Dimensions
Size comparison
Watch 3Watch 2
| Watch 3 | Watch 2 | Difference | |
|---|---|---|---|
| Height | 46.2 mm | 46.4 mm | −0.2 mm |
| Width | 46.2 mm | 38.5 mm | +7.7 mm |
| Thickness | 12.2 mm | 11.6 mm | +0.6 mm |
| Weight | 54 g | 35 g | +19 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Watch 3 better than Watch 2?
- Storage16 GB vs 8 GB2×
- Resolution (width)466 px vs 402 px+16%
Why is Watch 2 better than Watch 3?
- Weight54 g vs 35 g+54%
- Screen size1.43″ vs 1.91″+34%
- Thickness12.2 mm vs 11.6 mm+5%
Specifications
Side by side
| Design & durability | ||
| Case size | 46 mm | 46 mm |
| Weight | 54 g | 35 g |
| Thickness | 12.2 mm | 11.6 mm |
| Height | 46.2 mm | 46.4 mm |
| Width | 46.2 mm | 38.5 mm |
| Case material | Stainless steel | Aluminium |
| Water resistance | 5 ATM | 5 ATM |
| Colours | Black, Silver | Star Blue, Platinum Black, Rose Gold |
| Display | ||
| Screen size | 1.43″ | 1.91″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Touchscreen | Yes | — |
| Resolution (width) | 466 px | 402 px |
| Resolution (height) | 466 px | 476 px |
| Pixel density | 326 ppi | 326 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery life (smartwatch mode) | 3 days | — |
| Battery capacity | — | 510 mAh |
| Battery type | Li-Ion | Li-Ion |
| Wireless charging | Yes | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Temperature sensor | Yes | — |
| Sleep tracking | Yes | — |
| Sensors | Accelerometer, gyro, heart rate, barometer, compass, SpO2, thermometer (body temperature) | Accelerometer, gyro, heart rate, compass, barometer, SpO2 |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Satellite systems | GLONASS, GALILEO, BDS, QZSS | GLONASS, GALILEO, BDS |
| Barometric altimeter | Yes | Yes |
| Compass | Yes | Yes |
| Connectivity | ||
| NFC payments | Yes | Yes |
| LTE (cellular) | Yes | Yes |
| eSIM | Yes | Yes |
| Wi-Fi | Wi-Fi 4 | Wi-Fi 4 |
| Bluetooth | 5.2 | 5 |
| Smart features | ||
| Speaker | Yes | Yes |
| Storage | 16 GB | 8 GB |
| RAM | 2 GB | 1 GB |
| Platform | ||
| Operating system | HarmonyOS 2.0 | Android Wear OS - International ColorOS Watch 2.0 - China |
| Platform | HarmonyOS | Android |
| Chipset | — | Qualcomm Snapdragon Wear 4100 |
