Dimensions
Size comparison
WatchWatch 2
| Watch | Watch 2 | Difference | |
|---|---|---|---|
| Height | 46 mm | 46.4 mm | −0.4 mm |
| Width | 38.4 mm | 38.5 mm | −0.1 mm |
| Thickness | 13 mm | 11.6 mm | +1.4 mm |
| Weight | 43 g | 35 g | +8 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?
- Weight43 g vs 35 g+23%
- Screen size1.78″ vs 1.91″+7%
- Battery capacity430 mAh vs 510 mAh+19%
- Thickness13 mm vs 11.6 mm+12%
- Resolution (width)368 px vs 402 px+9%
Specifications
Side by side
| Design & durability | ||
| Case size | 46 mm | 46 mm |
| Weight | 43 g | 35 g |
| Thickness | 13 mm | 11.6 mm |
| Height | 46 mm | 46.4 mm |
| Width | 38.4 mm | 38.5 mm |
| Case material | Aluminium | Aluminium |
| Lens / cover glass | Corning Gorilla Glass | — |
| Water resistance | — | 5 ATM |
| Colours | Black, Azure | Star Blue, Platinum Black, Rose Gold |
| Display | ||
| Screen size | 1.78″ | 1.91″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Resolution (width) | 368 px | 402 px |
| Resolution (height) | 448 px | 476 px |
| Pixel density | 326 ppi | 326 ppi |
| Peak brightness | 450 nits | — |
| 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 | Yes |
| Sensors | Accelerometer, heart rate, SpO2, gyro, barometer, compass | Accelerometer, gyro, heart rate, compass, barometer, SpO2 |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Satellite systems | GLONASS, 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 | 4.2 | 5 |
| Smart features | ||
| Speaker | Yes | Yes |
| Storage | 8 GB | 8 GB |
| RAM | 1 GB | 1 GB |
| Platform | ||
| Operating system | Flyme | Android Wear OS - International ColorOS Watch 2.0 - China |
| Platform | Proprietary | Android |
| Chipset | Qualcomm Snapdragon Wear 4100 | Qualcomm Snapdragon Wear 4100 |
