Why is Watch 102 better than RS4 Plus?
- Screen size1.83″ vs 1.78″+3%
- Battery capacity250 mAh vs 230 mAh+9%
Why is RS4 Plus better than Watch 102?
RS4 Plus has no measurable advantages in this pair.
Specifications
Side by side
| Design & durability | ||
| Weight | — | 49 g |
| Thickness | — | 11 mm |
| Strap material | Silikon | Silikon |
| Colours | Black | — |
| Display | ||
| Screen size | 1.83″ | 1.78″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Resolution (width) | — | 368 px |
| Resolution (height) | — | 448 px |
| Battery | ||
| Battery life (smartwatch mode) | 4 days | — |
| Battery capacity | 250 mAh | 230 mAh |
| Battery type | — | Li-Po |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | — |
| Sleep tracking | — | Yes |
| Sensors | heart rate, SpO2, accelerometer | heart rate |
| Sports & navigation | ||
| Built-in GPS | Yes | — |
| Satellite systems | GPS | — |
| Connectivity | ||
| Bluetooth | 5.3 | 5.1 |
| Platform | ||
| Works with | — | iOS |








