Dimensions
Size comparison
Watch 3Pro 3
| Watch 3 | Pro 3 | Difference | |
|---|---|---|---|
| Case size | 46.2 mm | 45 mm | +1.2 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is Watch 3 better than Pro 3?
- Screen size1.43″ vs 1.4″+2%
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 | 46 mm | 45 mm |
| Weight | 54 g | — |
| Thickness | 12.2 mm | — |
| Height | 46.2 mm | — |
| Width | 46.2 mm | — |
| Case material | Stainless steel | — |
| Strap material | — | Silikon |
| Water resistance | 5 ATM | — |
| Water rating (maker) | 50 m / 5 bar / 5 ATM | — |
| Colours | Black, Silver | Black |
| Display | ||
| Screen size | 1.43″ | 1.4″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Always-on display | Yes | — |
| Touchscreen | Yes | — |
| Resolution (width) | 466 px | — |
| Resolution (height) | 466 px | — |
| Pixel density | 326 ppi | — |
| Refresh rate | 60 Hz | — |
| Battery | ||
| Battery life (smartwatch mode) | 3 days | 3 days |
| Battery capacity | 450 mAh | — |
| Battery type | Li-Ion | Li-Ion |
| Wireless charging | Yes | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Skin temperature | Yes | — |
| Temperature sensor | Yes | — |
| Sleep tracking | Yes | Yes |
| Sensors | Accelerometer, gyro, heart rate, barometer, compass, SpO2, thermometer (body temperature) | heart rate, SpO2 |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Satellite systems | GLONASS, GALILEO, BDS, QZSS | GPS |
| Barometric altimeter | Yes | — |
| Compass | Yes | — |
| Multisport / triathlon mode | Yes | — |
| Connectivity | ||
| NFC payments | Yes | — |
| LTE (cellular) | Yes | Yes |
| eSIM | Yes | — |
| Wi-Fi | Wi-Fi 4 | — |
| Bluetooth | 5.2 | — |
| Smart features | ||
| Calls from the wrist | Yes | — |
| Speaker | Yes | — |
| Microphone | Yes | — |
| Storage | 16 GB | — |
| RAM | 2 GB | 1 GB |
| Platform | ||
| Operating system | HarmonyOS 2.0 | Android Wear |
| Platform | HarmonyOS | Proprietary |
| Works with | iOS, Android | — |
| Chipset | HiSilicon Hi6262 | Qualcomm Snapdragon Wear 4100 |









