vs
4.9Health tracking4.9
Dimensions
Size comparison
FW66 Iron RSeries 29 AMOLED Smart Calling Watch
| FW66 Iron R | Series 29 AMOLED Smart Calling Watch | Difference | |
|---|---|---|---|
| Case size | 45 mm | 51 mm | −6 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is FW66 Iron R better than Series 29 AMOLED Smart Calling Watch?
FW66 Iron R has no measurable advantages in this pair.
Why is Series 29 AMOLED Smart Calling Watch better than FW66 Iron R?
Series 29 AMOLED Smart Calling Watch has no measurable advantages in this pair.
Specifications
Side by side
| Design & durability | ||
| Case size | 45 mm | 51 mm |
| Weight | 56 g | — |
| Thickness | 11 mm | — |
| Height | 51 mm | — |
| Width | 45 mm | — |
| Lens / cover glass | 2.5D-Glas Kristallglas | — |
| Strap material | Edelstahl, Silikon | Silikon |
| Colours | Black | Blue, Black |
| Display | ||
| Screen size | 1.43″ | — |
| 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 | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Sleep tracking | Yes | — |
| Sensors | heart rate, SpO2 | SpO2 |
| Sports & navigation | ||
| Built-in GPS | — | Yes |
| Satellite systems | — | GPS |
| Connectivity | ||
| LTE (cellular) | No | — |
| Bluetooth | — | 5.1 |
| Smart features | ||
| Music on the watch | Yes | — |
| Storage | 128 GB | — |
| Platform | ||
| Works with | — | iOS, Android |
| Chipset | RTL8763E | — |
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