Why is U3 better than Watch GT2?
U3 has no measurable advantages in this pair.
Why is Watch GT2 better than U3?
- Built-in GPSNo · U3: Yes
- NFC paymentsNo · U3: Yes
- Battery capacity300 mAh vs 595 mAh+98%
- Screen size1.83″ vs 2.07″+13%
Specifications
Side by side
| Design & durability | ||
| Case material | — | Aluminium |
| Ingress protection | IP68 | — |
| Water resistance (IPx) | IPx8 | — |
| Colours | Black, Silver, Pink | Black |
| Display | ||
| Screen size | 1.83″ | 2.07″ |
| Display technology | LCD | — |
| Panel | TFT | — |
| AMOLED / OLED display | No | — |
| Resolution (width) | 240 px | — |
| Resolution (height) | 284 px | — |
| Pixel density | 203 ppi | — |
| Refresh rate | 60 Hz | — |
| Battery | ||
| Battery capacity | 300 mAh | 595 mAh |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | — | Yes |
| Sensors | Accelerometer, heart rate | heart rate, SpO2 |
| Sports & navigation | ||
| Built-in GPS | No | Yes |
| Satellite systems | — | GPS |
| Connectivity | ||
| NFC payments | No | Yes |
| LTE (cellular) | No | — |
| eSIM | No | — |
| Wi-Fi | — | Wi-Fi 1 |
| Bluetooth | 5.4 | — |
| Smart features | ||
| Speaker | Yes | — |
| Platform | ||
| Operating system | Proprietary OS | — |
| Platform | Proprietary | — |
| Works with | — | iOS, Android |
