Compare Samsung Galaxy Watch 4 40mm
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 |  |  |  | Add smartwatch to comparison |
|---|---|---|---|---|
| Dimensions: | 40.4 x 39.3 x 9.8 mm | 43.2 x 43.2 x 12.4 mm | 46.5 x 46.5 x 10.6 mm | |
| Weight: | 25.9 grams | 46.3 grams | 46 grams | |
| Stand-by: | depends on usage | depends on usage | 2 week | |
| Talk time: | depends on usage | depends on usage | depends on usage | |
| Announced: | 11 august 2021 | 9 september 2019 | 16 october 2018 | |
Design type | ||||
| Watch: | ||||
Controls | ||||
| Directional key: | ||||
| Touchscreen: | Capacitive | Capacitive | ||
| Voice command: | ||||
Operating system | ||||
| Wear OS: | ||||
User interface | ||||
| One UI Watch: | ||||
Display | ||||
| Color display: | Adjustable display brightness, 16.777.216 colors (24 bits), Circular Super AMOLED, Always On feature | AMOLED | AMOLED | |
| Resolution: | 396 x 396 pixels | 390 x 390 pixels | 454 x 454 pixels | |
| Size: | 1.2 inch | 1.2 inch | 1.39 inch | |
| Aspect ratio: | 1:1 | 1:1 | 1:1 | |
| Pixels Per Inch (PPI): | 467 | 460 | 462 | |
| Screen-to-body ratio: | 29.3% | 24.9% | 28.8% | |
Hardware | ||||
| Integrated antenna: | ||||
| Processor: | Samsung Exynos W920, Dual Core | ARM Cortex M4 | ||
| Clock Frequency: | 1.18 GHz | |||
Materials | ||||
| Aluminium: | ||||
| Dust and waterproof: | IP68, 5 ATM | 5 ATM | 5 ATM | |
| Gorilla Glass: | DX+ | |||
| Rugged housing: | MIL-STD-810G | |||
Personal Information | ||||
| Agenda: | ||||
| Alarm clock: | ||||
| Date and time notation: | ||||
| Stopwatch & countdown timer: | ||||
| Reminder list: | ||||
Available applications | ||||
| Pedometer: | ||||
| Calories: | ||||
Messaging | ||||
| E-mail: | ||||
| Instant messaging: | ||||
| MMS: | ||||
| SMS: | ||||
Navigation | ||||
| A-GPS: | ||||
| Beidou: | ||||
| Galileo: | ||||
| GLONASS: | ||||
| GPS receiver: | ||||
| Digital Compass: | ||||
Build-in memory | ||||
| Internal memory: | ||||
| Size (RAM): | 1.5 GB | 16 MB | ||
| Storage: | 16 GB | 128 MB | ||
Connectivity | ||||
| Bluetooth: | v5.0 | v4.2 | ||
| NFC: | ||||
| Wireless Lan (WLAN/Wi-Fi): | Wi-Fi 4 (802.11n) | |||
| ANT+: | ||||
Power supply | ||||
| Battery: | 247 mAh | 420 mAh | ||
| Wireless charging: | ||||
Sensors | ||||
| Ambient light sensor: | ||||
| Barometer: | ||||
| Gesture recognition: | ||||
| Gyroscope: | ||||
| Heart rate monitor: | ||||
| Oxygen saturation (SpO2): | ||||
| Altimeter: | ||||
Compatibility | ||||
| With Android: | Vanaf 6.0 | 4.4+ | ||
| With iOS: | 9.0+ | |||
