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Dimensions
Size comparison
Watch Series 5 AluminumJ888
| Watch Series 5 Aluminum | J888 | Difference | |
|---|---|---|---|
| Case size | 38 mm | 45 mm | −7 mm |
| Thickness | 10.7 mm | 14 mm | −3.3 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is Watch Series 5 Aluminum better than J888?
- Thickness10.7 mm vs 14 mm+31%
Why is J888 better than Watch Series 5 Aluminum?
J888 has no measurable advantages in this pair.
Specifications
Side by side
| Design & durability | ||
| Case size | — | 45 mm |
| Weight | 36.7 g | — |
| Thickness | 10.7 mm | 14 mm |
| Height | 44 mm | — |
| Width | 38 mm | — |
| Case material | Aluminium | Stainless steel |
| Sapphire crystal | — | Yes |
| Lens / cover glass | Ion-X strengthened glass | Saphirglas Saphirglas |
| Strap material | — | Edelstahl |
| Water resistance | — | 20 ATM |
| Water rating (maker) | — | 200 m / 20 bar / 20 ATM |
| Colours | Silver, Gold, Space Gray | Silver |
| Display | ||
| Screen size | 1.78″ | — |
| Panel | Retina LTPO OLED | — |
| AMOLED / OLED display | Yes | — |
| Resolution (width) | 368 px | — |
| Resolution (height) | 448 px | — |
| Pixel density | 326 ppi | — |
| Peak brightness | 1,000 nits | — |
| LTPO display | Yes | — |
| Refresh rate | 60 Hz | — |
| Battery | ||
| Battery capacity | 296 mAh | — |
| Battery type | Li-Po | — |
| Wireless charging | Yes | — |
| Health sensors | ||
| Optical heart rate | Yes | — |
| Sensors | Accelerometer, gyro, heart rate, barometer, compass | accelerometer |
| Sports & navigation | ||
| Built-in GPS | Yes | — |
| Satellite systems | GLONASS, GALILEO, QZSS | — |
| Barometric altimeter | Yes | — |
| Connectivity | ||
| NFC payments | Yes | — |
| LTE (cellular) | Yes | — |
| eSIM | Yes | — |
| Wi-Fi | Wi-Fi 4 | — |
| Bluetooth | 5 | 5 |
| Smart features | ||
| Storage | 32 GB | — |
| RAM | 1 GB | — |
| Platform | ||
| Operating system | watchOS 6.0 | — |
| Platform | watchOS | — |
| Works with | — | iOS, Android |
| Chipset | Apple S5 | — |
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