Compare Samsung Galaxy Watch 4 40mm
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| Dimensions | 40.4 x 39.3 x 9.8 mm | not yet known | not yet known |
| Weight | 25.9 grams | not yet known | not yet known |
| Stand-by | depends on usage | depends on usage | depends on usage |
| Talk time | depends on usage | depends on usage | depends on usage |
| Watch | |||
| Fitness tracker | |||
| Directional key | |||
| Touchscreen | Capacitive | ||
| Voice command | |||
| Wear OS | |||
| One UI Watch | |||
| Color display | Adjustable display brightness, 16.777.216 colors (24 bits), Circular Super AMOLED, Always On feature | AMOLED | Adjustable display brightness, AMOLED, Always On feature |
| 1.2 inch | 1.34 inch | 1.04 inch |
| 396 x 396 pixels | 300 x 300 pixels | |
| 1:1 | 1:1 | |
| 467 | 317 | |
| 29.3% | ||
| Integrated antenna | |||
| Processor | Samsung Exynos W920, Dual Core | ||
| 1.18 GHz | ||
| Aluminium | |||
| Dust and waterproof | IP68, 5 ATM | 5 ATM | 5 ATM |
| Gorilla Glass | DX+ | 3 | |
| Rugged housing | MIL-STD-810G | ||
| Glass | |||
| Plastic | |||
| Agenda | |||
| Alarm clock | |||
| Date and time notation | |||
| Stopwatch & countdown timer | |||
| Reminder list | |||
| Pedometer | |||
| Calories | |||
| Instant messaging | |||
| MMS | |||
| SMS | |||
| A-GPS | |||
| Beidou | |||
| Galileo | |||
| GLONASS | |||
| GPS receiver | |||
| Digital Compass | |||
| Internal memory | |||
| 1.5 GB | ||
| 16 GB | 4 GB | |
| Bluetooth | v5.0 | v4.0 | v4.0 |
| NFC | |||
| Wireless Lan (WLAN/Wi-Fi) | Wi-Fi 4 (802.11n) | Wi-Fi 4 (802.11n) | |
| Battery | Li-poly | Li-poly | |
| 247 mAh | ||
| Wireless charging | |||
| Ambient light sensor | |||
| Barometer | |||
| Gesture recognition | |||
| Gyroscope | |||
| Heart rate monitor | |||
| Oxygen saturation (SpO2) | |||
| Altimeter | |||
| With Android | Vanaf 6.0 | 5.0+ | Vanaf 8.0 |
| With iOS | Vanaf 12 | ||
| Vibrating alert | |||
| Microphone | |||
| USB | |||
