Dimensions
Size comparison
Watch GTWatch S4
| Watch GT | Watch S4 | Difference | |
|---|---|---|---|
| Height | 45.8 mm | 47.3 mm | −1.5 mm |
| Width | 39.6 mm | 47.3 mm | −7.7 mm |
| Thickness | 11.2 mm | 12 mm | −0.8 mm |
| Weight | 33 g | 44 g | −12 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Watch GT better than Watch S4?
- Weight33 g vs 44.5 g+35%
- Screen size1.85″ vs 1.43″+29%
- Thickness11.2 mm vs 12 mm+7%
- Battery capacity505 mAh vs 486 mAh+4%
Why is Watch S4 better than Watch GT?
- Water resistance2 ATM vs 5 ATM2.5×
- Resolution (width)390 px vs 466 px+19%
Specifications
Side by side
| Design & durability | ||
| Case size | 46 mm | 47 mm |
| Weight | 33 g | 44.5 g |
| Thickness | 11.2 mm | 12 mm |
| Height | 45.8 mm | 47.3 mm |
| Width | 39.6 mm | 47.3 mm |
| Case material | Aluminium | Aluminium |
| Lens / cover glass | — | Scratch/drop-proof glass |
| Water resistance | 2 ATM | 5 ATM |
| Water rating (maker) | — | 50 m / 5 bar / 5 ATM |
| Colours | Black, Silver | Black, Silver, Rainbow |
| Display | ||
| Screen size | 1.85″ | 1.43″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Touchscreen | — | Yes |
| Resolution (width) | 390 px | 466 px |
| Resolution (height) | 450 px | 466 px |
| Pixel density | 322 ppi | 326 ppi |
| Peak brightness | — | 2,200 nits |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery life (smartwatch mode) | — | 15 days |
| Battery capacity | 505 mAh | 486 mAh |
| Battery type | — | Li-Po |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| ECG | — | Yes |
| Sleep tracking | — | Yes |
| Sensors | Accelerometer, gyro, heart rate, compass, SpO2 | Accelerometer, gyro, compass, barometer, heart rate, SpO2 |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Dual-band GPS | — | Yes |
| Satellite systems | GLONASS, GALILEO, BDS, QZSS | GLONASS, GALILEO, BDS, QZSS |
| Barometric altimeter | — | Yes |
| Compass | Yes | Yes |
| Connectivity | ||
| NFC payments | Yes | Yes |
| LTE (cellular) | Yes | Yes |
| eSIM | Yes | Yes |
| Bluetooth | 5.3 | 5.3 |
| Smart features | ||
| Calls from the wrist | — | Yes |
| Speaker | Yes | Yes |
| Platform | ||
| Operating system | Blue OS | HyperOS 2 |
| Platform | Proprietary | Proprietary |
| Works with | — | iOS, Android |
