Why is U3 better than Watch P1?
- Water resistance (IPx)IPx8 vs IPx7+14%
Why is Watch P1 better than U3?
Watch P1 has no measurable advantages in this pair.
Specifications
Side by side
| Design & durability | ||
| Case size | — | 46 mm |
| Weight | — | 40 g |
| Thickness | — | 11.2 mm |
| Height | — | 45.5 mm |
| Width | — | 37.9 mm |
| Ingress protection | IP68 | IP67 |
| Water resistance (IPx) | IPx8 | IPx7 |
| Colours | Black, Silver, Pink | Black, Silver |
| Display | ||
| Screen size | 1.83″ | 1.83″ |
| Display technology | LCD | LCD |
| Panel | TFT | IPS LCD |
| AMOLED / OLED display | No | No |
| Resolution (width) | 240 px | 240 px |
| Resolution (height) | 284 px | 284 px |
| Pixel density | 203 ppi | 203 ppi |
| Peak brightness | — | 550 nits |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery capacity | 300 mAh | — |
| Battery type | — | Li-Po |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | — | Yes |
| Sensors | Accelerometer, heart rate | Accelerometer, heart rate, SpO2 |
| Sports & navigation | ||
| Built-in GPS | No | No |
| Connectivity | ||
| NFC payments | No | No |
| LTE (cellular) | No | No |
| eSIM | No | No |
| Bluetooth | 5.4 | — |
| Smart features | ||
| Speaker | Yes | Yes |
| Platform | ||
| Operating system | Proprietary OS | RTOS OS |
| Platform | Proprietary | Proprietary |









