vs
8.9Display8.3
2.4Battery life2.9
8.6Health tracking8.2
6.4Sports & outdoor6.4
7.9Smart features7.9
7.7Build & durability4.8
Dimensions
Size comparison
Watch Series 10Watch Series 12
| Watch Series 10 | Watch Series 12 | Difference | |
|---|---|---|---|
| Height | 46 mm | 46 mm | = |
| Width | 39 mm | 40 mm | −1 mm |
| Thickness | 9.7 mm | 9.7 mm | = |
| Weight | 34 g | 53 g | −18 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Watch Series 10 better than Watch Series 12?
- Weight34.4 g vs 52.9 g+54%
Why is Watch Series 12 better than Watch Series 10?
- Battery life (smartwatch mode)0.8 days vs 1 days+25%
- Battery life (hours)18 h vs 24 h+33%
- Battery capacity327 mAh vs 377 mAh+15%
Specifications
Side by side
| Design & durability | ||
| Case size | 46 mm | 46 mm |
| Weight | 34.4 g | 52.9 g |
| Thickness | 9.7 mm | 9.7 mm |
| Height | 46 mm | 46 mm |
| Width | 39 mm | 40 mm |
| Case material | Titanium | — |
| Sapphire crystal | Yes | Yes |
| Lens / cover glass | Sapphire crystal glass | Sapphire crystal |
| Water resistance | 5 ATM | 5 ATM |
| Ingress protection | IP6X | IP6X |
| Water rating (maker) | 50 m / 5 ATM | 50 m / 5 bar / 5 ATM |
| Colours | Slate, Gold, Natural | Radiant Gold Titanium, Natural Titanium, Silver Titanium (Hermès only), Pearl White Ceramic, Night Blue Ceramic |
| Display | ||
| Screen size | 1.96″ | 1.96″ |
| Display technology | OLED | OLED |
| Panel | Retina LTPO3 OLED | Retina LTPO3 OLED |
| AMOLED / OLED display | Yes | Yes |
| Always-on display | Yes | Yes |
| Resolution (width) | 416 px | 416 px |
| Resolution (height) | 496 px | 496 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 life (smartwatch mode) | 0.8 days | 1 days |
| Battery life (hours) | 18 h | 24 h |
| Battery capacity | 327 mAh | 377 mAh |
| Battery type | Li-Ion | Li-Ion |
| Wireless charging | Yes | Yes |
| Charged in 30 min | 80% | 80% |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| ECG | Yes | Yes |
| Skin temperature | Yes | Yes |
| Temperature sensor | Yes | Yes |
| HRV tracking | — | Yes |
| Sleep tracking | Yes | Yes |
| Sensors | Accelerometer, gyro, heart rate, barometer, always-on altimeter, compass, SpO2, VO2max, temperature (body), temperature (water) | Accelerometer, gyro, always-on heart rate, barometer, always-on altimeter, compass, SpO2, VO2max, temperature (body), temperature (water) |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Satellite systems | GLONASS, GALILEO, BDS, QZSS | GLONASS, GALILEO, BDS, QZSS |
| Barometric altimeter | Yes | Yes |
| Compass | Yes | Yes |
| Multisport / triathlon mode | 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 | ||
| Calls from the wrist | Yes | Yes |
| Speaker | Yes | Yes |
| Microphone | Yes | Yes |
| Voice assistant | Yes | Yes |
| Music on the watch | Yes | Yes |
| Storage | 64 GB | 64 GB |
| Platform | ||
| Operating system | watchOS 11 | watchOS 27 |
| Platform | watchOS | watchOS |
| Works with | iOS | iOS |
| Chipset | Apple S10 | Apple S11 |
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