Dimensions
Size comparison
Watch X5A3
| Watch X5 | A3 | Difference | |
|---|---|---|---|
| Case size | 40.2 mm | 45.2 mm | −5 mm |
| Thickness | 10 mm | 11.6 mm | −1.6 mm |
| Weight | 29 g | 45 g | −16 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Watch X5 better than A3?
- Water resistance5 ATM vs 2 ATM2.5×
- Weight29 g vs 45 g+55%
- Screen size1.97″ vs 1.39″+42%
- Battery capacity360 mAh vs 300 mAh+20%
- Thickness10 mm vs 11.6 mm+16%
- Resolution (width)390 px vs 360 px+8%
Why is A3 better than Watch X5?
A3 has no measurable advantages in this pair.
Specifications
Side by side
| Design & durability | ||
| Case size | 46 mm | 45 mm |
| Weight | 29 g | 45 g |
| Thickness | 10 mm | 11.6 mm |
| Height | 45.7 mm | — |
| Width | 40.2 mm | — |
| Case material | Aluminium | — |
| Water resistance | 5 ATM | 2 ATM |
| Ingress protection | IP68 | — |
| Water resistance (IPx) | IPx8 | — |
| Colours | Black, White | — |
| Display | ||
| Screen size | 1.97″ | 1.39″ |
| Display technology | AMOLED | — |
| Panel | AMOLED | — |
| AMOLED / OLED display | Yes | — |
| Resolution (width) | 390 px | 360 px |
| Resolution (height) | 450 px | 360 px |
| Pixel density | 302 ppi | — |
| Refresh rate | 60 Hz | — |
| Battery | ||
| Battery life (smartwatch mode) | — | 8 days |
| Battery capacity | 360 mAh | 300 mAh |
| Battery type | Li-Ion | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Sleep tracking | — | Yes |
| Sensors | Accelerometer, gyro, barometer, compass, heart rate, SpO2 | — |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Satellite systems | GLONASS, GALILEO, BDS, QZSS | — |
| Barometric altimeter | Yes | Yes |
| Compass | Yes | Yes |
| Connectivity | ||
| NFC payments | Yes | — |
| LTE (cellular) | No | — |
| eSIM | No | — |
| Bluetooth | 5.3 | — |
| Smart features | ||
| Calls from the wrist | — | Yes |
| Speaker | Yes | — |
| Platform | ||
| Operating system | Proprietary OS | — |
| Platform | Proprietary | — |
| Works with | — | Android, iOS |









