Dimensions
Size comparison
301501
| 301 | 501 | Difference | |
|---|---|---|---|
| Case size | 41 mm | 46 mm | −5 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is 301 better than 501?
301 has no measurable advantages in this pair.
Why is 501 better than 301?
- Battery capacity300 mAh vs 340 mAh+13%
Specifications
Side by side
| Design & durability | ||
| Case size | 41 mm | 46 mm |
| Strap material | Silikon | Gummi |
| Colours | Black | Black |
| Display | ||
| Screen size | 1.45″ | 1.43″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Battery | ||
| Battery capacity | 300 mAh | 340 mAh |
| Battery type | Li-Ion | — |
| Health sensors | ||
| Optical heart rate | Yes | — |
| Blood oxygen (SpO2) | Yes | — |
| Sensors | heart rate, accelerometer | — |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Satellite systems | GPS | GPS |
| Dive mode | Yes | — |
| Connectivity | ||
| Bluetooth | 5.3 | 5.2 |
| Smart features | ||
| Voice assistant | Yes | — |
| Platform | ||
| Works with | iOS, Android | Android |









