | No | Yes |
| LTE (cellular) | No | Yes |
| eSIM | No | Yes |
| Bluetooth | 5.2 | 5.4 |
| Smart features | ||
| Speaker | Yes | No |
| Platform | ||
| Operating system | Proprietary OS | Blue OS 2 |
| Platform | Proprietary | Proprietary |









