Dimensions
Size comparison
401 Round402
| 401 Round | 402 | Difference | |
|---|---|---|---|
| Case size | 12 mm | 46 mm | −34 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is 401 Round better than 402?
401 Round has no measurable advantages in this pair.
Why is 402 better than 401 Round?
402 has no measurable advantages in this pair.
Specifications
Side by side
| Design & durability | ||
| Case size | 12 mm | 46 mm |
| Strap material | Silikon | Silikon |
| Colours | Silver, Black | Black |
| Display | ||
| Screen size | 1.43″ | 1.43″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Resolution (width) | 466 px | 466 px |
| Resolution (height) | 466 px | 466 px |
| Battery | ||
| Battery life (smartwatch mode) | 7 days | — |
| Battery capacity | 300 mAh | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Sensors | heart rate, accelerometer | heart rate, accelerometer |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Satellite systems | GPS | GPS |
| Dive mode | Yes | — |
| Connectivity | ||
| Bluetooth | 5.3 | 5.3 |
| Platform | ||
| Works with | iOS, Android | iOS, Android |
