Why is FW51 better than Halo?
FW51 has no measurable advantages in this pair.
Why is Halo better than FW51?
- AMOLED / OLED displayNo · FW51: Yes
- Battery capacity130 mAh vs 300 mAh2.3×
- Screen size1.09″ vs 1.43″+31%
- Resolution (width)240 px vs 466 px+94%
Specifications
Side by side
| Design & durability | ||
| Case size | — | 42 mm |
| Thickness | — | 10 mm |
| Strap material | — | Leder |
| Colours | Black | — |
| Display | ||
| Screen size | 1.09″ | 1.43″ |
| Display technology | — | AMOLED |
| Panel | IPS | AMOLED |
| AMOLED / OLED display | No | Yes |
| Always-on display | — | Yes |
| Touchscreen | Yes | — |
| Resolution (width) | 240 px | 466 px |
| Resolution (height) | 240 px | 466 px |
| Battery | ||
| Battery life (smartwatch mode) | 7 days | 7 days |
| Battery capacity | 130 mAh | 300 mAh |
| Battery type | Li-Po | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | — |
| Sleep tracking | Yes | — |
| Sensors | heart rate, SpO2 | — |
| Connectivity | ||
| Bluetooth | — | 5.3 |
| Platform | ||
| Chipset | Realtek RTK8762DK | — |
