| Feature | Specification |
|---|
| Model Name | Galaxy Watch 4 |
| Size Options | 40mm, 44mm |
| Operating System | Wear OS powered by Samsung, with One UI Watch 3 |
| Display Type | Super AMOLED |
| Display Resolution | 450 x 450 pixels (44mm), 396 x 396 pixels (40mm) |
| Processor | Exynos W920, Dual-core, 1.18 GHz |
| RAM | 1.5 GB |
| Storage | 16 GB |
| Battery Capacity | 361 mAh (44mm), 247 mAh (40mm) |
| Battery Life | Up to 40 hours |
| Connectivity | Bluetooth 5.0, Wi-Fi, NFC, GPS, LTE (optional) |
| Water Resistance | 5ATM + IP68, MIL-STD-810G |
| Sensors | Accelerometer, Gyroscope, Barometer, Optical Heart Rate Sensor, ECG |
| Health Features | Body Composition Analysis, Sleep Tracking, Blood Oxygen, Stress Tracking |
| Colors Available | Black, Green, Silver (44mm); Black, Pink Gold, Silver (40mm) |
| Strap Compatibility | 20mm (40mm), 22mm (44mm) |
| Weight | 30.3g (44mm), 25.9g (40mm) |
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