Compare Samsung Galaxy Watch 4 40mm
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| Dimensions | 40.4 x 39.3 x 9.8 mm | 42.8 x 44.4 x 9 mm |
| Weight | 25.9 grams | 33.3 grams |
| Stand-by | depends on usage | depends on usage |
| Talk time | depends on usage | depends on usage |
| Watch | ||
| Directional key | ||
| Touchscreen | Capacitive | Capacitive |
| Voice command | ||
| Wear OS | 4.0 | |
| One UI Watch | 5.0 | |
| Color display | 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 |
| 1.2 inch | 1.5 inch |
| 396 x 396 pixels | 480 x 480 pixels |
| 1:1 | 1:1 |
| 467 | 453 |
| 29.3% | 38.2% |
| Integrated antenna | ||
| Processor | Samsung Exynos W920, Dual Core | Samsung Exynos W930, Dual Core |
| 1.18 GHz | 1.4 GHz |
| Aluminium | ||
| Dust and waterproof | IP68, 5 ATM | IP68, 5 ATM |
| Gorilla Glass | DX+ | |
| Rugged housing | MIL-STD-810G | MIL-STD-810H |
| Sapphire Crystal | ||
| Agenda | ||
| Alarm clock | ||
| Date and time notation | ||
| Stopwatch & countdown timer | ||
| Pedometer | ||
| Instant messaging | ||
| MMS | ||
| SMS | ||
| A-GPS | ||
| Beidou | ||
| Galileo | ||
| GLONASS | ||
| GPS receiver | ||
| Digital Compass | ||
| Internal memory | ||
| 1.5 GB | 2 GB |
| 16 GB | 16 GB |
| Bluetooth | v5.0 | v5.3 |
| NFC | ||
| Wireless Lan (WLAN/Wi-Fi) | Wi-Fi 4 (802.11n) | Wi-Fi 4 (802.11n) |
| Battery | ||
| 247 mAh | 425 mAh |
| Wireless charging | ||
| Ambient light sensor | ||
| Barometer | ||
| Gesture recognition | ||
| Gyroscope | ||
| Heart rate monitor | ||
| Oxygen saturation (SpO2) | ||
| Thermometer | ||
| With Android | Vanaf 6.0 | Vanaf 10.0 |
