Dimensions
Size comparison
GT3GTR 3 Pro
| GT3 | GTR 3 Pro | Difference | |
|---|---|---|---|
| Case size | 48.2 mm | 45 mm | +3.2 mm |
| Thickness | 13.4 mm | 10.7 mm | +2.7 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is GT3 better than GTR 3 Pro?
- Screen size1.96″ vs 1.43″+37%
- Battery capacity530 mAh vs 260 mAh2×
Why is GTR 3 Pro better than GT3?
- Thickness13.4 mm vs 10.7 mm+25%
- Resolution (width)410 px vs 466 px+14%
Specifications
Side by side
| Design & durability | ||
| Case size | 59 mm | 45 mm |
| Weight | 57 g | — |
| Thickness | 13.4 mm | 10.7 mm |
| Height | 59.3 mm | — |
| Width | 48.2 mm | — |
| Case material | — | Plastic / polymer |
| Strap material | — | Silikon |
| Water resistance | 5 ATM | — |
| Colours | Black, Gray | — |
| Display | ||
| Screen size | 1.96″ | 1.43″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Resolution (width) | 410 px | 466 px |
| Resolution (height) | 502 px | 466 px |
| Pixel density | 331 ppi | — |
| Refresh rate | 60 Hz | — |
| Battery | ||
| Battery life (smartwatch mode) | — | 7 days |
| Battery capacity | 530 mAh | 260 mAh |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Sensors | Accelerometer, gyro, barometer, compass, heart rate, SpO2 | heart rate, SpO2, accelerometer |
| Sports & navigation | ||
| Built-in GPS | Yes | — |
| Dual-band GPS | Yes | — |
| Barometric altimeter | Yes | — |
| Compass | Yes | — |
| Connectivity | ||
| NFC payments | No | — |
| LTE (cellular) | No | — |
| eSIM | No | — |
| Bluetooth | 5.3 | 5.2 |
| Smart features | ||
| Speaker | Yes | — |
| Platform | ||
| Operating system | Proprietary OS | — |
| Platform | Proprietary | — |
| Works with | — | iOS, Android |
