2.1Display5.9
3.9Smart features9.0
Why is U2 better than Watch X3 Mini?
U2 has no measurable advantages in this pair.
Why is Watch X3 Mini better than U2?
- Built-in GPSNo · U2: Yes
- AMOLED / OLED displayNo · U2: Yes
- NFC paymentsNo · U2: Yes
- LTE (cellular)No · U2: Yes
- eSIMNo · U2: Yes
- Resolution (width)240 px vs 466 px+94%
- Pixel density269 ppi vs 499 ppi+86%
- Screen size1.26″ vs 1.32″+5%
- Battery capacity220 mAh vs 354 mAh+61%
Specifications
Side by side
| Design & durability | ||
| Case size | — | 43 mm |
| Weight | — | 40.4 g |
| Thickness | — | 11.2 mm |
| Height | — | 43.2 mm |
| Width | — | 43.2 mm |
| Case material | — | Stainless steel |
| Sapphire crystal | — | Yes |
| Lens / cover glass | — | Sapphire crystal glass |
| Water resistance | — | 5 ATM |
| Ingress protection | IP68 | IP68 |
| Water resistance (IPx) | IPx8 | IPx8 |
| Colours | Black, Silver, Pink | High-gloss Gold, Starlight Silver, Mocha Brown |
| Display | ||
| Screen size | 1.26″ | 1.32″ |
| Display technology | LCD | AMOLED |
| Panel | TFT | AMOLED |
| AMOLED / OLED display | No | Yes |
| Resolution (width) | 240 px | 466 px |
| Resolution (height) | 240 px | 466 px |
| Pixel density | 269 ppi | 499 ppi |
| Peak brightness | — | 1,000 nits |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery capacity | 220 mAh | 354 mAh |
| Battery type | — | Li-Po |
| Wireless charging | — | No |
| Charged in 30 min | — | 50% |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | — | Yes |
| Skin temperature | — | Yes |
| Temperature sensor | — | Yes |
| Sensors | Accelerometer, heart rate | Accelerometer, gyro, barometer, compass, heart rate, SpO2, thermometer (skin temperature) |
| Sports & navigation | ||
| Built-in GPS | No | Yes |
| Satellite systems | — | GLONASS, GALILEO, BDS, QZSS |
| Barometric altimeter | — | Yes |
| Compass | — | Yes |
| Connectivity | ||
| NFC payments | No | Yes |
| LTE (cellular) | No | Yes |
| eSIM | No | Yes |
| Wi-Fi | — | Wi-Fi 4 |
| Bluetooth | 5.4 | 5.2 |
| Smart features | ||
| Speaker | Yes | Yes |
| Platform | ||
| Operating system | Proprietary OS | ColorOS Watch 16.0 |
| Platform | Proprietary | Proprietary |
| Chipset | — | Qualcomm Snapdragon W5 |
