vs
4.1Display7.5
5.0Health tracking9.6
3.9Smart features6.5
Why is Smartwatch 1GS better than Watch S2?
- Pixel density386 ppi vs 326 ppi+18%
Why is Watch S2 better than Smartwatch 1GS?
- Built-in GPSNo · Smartwatch 1GS: Yes
- AMOLED / OLED displayNo · Smartwatch 1GS: Yes
- NFC paymentsNo · Smartwatch 1GS: Yes
- Battery capacity250 mAh vs 500 mAh2×
- Screen size1.32″ vs 1.43″+8%
- Resolution (width)360 px vs 466 px+29%
Specifications
Side by side
| Design & durability | ||
| Case size | — | 46 mm |
| Thickness | — | 10.7 mm |
| Height | — | 46 mm |
| Width | — | 46 mm |
| Case material | Aluminium | Stainless steel |
| Sapphire crystal | — | Yes |
| Water resistance | — | 5 ATM |
| Ingress protection | IP68 | — |
| Water resistance (IPx) | IPx8 | — |
| Colours | Black | Black, Silver, Light Gold |
| Display | ||
| Screen size | 1.32″ | 1.43″ |
| Display technology | LCD | AMOLED |
| Panel | IPS LCD | AMOLED |
| AMOLED / OLED display | No | Yes |
| Resolution (width) | 360 px | 466 px |
| Resolution (height) | 360 px | 466 px |
| Pixel density | 386 ppi | 326 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery capacity | 250 mAh | 500 mAh |
| Battery type | — | Li-Po |
| Wireless charging | — | Yes |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Skin temperature | — | Yes |
| Temperature sensor | — | Yes |
| Sensors | Accelerometer, heart rate, SpO2 | Accelerometer, gyro, compass, barometer, heart rate, SpO2, thermometer (skin temperature), body composition (BMI) |
| Sports & navigation | ||
| Built-in GPS | No | Yes |
| Dual-band GPS | — | Yes |
| Satellite systems | — | GLONASS, GALILEO, BDS, QZSS |
| Barometric altimeter | — | Yes |
| Compass | — | Yes |
| Connectivity | ||
| NFC payments | No | Yes |
| LTE (cellular) | No | No |
| eSIM | No | No |
| Bluetooth | — | 5.2 |
| Smart features | ||
| Speaker | Yes | Yes |
| Platform | ||
| Operating system | Proprietary OS | Proprietary OS |
| Platform | Proprietary | Proprietary |
