Why is U1 better than GTS 3 Pro?
- Battery capacity300 mAh vs 260 mAh+15%
Why is GTS 3 Pro better than U1?
- AMOLED / OLED displayNo · U1: Yes
- Resolution (width)240 px vs 415 px+73%
- Screen size1.93″ vs 1.97″+2%
- Thickness11.4 mm vs 10.5 mm+9%
Specifications
Side by side
| Design & durability | ||
| Case size | 50 mm | — |
| Weight | 43.8 g | — |
| Thickness | 11.4 mm | 10.5 mm |
| Height | 49.8 mm | — |
| Width | 42.4 mm | — |
| Case material | — | Plastic / polymer |
| Strap material | — | Silikon |
| Water resistance | 1 ATM | — |
| Colours | Black, Pink | — |
| Display | ||
| Screen size | 1.93″ | 1.97″ |
| Display technology | LCD | AMOLED |
| Panel | TFT LCD | AMOLED |
| AMOLED / OLED display | No | Yes |
| Resolution (width) | 240 px | 415 px |
| Resolution (height) | 288 px | 505 px |
| Pixel density | 194 ppi | — |
| Refresh rate | 60 Hz | — |
| Battery | ||
| Battery life (smartwatch mode) | — | 7 days |
| Battery capacity | 300 mAh | 260 mAh |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Sensors | Accelerometer, gyro, heart rate, SpO2 | heart rate, SpO2, accelerometer |
| Sports & navigation | ||
| Built-in GPS | No | — |
| Connectivity | ||
| NFC payments | No | — |
| LTE (cellular) | No | — |
| eSIM | No | — |
| Bluetooth | 5.4 | 5.2 |
| Smart features | ||
| Speaker | Yes | — |
| Platform | ||
| Operating system | Proprietary OS | — |
| Platform | Proprietary | — |
| Works with | — | iOS, Android |
