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 | 46.4 mm | −0.2 mm |
| Thickness | 12.2 mm | 11 mm | +1.2 mm |
| Weight | 54 g | 47 g | +7 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Watch 3 better than Watch 2?
- Storage16 GB vs 2 GB8×
Why is Watch 2 better than Watch 3?
- Weight54 g vs 47 g+15%
- Thickness12.2 mm vs 11 mm+11%
Specifications
Side by side
| Design & durability | ||
| Case size | 46 mm | 46 mm |
| Weight | 54 g | 47 g |
| Thickness | 12.2 mm | 11 mm |
| Height | 46.2 mm | 46.4 mm |
| Width | 46.2 mm | 46.4 mm |
| Case material | Stainless steel | Stainless steel |
| Water resistance | 5 ATM | 5 ATM |
| Water rating (maker) | 50 m / 5 bar / 5 ATM | — |
| Colours | Black, Silver | Black, Brown, Silver |
| Display | ||
| Screen size | 1.43″ | 1.43″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Always-on display | Yes | — |
| Touchscreen | Yes | — |
| Resolution (width) | 466 px | 466 px |
| Resolution (height) | 466 px | 466 px |
| Pixel density | 326 ppi | 326 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery life (smartwatch mode) | 3 days | — |
| Battery capacity | 450 mAh | — |
| Battery type | Li-Ion | — |
| Wireless charging | Yes | Yes |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Skin temperature | Yes | — |
| Temperature sensor | Yes | — |
| Sleep tracking | Yes | — |
| Sensors | Accelerometer, gyro, heart rate, barometer, compass, SpO2, thermometer (body temperature) | Accelerometer, gyro, heart rate, barometer, compass, altimeter, SpO2 |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Satellite systems | GLONASS, GALILEO, BDS, QZSS | GLONASS, GALILEO, BDS |
| Barometric altimeter | Yes | Yes |
| Compass | Yes | Yes |
| Multisport / triathlon mode | Yes | — |
| Connectivity | ||
| NFC payments | Yes | Yes |
| LTE (cellular) | Yes | Yes |
| eSIM | Yes | Yes |
| Wi-Fi | Wi-Fi 4 | — |
| Bluetooth | 5.2 | 5.2 |
| Smart features | ||
| Calls from the wrist | Yes | — |
| Speaker | Yes | Yes |
| Microphone | Yes | — |
| Storage | 16 GB | 2 GB |
| RAM | 2 GB | — |
| Platform | ||
| Operating system | HarmonyOS 2.0 | Proprietary OS |
| Platform | HarmonyOS | Proprietary |
| Works with | iOS, Android | — |
| Chipset | HiSilicon Hi6262 | — |
