Dimensions
Size comparison
WatchWatch 2
| Watch | Watch 2 | Difference | |
|---|---|---|---|
| Height | 46 mm | 46.4 mm | −0.4 mm |
| Width | 39 mm | 38.5 mm | +0.5 mm |
| Thickness | 11.4 mm | 11.6 mm | −0.2 mm |
| Weight | 40 g | 35 g | +5 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Watch better than Watch 2?
Watch has no measurable advantages in this pair.
Why is Watch 2 better than Watch?
- Weight40 g vs 35 g+14%
- Battery capacity430 mAh vs 510 mAh+19%
Specifications
Side by side
| Design & durability | ||
| Case size | 46 mm | 46 mm |
| Weight | 40 g | 35 g |
| Thickness | 11.4 mm | 11.6 mm |
| Height | 46 mm | 46.4 mm |
| Width | 39 mm | 38.5 mm |
| Case material | Stainless steel | Aluminium |
| Sapphire crystal | Yes | — |
| Lens / cover glass | Schott Xensation Up (46mm), Corning Gorilla Glass (41mm) | — |
| Water resistance | 5 ATM | 5 ATM |
| Colours | Black, Glossy Gold, Pink Gold, Silver Mist | Star Blue, Platinum Black, Rose Gold |
| Display | ||
| Screen size | 1.91″ | 1.91″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Resolution (width) | 402 px | 402 px |
| Resolution (height) | 476 px | 476 px |
| Pixel density | 326 ppi | 326 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery capacity | 430 mAh | 510 mAh |
| Battery type | Li-Ion | Li-Ion |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | — | Yes |
| Sleep tracking | Yes | — |
| Sensors | Accelerometer, gyro, heart rate, compass, barometer | Accelerometer, gyro, heart rate, compass, barometer, SpO2 |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Satellite systems | GLONASS, BDS | 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 | 4.2 | 5 |
| Smart features | ||
| Speaker | Yes | Yes |
| Storage | 8 GB | 8 GB |
| RAM | 1 GB | 1 GB |
| Platform | ||
| Operating system | Android Wear OS - International ColorOS Watch OS - China | Android Wear OS - International ColorOS Watch 2.0 - China |
| Platform | Android | Android |
| Chipset | Qualcomm Snapdragon Wear 3100 - International | Qualcomm Snapdragon Wear 4100 |
