vs
8.8Display5.8
9.2Health tracking8.6
8.0Sports & outdoor6.4
9.0Smart features8.3
5.7Build & durability4.0
Dimensions
Size comparison
Watch Series 12 AluminumWatch 4
| Watch Series 12 Aluminum | Watch 4 | Difference | |
|---|---|---|---|
| Height | 46 mm | 46.2 mm | −0.2 mm |
| Width | 40 mm | 46.2 mm | −6.2 mm |
| Thickness | 9.7 mm | 10.9 mm | −1.2 mm |
| Weight | 40 g | 48 g | −8 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Watch Series 12 Aluminum better than Watch 4?
- Screen size1.96″ vs 1.5″+31%
- Weight39.5 g vs 48 g+22%
- Storage64 GB vs 32 GB2×
- Thickness9.7 mm vs 10.9 mm+12%
- Pixel density326 ppi vs 310 ppi+5%
Why is Watch 4 better than Watch Series 12 Aluminum?
- Battery capacity377 mAh vs 530 mAh+41%
- Resolution (width)416 px vs 466 px+12%
Specifications
Side by side
| Design & durability | ||
| Case size | 46 mm | 46 mm |
| Weight | 39.5 g | 48 g |
| Thickness | 9.7 mm | 10.9 mm |
| Height | 46 mm | 46.2 mm |
| Width | 40 mm | 46.2 mm |
| Case material | — | Stainless steel |
| Lens / cover glass | Ceramic Shield 2 | — |
| Strap material | — | Leder, Fluorelastomer |
| Water resistance | 5 ATM | 5 ATM |
| Ingress protection | IP6X | IP6X |
| Water rating (maker) | — | 50 m / 5 bar / 5 ATM |
| Colours | Dark Bronze, Light Gold, Black, Space Gray | Black |
| Display | ||
| Screen size | 1.96″ | 1.5″ |
| Display technology | OLED | AMOLED |
| Panel | Retina LTPO3 OLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Touchscreen | — | Yes |
| Resolution (width) | 416 px | 466 px |
| Resolution (height) | 496 px | 466 px |
| Pixel density | 326 ppi | 310 ppi |
| Peak brightness | 2,000 nits | — |
| LTPO display | Yes | — |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery life (smartwatch mode) | — | 3 days |
| Battery capacity | 377 mAh | 530 mAh |
| Battery type | Li-Ion | Li-Ion |
| Wireless charging | Yes | Yes |
| Charged in 30 min | 80% | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| ECG | Yes | Yes |
| Skin temperature | Yes | Yes |
| Temperature sensor | Yes | Yes |
| Sleep tracking | — | Yes |
| Sensors | Accelerometer, gyro, always-on heart rate, barometer, always-on altimeter, compass, SpO2, VO2max, temperature (body), temperature (water) | Accelerometer, gyro, heart rate, barometer, compass, SpO2, thermometer (body temperature) |
| 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 |
| Connectivity | ||
| NFC payments | Yes | Yes |
| LTE (cellular) | Yes | Yes |
| eSIM | Yes | Yes |
| Wi-Fi | Wi-Fi 4 | Wi-Fi 4 |
| Bluetooth | 5.3 | 5.2 |
| Ultra Wideband | Yes | — |
| Smart features | ||
| Speaker | Yes | Yes |
| Voice assistant | — | Yes |
| Music on the watch | — | Yes |
| Storage | 64 GB | 32 GB |
| RAM | — | 2 GB |
| Platform | ||
| Operating system | watchOS 27 | HarmonyOS 3.0 |
| Platform | watchOS | HarmonyOS |
| Works with | — | iOS, Android |
| Chipset | Apple S11 | Qualcomm Snapdragon W5 Gen 1 |
Related comparisons
vs
Apple Watch Series 12 AluminumvsApple Watch Series 11 Aluminum9.09.3vs
Apple Watch Series 12 AluminumvsSamsung Galaxy Watch99.09.0vs
Apple Watch Series 12 AluminumvsApple Watch Series 10 Aluminum9.09.4vs
Apple Watch Series 12 AluminumvsHuawei Watch GT Runner 29.08.8vs
Apple Watch Series 12 AluminumvsAmazfit Balance Ultra9.09.7vs
Apple Watch Series 12 AluminumvsHuawei Watch 6 Pro9.08.8