vs
5.2Smart features9.6
Dimensions
Size comparison
Watch SE (2nd Gen)Watch 3
| Watch SE (2nd Gen) | Watch 3 | Difference | |
|---|---|---|---|
| Case size | 44 mm | 37 mm | +7 mm |
| Thickness | 10.7 mm | 11.7 mm | −1 mm |
| Weight | 33 g | 32 g | +1 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Watch SE (2nd Gen) better than Watch 3?
- Resolution (width)448 px vs 372 px+20%
- Thickness10.7 mm vs 11.7 mm+9%
Why is Watch 3 better than Watch SE (2nd Gen)?
- Weight32.9 g vs 31.9 g+3%
Specifications
Side by side
| Design & durability | ||
| Case size | 44 mm | 43 mm |
| Weight | 32.9 g | 31.9 g |
| Thickness | 10.7 mm | 11.7 mm |
| Height | — | 43 mm |
| Width | — | 37 mm |
| Case material | — | Aluminium |
| Water resistance | — | 5 ATM |
| Colours | — | Black, Gold |
| Display | ||
| Screen size | — | 1.75″ |
| Display technology | — | AMOLED |
| Panel | — | AMOLED |
| AMOLED / OLED display | — | Yes |
| Resolution (width) | 448 px | 372 px |
| Resolution (height) | 368 px | 430 px |
| Pixel density | — | 326 ppi |
| Refresh rate | — | 60 Hz |
| Battery | ||
| Battery capacity | — | 400 mAh |
| Battery type | — | Li-Ion |
| Wireless charging | Yes | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | — | Yes |
| Sleep tracking | Yes | — |
| Sensors | — | Accelerometer, gyro, heart rate, compass, barometer, SpO2 |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Satellite systems | — | GLONASS, GALILEO, BDS, QZSS |
| Barometric altimeter | — | Yes |
| Compass | Yes | Yes |
| Connectivity | ||
| NFC payments | — | Yes |
| LTE (cellular) | — | Yes |
| eSIM | — | Yes |
| Bluetooth | 5.3 | 5 |
| Smart features | ||
| Calls from the wrist | Yes | — |
| Speaker | — | Yes |
| Voice assistant | Yes | — |
| Music on the watch | Yes | — |
| Storage | — | 32 GB |
| RAM | — | 1 GB |
| Platform | ||
| Operating system | — | Android Wear OS - International ColorOS Watch 3.0 - China |
| Platform | — | Android |
| Works with | iOS | — |
| Chipset | — | Qualcomm Snapdragon W5+ Gen 1 |
