vs
3.5Display7.5
5.0Health tracking5.0
8.0Sports & outdoor4.7
2.5Smart features6.5
Dimensions
Size comparison
Watch 2 ProWatch S1 Active
| Watch 2 Pro | Watch S1 Active | Difference | |
|---|---|---|---|
| Height | 38.9 mm | 46.5 mm | −7.6 mm |
| Width | 25.2 mm | 47.3 mm | −22.1 mm |
| Thickness | 12.7 mm | 11 mm | +1.7 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is Watch 2 Pro better than Watch S1 Active?
- Screen size1.75″ vs 1.43″+22%
Why is Watch S1 Active better than Watch 2 Pro?
- AMOLED / OLED displayNo · Watch 2 Pro: Yes
- NFC paymentsNo · Watch 2 Pro: Yes
- SpeakerNo · Watch 2 Pro: Yes
- Resolution (width)320 px vs 466 px+46%
- Battery capacity390 mAh vs 470 mAh+21%
- Thickness12.7 mm vs 11 mm+15%
- Pixel density286 ppi vs 326 ppi+14%
Specifications
Side by side
| Design & durability | ||
| Case size | 39 mm | 46 mm |
| Weight | 40 g | — |
| Thickness | 12.7 mm | 11 mm |
| Height | 38.9 mm | 46.5 mm |
| Width | 25.2 mm | 47.3 mm |
| Case material | Plastic / polymer | Aluminium |
| Water resistance | — | 5 ATM |
| Ingress protection | IP68 | — |
| Water resistance (IPx) | IPx8 | — |
| Colours | Space Grey, Metallic Silver | Moon White, Space Black, Ocean Blue |
| Display | ||
| Screen size | 1.75″ | 1.43″ |
| Display technology | LCD | AMOLED |
| Panel | IPS LCD | AMOLED |
| AMOLED / OLED display | No | Yes |
| Resolution (width) | 320 px | 466 px |
| Resolution (height) | 385 px | 466 px |
| Pixel density | 286 ppi | 326 ppi |
| Peak brightness | 600 nits | — |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery capacity | 390 mAh | 470 mAh |
| Battery type | Li-Ion | Li-Po |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Sensors | Accelerometer, heart rate, SpO2 | 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 |
| Barometric altimeter | — | Yes |
| Compass | — | Yes |
| Connectivity | ||
| NFC payments | No | Yes |
| LTE (cellular) | No | No |
| eSIM | No | No |
| Bluetooth | 5 | 5.2 |
| Smart features | ||
| Speaker | No | Yes |
| Platform | ||
| Operating system | Proprietary OS | Proprietary OS |
| Platform | Proprietary | Proprietary |
