Dimensions
Size comparison
Watch 3Pro 3
| Watch 3 | Pro 3 | Difference | |
|---|---|---|---|
| Case size | 37 mm | 45 mm | −8 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is Watch 3 better than Pro 3?
- Screen size1.75″ vs 1.4″+25%
Why is Pro 3 better than Watch 3?
Pro 3 has no measurable advantages in this pair.
Specifications
Side by side
| Design & durability | ||
| Case size | 43 mm | 45 mm |
| Weight | 31.9 g | — |
| Thickness | 11.7 mm | — |
| Height | 43 mm | — |
| Width | 37 mm | — |
| Case material | Aluminium | — |
| Strap material | — | Silikon |
| Water resistance | 5 ATM | — |
| Colours | Black, Gold | Black |
| Display | ||
| Screen size | 1.75″ | 1.4″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Resolution (width) | 372 px | — |
| Resolution (height) | 430 px | — |
| Pixel density | 326 ppi | — |
| Refresh rate | 60 Hz | — |
| Battery | ||
| Battery life (smartwatch mode) | — | 3 days |
| Battery capacity | 400 mAh | — |
| Battery type | Li-Ion | Li-Ion |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Sleep tracking | — | Yes |
| Sensors | Accelerometer, gyro, heart rate, compass, barometer, SpO2 | heart rate, SpO2 |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Satellite systems | GLONASS, GALILEO, BDS, QZSS | GPS |
| Barometric altimeter | Yes | — |
| Compass | Yes | — |
| Connectivity | ||
| NFC payments | Yes | — |
| LTE (cellular) | Yes | Yes |
| eSIM | Yes | — |
| Bluetooth | 5 | — |
| Smart features | ||
| Speaker | Yes | — |
| Storage | 32 GB | — |
| RAM | 1 GB | 1 GB |
| Platform | ||
| Operating system | Android Wear OS - International ColorOS Watch 3.0 - China | Android Wear |
| Platform | Android | Proprietary |
| Chipset | Qualcomm Snapdragon W5+ Gen 1 | Qualcomm Snapdragon Wear 4100 |
