Why is Wach 7020 better than FW51?
- AMOLED / OLED displayYes · FW51: No
- Battery capacity300 mAh vs 130 mAh2.3×
- Screen size1.32″ vs 1.09″+21%
- Resolution (width)466 px vs 240 px+94%
Why is FW51 better than Wach 7020?
- Battery life (smartwatch mode)6 days vs 7 days+17%
Specifications
Side by side
| Design & durability | ||
| Case size | 43 mm | — |
| Case material | Plastic / polymer | — |
| Strap material | Silikon | — |
| Water resistance | 3 ATM | — |
| Water rating (maker) | 30 m / 3 bar / 3 ATM | — |
| Colours | Gold | Black |
| Display | ||
| Screen size | 1.32″ | 1.09″ |
| Display technology | AMOLED | — |
| Panel | Farbdisplay | IPS |
| AMOLED / OLED display | Yes | No |
| Touchscreen | — | Yes |
| Resolution (width) | 466 px | 240 px |
| Resolution (height) | 466 px | 240 px |
| Battery | ||
| Battery life (smartwatch mode) | 6 days | 7 days |
| Battery capacity | 300 mAh | 130 mAh |
| Battery type | Li-Po | Li-Po |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| ECG | Yes | — |
| Sleep tracking | Yes | Yes |
| Sensors | heart rate, SpO2, accelerometer | heart rate, SpO2 |
| Sports & navigation | ||
| Built-in GPS | Yes | — |
| Satellite systems | GPS, GLONASS, GALILEO, BDS | — |
| Connectivity | ||
| Bluetooth | 5.3 | — |
| Smart features | ||
| Voice assistant | Yes | — |
| Platform | ||
| Works with | iOS, Android | — |
| Chipset | — | Realtek RTK8762DK |
