Why is Watch 101 better than Fit 21?
- AMOLED / OLED displayYes · Fit 21: No
- Screen size1.8″ vs 1.54″+17%
- Battery capacity300 mAh vs 220 mAh+36%
Why is Fit 21 better than Watch 101?
Fit 21 has no measurable advantages in this pair.
Specifications
Side by side
| Design & durability | ||
| Thickness | — | 12 mm |
| Strap material | Silikon | — |
| Water rating (maker) | — | 1 m |
| Colours | Black | Black |
| Display | ||
| Screen size | 1.8″ | 1.54″ |
| Display technology | AMOLED | — |
| Panel | AMOLED | Farbdisplay |
| AMOLED / OLED display | Yes | No |
| Resolution (width) | — | 240 px |
| Resolution (height) | — | 240 px |
| Battery | ||
| Battery life (smartwatch mode) | 7 days | — |
| Battery capacity | 300 mAh | 220 mAh |
| Battery type | — | Li-Ion |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | — |
| ECG | — | Yes |
| Sleep tracking | — | Yes |
| Sensors | heart rate, SpO2, accelerometer | heart rate, accelerometer |
| Sports & navigation | ||
| Built-in GPS | Yes | — |
| Satellite systems | GPS | — |
| Connectivity | ||
| Bluetooth | 5.3 | 5 |
| Platform | ||
| Works with | — | iOS, Android |
