vs
7.1Display4.6
9.4Health tracking4.9
4.7Sports & outdoor4.7
4.7Smart features9.6
7.0Build & durability4.7
Dimensions
Size comparison
Watch GT 3Watch S3
| Watch GT 3 | Watch S3 | Difference | |
|---|---|---|---|
| Height | 45.9 mm | 47 mm | −1.1 mm |
| Width | 45.9 mm | 47 mm | −1.1 mm |
| Thickness | 11 mm | 12 mm | −1 mm |
| Weight | 35 g | 44 g | −9 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Watch GT 3 better than Watch S3?
- Battery life (smartwatch mode)14 days vs 12 days+17%
- Weight35 g vs 44 g+26%
- Thickness11 mm vs 12 mm+9%
Why is Watch S3 better than Watch GT 3?
- NFC paymentsNo · Watch GT 3: Yes
- LTE (cellular)No · Watch GT 3: Yes
- eSIMNo · Watch GT 3: Yes
- Battery capacity455 mAh vs 486 mAh+7%
Specifications
Side by side
| Design & durability | ||
| Case size | 46 mm | 47 mm |
| Weight | 35 g | 44 g |
| Thickness | 11 mm | 12 mm |
| Height | 45.9 mm | 47 mm |
| Width | 45.9 mm | 47 mm |
| Case material | Stainless steel | Aluminium |
| Lens / cover glass | — | Scratch/drop-proof glass |
| Strap material | — | Fluorelastomer |
| Water resistance | 5 ATM | 5 ATM |
| Water rating (maker) | — | 50 m / 5 bar / 5 ATM |
| Colours | Black, Steel, Gold | Black, Silver, Brown |
| Display | ||
| Screen size | 1.43″ | 1.43″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Touchscreen | Yes | Yes |
| Resolution (width) | 466 px | 466 px |
| Resolution (height) | 466 px | 466 px |
| Pixel density | 326 ppi | 326 ppi |
| Peak brightness | — | 600 nits |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery life (smartwatch mode) | 14 days | 12 days |
| Battery capacity | 455 mAh | 486 mAh |
| Battery type | Li-Po | Li-Po |
| Wireless charging | Yes | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| ECG | — | Yes |
| Skin temperature | Yes | — |
| Temperature sensor | Yes | — |
| Sleep tracking | Yes | — |
| Sensors | Accelerometer, gyro, heart rate, barometer, compass, SpO2, thermometer (body temperature) | Accelerometer, gyro, compass, barometer, heart rate, SpO2 |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Dual-band GPS | Yes | Yes |
| Satellite systems | GLONASS, GALILEO, BDS, QZSS | GLONASS, GALILEO, BDS, QZSS |
| Barometric altimeter | Yes | Yes |
| Compass | Yes | Yes |
| Connectivity | ||
| NFC payments | No | Yes |
| LTE (cellular) | No | Yes |
| eSIM | No | Yes |
| Bluetooth | 5.1 | 5.2 |
| Smart features | ||
| Speaker | Yes | Yes |
| Music on the watch | Yes | — |
| Storage | 32 GB | — |
| RAM | 4 GB | — |
| Platform | ||
| Operating system | HarmonyOS 2.0 | HyperOS |
| Platform | HarmonyOS | Proprietary |
| Works with | iOS, Android | iOS, Android |
