Why is Watch 102 better than GTS 4?
Watch 102 has no measurable advantages in this pair.
Why is GTS 4 better than Watch 102?
- Battery life (smartwatch mode)4 days vs 7 days+75%
- Screen size1.83″ vs 1.94″+6%
- Battery capacity250 mAh vs 260 mAh+4%
Specifications
Side by side
| Design & durability | ||
| Case size | — | 47 mm |
| Thickness | — | 8.7 mm |
| Case material | — | Plastic / polymer |
| Strap material | Silikon | Silikon |
| Colours | Black | — |
| Display | ||
| Screen size | 1.83″ | 1.94″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Resolution (width) | — | 466 px |
| Resolution (height) | — | 466 px |
| Battery | ||
| Battery life (smartwatch mode) | 4 days | 7 days |
| Battery capacity | 250 mAh | 260 mAh |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Sleep tracking | — | Yes |
| Sensors | heart rate, SpO2, accelerometer | heart rate, SpO2, accelerometer |
| Sports & navigation | ||
| Built-in GPS | Yes | — |
| Satellite systems | GPS | — |
| Connectivity | ||
| Bluetooth | 5.3 | 5.2 |
| Platform | ||
| Works with | — | iOS, Android |
