vs
9.2Health tracking9.2
8.4Build & durability6.7
Why is Watch Series 9 Aluminum better than ScanWatch 2?
- Battery capacity308 mAh vs 190 mAh+62%
Why is ScanWatch 2 better than Watch Series 9 Aluminum?
ScanWatch 2 has no measurable advantages in this pair.
Specifications
Side by side
| Design & durability | ||
| Case size | 45 mm | — |
| Weight | 31.9 g | — |
| Thickness | 10.7 mm | — |
| Height | 45 mm | — |
| Width | 38 mm | — |
| Case material | Aluminium | Stainless steel |
| Sapphire crystal | Yes | Yes |
| Lens / cover glass | Ion-X strengthened glass | Saphirglas Saphirglas |
| Water resistance | 5 ATM | 5 ATM |
| Ingress protection | IP6X | — |
| Water rating (maker) | — | 50 m / 5 bar / 5 ATM |
| Colours | Midnight, Starlight, Silver, Pink, Red | — |
| Display | ||
| Screen size | 1.9″ | — |
| Display technology | OLED | OLED |
| Panel | Retina LTPO OLED | OLED |
| AMOLED / OLED display | Yes | Yes |
| Resolution (width) | 396 px | — |
| Resolution (height) | 484 px | — |
| Pixel density | 326 ppi | — |
| Peak brightness | 2,000 nits | — |
| LTPO display | Yes | — |
| Refresh rate | 60 Hz | — |
| Battery | ||
| Battery life (smartwatch mode) | — | 30 days |
| Battery capacity | 308 mAh | 190 mAh |
| Battery type | Li-Ion | Li-Ion |
| Wireless charging | Yes | — |
| Charged in 30 min | 53% | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| ECG | Yes | Yes |
| Skin temperature | Yes | Yes |
| Temperature sensor | Yes | — |
| Sleep tracking | — | Yes |
| Sensors | Accelerometer, gyro, heart rate, barometer, always-on altimeter, compass, SpO2, VO2max, temperature (body) | heart rate, accelerometer |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Satellite systems | GLONASS, GALILEO, BDS, QZSS | GPS |
| Barometric altimeter | Yes | — |
| Compass | Yes | — |
| Connectivity | ||
| NFC payments | Yes | — |
| LTE (cellular) | Yes | — |
| eSIM | Yes | — |
| Wi-Fi | Wi-Fi 4 | — |
| Bluetooth | 5.3 | 5 |
| Ultra Wideband | Yes | — |
| Smart features | ||
| Speaker | Yes | — |
| Storage | 64 GB | — |
| Platform | ||
| Operating system | watchOS 10 | — |
| Platform | watchOS | — |
| Works with | — | iOS, Android |
| Chipset | Apple S9 | — |
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