Why is Fit 21 better than Fit 1.0?
Fit 21 has no measurable advantages in this pair.
Why is Fit 1.0 better than Fit 21?
- AMOLED / OLED displayNo · Fit 21: Yes
- Screen size1.54″ vs 1.78″+16%
- Resolution (width)240 px vs 368 px+53%
Specifications
Side by side
| Design & durability | ||
| Thickness | 12 mm | 12 mm |
| Case material | — | Aluminium |
| Lens / cover glass | — | Mineralglas Mineralglas |
| Strap material | — | Silikon |
| Water resistance | — | 3 ATM |
| Water rating (maker) | 1 m | 30 m / 3 bar / 3 ATM |
| Colours | Black | Black |
| Display | ||
| Screen size | 1.54″ | 1.78″ |
| Display technology | — | AMOLED |
| Panel | Farbdisplay | AMOLED |
| AMOLED / OLED display | No | Yes |
| Resolution (width) | 240 px | 368 px |
| Resolution (height) | 240 px | 448 px |
| Battery | ||
| Battery life (smartwatch mode) | — | 5 days |
| Battery capacity | 220 mAh | — |
| Battery type | Li-Ion | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | — | Yes |
| ECG | Yes | — |
| Sleep tracking | Yes | Yes |
| Sensors | heart rate, accelerometer | heart rate, SpO2, accelerometer |
| Sports & navigation | ||
| Built-in GPS | — | Yes |
| Satellite systems | — | GPS |
| Connectivity | ||
| Bluetooth | 5 | 5 |
| Platform | ||
| Operating system | — | Proprietär |
| Platform | — | Proprietary |
| Works with | iOS, Android | iOS, Android |
