vs
9.2Display8.8
9.2Health tracking9.2
8.0Sports & outdoor8.0
9.0Smart features9.0
8.8Build & durability8.4
Dimensions
Size comparison
Watch Series 10 AluminumWatch Series 9 Aluminum
| Watch Series 10 Aluminum | Watch Series 9 Aluminum | Difference | |
|---|---|---|---|
| Height | 46 mm | 45 mm | +1 mm |
| Width | 39 mm | 38 mm | +1 mm |
| Thickness | 9.7 mm | 10.7 mm | −1 mm |
| Weight | 29 g | 32 g | −3 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Watch Series 10 Aluminum better than Watch Series 9 Aluminum?
- Weight29.3 g vs 31.9 g+9%
- Screen size1.96″ vs 1.9″+3%
- Charged in 30 min80% vs 53%+51%
- Thickness9.7 mm vs 10.7 mm+10%
- Battery capacity327 mAh vs 308 mAh+6%
- Resolution (width)416 px vs 396 px+5%
Why is Watch Series 9 Aluminum better than Watch Series 10 Aluminum?
Watch Series 9 Aluminum has no measurable advantages in this pair.
Specifications
Side by side
| Design & durability | ||
| Case size | 46 mm | 45 mm |
| Weight | 29.3 g | 31.9 g |
| Thickness | 9.7 mm | 10.7 mm |
| Height | 46 mm | 45 mm |
| Width | 39 mm | 38 mm |
| Case material | Aluminium | Aluminium |
| Sapphire crystal | Yes | Yes |
| Lens / cover glass | Ion-X strengthened glass | Ion-X strengthened glass |
| Water resistance | 5 ATM | 5 ATM |
| Ingress protection | IP6X | IP6X |
| Colours | Jet Black, Rose Gold, Silver | Midnight, Starlight, Silver, Pink, Red |
| Display | ||
| Screen size | 1.96″ | 1.9″ |
| Display technology | OLED | OLED |
| Panel | Retina LTPO3 OLED | Retina LTPO OLED |
| AMOLED / OLED display | Yes | Yes |
| Resolution (width) | 416 px | 396 px |
| Resolution (height) | 496 px | 484 px |
| Pixel density | 330 ppi | 326 ppi |
| Peak brightness | 2,000 nits | 2,000 nits |
| LTPO display | Yes | Yes |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery capacity | 327 mAh | 308 mAh |
| Battery type | Li-Ion | Li-Ion |
| Wireless charging | Yes | Yes |
| Charged in 30 min | 80% | 53% |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| ECG | Yes | Yes |
| Skin temperature | Yes | Yes |
| Temperature sensor | Yes | Yes |
| Sensors | Accelerometer, gyro, heart rate, barometer, always-on altimeter, compass, SpO2, VO2max, temperature (body), temperature (water) | Accelerometer, gyro, heart rate, barometer, always-on altimeter, compass, SpO2, VO2max, temperature (body) |
| Sports & navigation | ||
| Built-in GPS | Yes | 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 | Yes |
| eSIM | Yes | Yes |
| Wi-Fi | Wi-Fi 4 | Wi-Fi 4 |
| Bluetooth | 5.3 | 5.3 |
| Ultra Wideband | Yes | Yes |
| Smart features | ||
| Speaker | Yes | Yes |
| Storage | 64 GB | 64 GB |
| Platform | ||
| Operating system | watchOS 11 | watchOS 10 |
| Platform | watchOS | watchOS |
| Chipset | Apple S10 | Apple S9 |
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