Compare Apple Watch Series 4 40mm
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| Dimensions | 40 x 34 x 10.7 mm | not yet known | not yet known | not yet known |
| Weight | 30.1 grams | not yet known | not yet known | not yet known |
| Stand-by | 0.8 days | depends on usage | depends on usage | depends on usage |
| Talk time | depends on usage | depends on usage | depends on usage | depends on usage |
| Watch | ||||
| Touchscreen | Capacitive | |||
| Voice command | ||||
| Directional key | ||||
| watchOS | 4.0 | |||
| Color display | Adjustable display brightness, 16.777.216 colors (24 bits), OLED | TFT | AMOLED | AMOLED |
| 1.34 inch | 1.34 inch | 1.34 inch | 1.34 inch |
| 272 x 340 pixels | 300 x 300 pixels | 300 x 300 pixels | 300 x 300 pixels |
| 5:4 | 1:1 | 1:1 | 1:1 |
| 325 | 317 | 317 | 317 |
| 41.6% | |||
| Processor | Apple S4, Dual Core | |||
| Dust and waterproof | IPX7 | 5 ATM | 5 ATM | 5 ATM |
| Gorilla Glass | ||||
| Integrated handsfree speaker | ||||
| Vibrating alert | ||||
| Alarm clock | ||||
| Date and time notation | ||||
| Reminder list | ||||
| Stopwatch & countdown timer | ||||
| Agenda | ||||
| Pedometer | ||||
| Photo album | ||||
| Build-in navigation system | Apple Maps | |||
| GLONASS | ||||
| GPS receiver | ||||
| A-GPS | ||||
| Digital Compass | ||||
| Microphone | ||||
| Internal memory | ||||
| 512 MB | |||
| 16 GB | 4 GB | 4 GB | 4 GB |
| Bluetooth | v5.0 | v4.0 | v4.0 | v4.0 |
| Synchronisation | ||||
| Wireless Lan (WLAN/Wi-Fi) | Wi-Fi 4 (802.11n) | Wi-Fi 4 (802.11n) | Wi-Fi 4 (802.11n) | Wi-Fi 4 (802.11n) |
| NFC | ||||
| Battery | Li-ion | Li-poly | Li-poly | Li-poly |
| 273 mAh | |||
| Ambient light sensor | ||||
| Barometer | ||||
| Gesture recognition | ||||
| Gyroscope | ||||
| Heart rate monitor | ||||
| Altimeter | ||||
| With iOS | 8.3+ | |||
| With Android | 5.0+ | 5.0+ | 5.0+ | |
