Compare Apple Watch Series 4 40mm
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| Dimensions | 40 x 34 x 10.7 mm | 46 x 49 x 12.9 mm | 41.9 x 45.7 x 12.7 mm | 44.4 x 43.3 x 9.8 mm | 40.4 x 39.3 x 9.8 mm |
| Weight | 30.1 grams | 62 grams | 49 grams | 30.3 grams | 25.9 grams |
| Stand-by | 0.8 days | depends on usage | 3.3 days | depends on usage | depends on usage |
| Talk time | depends on usage | depends on usage | depends on usage | depends on usage | depends on usage |
| Watch | |||||
| Touchscreen | Capacitive | Capacitive | Capacitive | Capacitive | Capacitive |
| Voice command | |||||
| Directional key | |||||
| watchOS | 4.0 | ||||
| Tizen | 2.3.2 | 4 | |||
| Wear OS | |||||
| Color display | Adjustable display brightness, 16.777.216 colors (24 bits), OLED | Adjustable display brightness, 16.777.216 colors (24 bits), Circular Super AMOLED | Adjustable display brightness, 16.777.216 colors (24 bits), Circular Super AMOLED, Always On feature | Adjustable display brightness, 16.777.216 colors (24 bits), Circular Super AMOLED, Always On feature | Adjustable display brightness, 16.777.216 colors (24 bits), Circular Super AMOLED, Always On feature |
| 1.34 inch | 1.3 inch | 1.2 inch | 1.4 inch | 1.2 inch |
| 272 x 340 pixels | 360 x 360 pixels | 360 x 360 pixels | 450 x 450 pixels | 396 x 396 pixels |
| 5:4 | 1:1 | 1:1 | 1:1 | 1:1 |
| 325 | 392 | 424 | 455 | 467 |
| 41.6% | 24.2% | 24.3% | 32.9% | 29.3% |
| Processor | Apple S4, Dual Core | Dual Core | Samsung Exynos 9110, Dual Core | Samsung Exynos W920, Dual Core | Samsung Exynos W920, Dual Core |
| 1 GHz | 1.15 GHz | 1.18 GHz | 1.18 GHz | |
| Integrated antenna | |||||
| Dust and waterproof | IPX7 | IP68 | IP68, 5 ATM | IP68, 5 ATM | IP68, 5 ATM |
| Gorilla Glass | DX+ | DX+ | |||
| Rugged housing | MIL-STD-810G | MIL-STD-810G | MIL-STD-810G | ||
| Aluminium | |||||
| Integrated handsfree speaker | |||||
| Vibrating alert | |||||
| eSIM | |||||
| Flight mode | |||||
| 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 | |||||
| Beidou | |||||
| Galileo | |||||
| Microphone | |||||
| Audio codec support | AAC, AAC+, eAAC+, OGG Vorbis | ||||
| Audio file support | M4A, MP3 | ||||
| Internal memory | |||||
| 512 MB | 768 MB | 768 MB | 1.5 GB | 1.5 GB |
| 16 GB | 4 GB | 4 GB | 16 GB | 16 GB |
| Bluetooth | v5.0 | v4.2, Advanced Audio Distribution Profile (A2DP) | v4.2 | v5.0 | v5.0 |
| 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) | Wi-Fi 4 (802.11n) |
| NFC | |||||
| Battery | Li-ion | Li-ion | |||
| 273 mAh | 380 mAh | 270 mAh | 361 mAh | 247 mAh |
| Wireless charging | |||||
| Ambient light sensor | |||||
| Barometer | |||||
| Gesture recognition | |||||
| Gyroscope | |||||
| Heart rate monitor | |||||
| Oxygen saturation (SpO2) | |||||
| With iOS | 8.3+ | 9.0+ | |||
| With Android | 5.0+ | Vanaf 6.0 | Vanaf 6.0 | ||
| 4G (LTE) | |||||
| GPRS | |||||
| UMTS | |||||
| Instant messaging | |||||
| MMS | |||||
| SMS | |||||
| USB | v2.0 | ||||
| One UI Watch | |||||
