vs
9.4Display9.1
Why is Watch 2 better than FW66 Iron R?
- Weight31.5 g vs 56 g+78%
- Battery capacity530 mAh vs 300 mAh+77%
- Screen size1.5″ vs 1.43″+5%
- Resolution (width)480 px vs 466 px+3%
Why is FW66 Iron R better than Watch 2?
FW66 Iron R has no measurable advantages in this pair.
Specifications
Side by side
| Design & durability | ||
| Case size | — | 45 mm |
| Weight | 31.5 g | 56 g |
| Thickness | — | 11 mm |
| Height | — | 51 mm |
| Width | — | 45 mm |
| Lens / cover glass | — | 2.5D-Glas Kristallglas |
| Strap material | — | Edelstahl, Silikon |
| Colours | Black | Black |
| Display | ||
| Screen size | 1.5″ | 1.43″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Resolution (width) | 480 px | 466 px |
| Resolution (height) | 480 px | 466 px |
| Battery | ||
| Battery life (smartwatch mode) | — | 14 days |
| Battery capacity | 530 mAh | 300 mAh |
| Battery type | Li-Ion | — |
| Health sensors | ||
| Optical heart rate | — | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Sleep tracking | — | Yes |
| Sensors | — | heart rate, SpO2 |
| Sports & navigation | ||
| Built-in GPS | Yes | — |
| Satellite systems | GPS | — |
| Connectivity | ||
| LTE (cellular) | — | No |
| Bluetooth | 5.3 | — |
| Smart features | ||
| Music on the watch | — | Yes |
| Storage | — | 128 GB |
| Platform | ||
| Works with | iOS, Android | — |
| Chipset | — | RTL8763E |
