Compare Apple Watch Series 4 40mm
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| Dimensions | 40 x 34 x 10.7 mm |
| Weight | 30.1 grams |
| Stand-by | 0.8 days |
| Talk time | depends on usage |
| Watch | |
| Touchscreen | Capacitive |
| Voice command | |
| watchOS | 4.0 |
| Color display | Adjustable display brightness, 16.777.216 colors (24 bits), OLED |
| 1.34 inch |
| 272 x 340 pixels |
| 5:4 |
| 325 |
| 41.6% |
| Processor | Apple S4, Dual Core |
| Dust and waterproof | IPX7 |
| Integrated handsfree speaker | |
| Vibrating alert | |
| Alarm clock | |
| Date and time notation | |
| Reminder list | |
| Stopwatch & countdown timer | |
| Pedometer | |
| Photo album | |
| Build-in navigation system | Apple Maps |
| GLONASS | |
| GPS receiver | |
| Microphone | |
| Internal memory | |
| 512 MB |
| 16 GB |
| Bluetooth | v5.0 |
| Synchronisation | |
| Wireless Lan (WLAN/Wi-Fi) | Wi-Fi 4 (802.11n) |
| Battery | Li-ion |
| 273 mAh |
| Ambient light sensor | |
| Barometer | |
| Gesture recognition | |
| Gyroscope | |
| Heart rate monitor | |
| With iOS | 8.3+ |
