4.0Build & durability9.8
Dimensions
Size comparison
Watch 4 ProJ888
| Watch 4 Pro | J888 | Difference | |
|---|---|---|---|
| Case size | 46.4 mm | 45 mm | +1.4 mm |
| Thickness | 11.4 mm | 14 mm | −2.6 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is Watch 4 Pro better than J888?
- Thickness11.4 mm vs 14 mm+23%
Why is J888 better than Watch 4 Pro?
- Water resistance5 ATM vs 20 ATM4×
Specifications
Side by side
| Design & durability | ||
| Case size | 46 mm | 45 mm |
| Weight | 50 g | — |
| Thickness | 11.4 mm | 14 mm |
| Height | 46.4 mm | — |
| Width | 46.4 mm | — |
| Case material | Stainless steel | Stainless steel |
| Sapphire crystal | — | Yes |
| Lens / cover glass | — | Saphirglas Saphirglas |
| Strap material | — | Edelstahl |
| Water resistance | 5 ATM | 20 ATM |
| Water rating (maker) | — | 200 m / 20 bar / 20 ATM |
| Colours | Black, Silver, Gold | Silver |
| Display | ||
| Screen size | 1.5″ | — |
| Display technology | AMOLED | — |
| Panel | LTPO AMOLED | — |
| AMOLED / OLED display | Yes | — |
| Resolution (width) | 464 px | — |
| Resolution (height) | 464 px | — |
| Pixel density | 310 ppi | — |
| LTPO display | Yes | — |
| Refresh rate | 60 Hz | — |
| Battery | ||
| Battery capacity | 480 mAh | — |
| Battery type | Li-Po | — |
| Wireless charging | Yes | — |
| Health sensors | ||
| Optical heart rate | Yes | — |
| Blood oxygen (SpO2) | Yes | — |
| Sensors | Accelerometer, gyro, heart rate, barometer, compass, SpO2 | accelerometer |
| Sports & navigation | ||
| Built-in GPS | Yes | — |
| Satellite systems | GLONASS, GALILEO, BDS, QZSS | — |
| Barometric altimeter | Yes | — |
| Compass | Yes | — |
| Connectivity | ||
| NFC payments | Yes | — |
| LTE (cellular) | Yes | — |
| eSIM | Yes | — |
| Bluetooth | 5.2 | 5 |
| Smart features | ||
| Speaker | Yes | — |
| Platform | ||
| Operating system | MagicOS 7.2 | — |
| Platform | Proprietary | — |
| Works with | — | iOS, Android |
