vs
7.3Display7.5
Dimensions
Size comparison
Active 2 (Round)Watch S1 Active
| Active 2 (Round) | Watch S1 Active | Difference | |
|---|---|---|---|
| Height | 43.9 mm | 46.5 mm | −2.6 mm |
| Width | 43.9 mm | 47.3 mm | −3.4 mm |
| Thickness | 9.9 mm | 11 mm | −1.1 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is Active 2 (Round) better than Watch S1 Active?
- Thickness9.9 mm vs 11 mm+11%
- Pixel density353 ppi vs 326 ppi+8%
Why is Watch S1 Active better than Active 2 (Round)?
- Screen size1.32″ vs 1.43″+8%
- Battery capacity270 mAh vs 470 mAh+74%
Specifications
Side by side
| Design & durability | ||
| Case size | — | 46 mm |
| Weight | 29.5 g | — |
| Thickness | 9.9 mm | 11 mm |
| Height | 43.9 mm | 46.5 mm |
| Width | 43.9 mm | 47.3 mm |
| Case material | Stainless steel | Aluminium |
| Sapphire crystal | Yes | — |
| Lens / cover glass | Premium version: Sapphire glass; Standard version: Tempered glass + anti-fingerp | — |
| Water resistance | 5 ATM | 5 ATM |
| Colours | — | Moon White, Space Black, Ocean Blue |
| Display | ||
| Screen size | 1.32″ | 1.43″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Touchscreen | Yes | — |
| Resolution (width) | 466 px | 466 px |
| Resolution (height) | 466 px | 466 px |
| Pixel density | 353 ppi | 326 ppi |
| Refresh rate | — | 60 Hz |
| Battery | ||
| Battery life (smartwatch mode) | 10 days | — |
| Battery saver mode | 19 days | — |
| GPS battery life | 21 h | — |
| Battery capacity | 270 mAh | 470 mAh |
| Battery type | — | Li-Po |
| Charging | Magnetic charging base | — |
| Health sensors | ||
| Optical heart rate | — | Yes |
| Blood oxygen (SpO2) | — | Yes |
| Sleep tracking | Yes | — |
| Sensors | — | Accelerometer, gyro, compass, barometer, heart rate, SpO2 |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Dual-band GPS | — | Yes |
| Satellite systems | — | GLONASS, GALILEO, BDS, QZSS |
| Barometric altimeter | — | Yes |
| Compass | — | Yes |
| Sport profiles | 160 | — |
| Connectivity | ||
| NFC payments | — | Yes |
| LTE (cellular) | — | No |
| eSIM | — | No |
| Bluetooth | 5.2 | 5.2 |
| Smart features | ||
| Calls from the wrist | Yes | — |
| Speaker | Yes | Yes |
| Microphone | Yes | — |
| Voice assistant | Yes | — |
| Platform | ||
| Operating system | — | Proprietary OS |
| Platform | Proprietary | Proprietary |
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