vs
7.3Display7.6
9.1Health tracking4.9
8.0Sports & outdoor4.7
9.0Smart features5.1
8.2Build & durability4.9
Dimensions
Size comparison
Watch Series 8 AluminumWatch S1 Active
| Watch Series 8 Aluminum | Watch S1 Active | Difference | |
|---|---|---|---|
| Height | 45 mm | 46.5 mm | −1.5 mm |
| Width | 38 mm | 47.3 mm | −9.3 mm |
| Thickness | 10.7 mm | 11 mm | −0.3 mm |
| Weight | 32 g | 52 g | −20 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Watch Series 8 Aluminum better than Watch S1 Active?
- LTE (cellular)Yes · Watch S1 Active: No
- Weight32 g vs 52 g+62%
- Wi-FiWi-Fi 4 vs Wi-Fi 14×
- Screen size1.9″ vs 1.43″+33%
- eSIMYes · Watch S1 Active: No
- Thickness10.7 mm vs 11 mm+3%
Why is Watch S1 Active better than Watch Series 8 Aluminum?
- Battery capacity308 mAh vs 470 mAh+53%
- Resolution (width)396 px vs 466 px+18%
Specifications
Side by side
| Design & durability | ||
| Case size | 45 mm | 46 mm |
| Weight | 32 g | 52 g |
| Thickness | 10.7 mm | 11 mm |
| Height | 45 mm | 46.5 mm |
| Width | 38 mm | 47.3 mm |
| Case material | Aluminium | Aluminium |
| Sapphire crystal | Yes | Yes |
| Lens / cover glass | Ion-X strengthened glass | Saphirglas |
| Strap material | — | Silikon |
| Water resistance | 5 ATM | 5 ATM |
| Ingress protection | IP6X | — |
| Water rating (maker) | — | 50 m / 5 bar / 5 ATM |
| Colours | Midnight, Starlight, Silver, Red | Moon White, Space Black, Ocean Blue |
| Display | ||
| Screen size | 1.9″ | 1.43″ |
| Display technology | OLED | AMOLED |
| Panel | Retina LTPO OLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Resolution (width) | 396 px | 466 px |
| Resolution (height) | 484 px | 466 px |
| Pixel density | 326 ppi | 326 ppi |
| Peak brightness | 1,000 nits | — |
| LTPO display | Yes | — |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery life (smartwatch mode) | — | 12 days |
| Battery capacity | 308 mAh | 470 mAh |
| Battery type | Li-Ion | Li-Po |
| Wireless charging | Yes | — |
| Charged in 30 min | 53% | — |
| 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, always-on altimeter, compass, SpO2, VO2max, temperature (body) | 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 | Yes |
| Compass | Yes | Yes |
| Connectivity | ||
| NFC payments | Yes | Yes |
| LTE (cellular) | Yes | No |
| eSIM | Yes | No |
| Wi-Fi | Wi-Fi 4 | Wi-Fi 1 |
| Bluetooth | 5.3 | 5.2 |
| Ultra Wideband | Yes | — |
| Smart features | ||
| Speaker | Yes | Yes |
| Voice assistant | — | Yes |
| Storage | 32 GB | — |
| RAM | 1 GB | — |
| Platform | ||
| Operating system | watchOS 9.0 | Proprietary OS |
| Platform | watchOS | Proprietary |
| Works with | — | iOS, Android |
| Chipset | Apple S8 | — |
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