vs
9.1Display9.8
Dimensions
Size comparison
FW66 Iron RSeries 45 Smartwatch AMOLED
| FW66 Iron R | Series 45 Smartwatch AMOLED | Difference | |
|---|---|---|---|
| Case size | 45 mm | 46 mm | −1 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is FW66 Iron R better than Series 45 Smartwatch AMOLED?
FW66 Iron R has no measurable advantages in this pair.
Why is Series 45 Smartwatch AMOLED better than FW66 Iron R?
- LTE (cellular)No · FW66 Iron R: Yes
- Screen size1.43″ vs 2.2″+54%
Specifications
Side by side
| Design & durability | ||
| Case size | 45 mm | 46 mm |
| Weight | 56 g | — |
| Thickness | 11 mm | — |
| Height | 51 mm | — |
| Width | 45 mm | — |
| Case material | — | Aluminium |
| Lens / cover glass | 2.5D-Glas Kristallglas | Mineralglas Mineralglas |
| Strap material | Edelstahl, Silikon | Silikon |
| Colours | Black | Black |
| Display | ||
| Screen size | 1.43″ | 2.2″ |
| 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) | 14 days | — |
| Battery capacity | 300 mAh | — |
| Health sensors | ||
| Optical heart rate | Yes | — |
| Blood oxygen (SpO2) | Yes | — |
| Sleep tracking | Yes | — |
| Sensors | heart rate, SpO2 | barometer |
| Sports & navigation | ||
| Built-in GPS | — | Yes |
| Satellite systems | — | GPS |
| Barometric altimeter | — | Yes |
| Compass | — | Yes |
| Connectivity | ||
| LTE (cellular) | No | Yes |
| Smart features | ||
| Music on the watch | Yes | — |
| Storage | 128 GB | — |
| Platform | ||
| Works with | — | iOS, Android |
| Chipset | RTL8763E | — |
