Compare Samsung Galaxy Watch 4 40mm
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| Dimensions | 40.4 x 39.3 x 9.8 mm | 49 x 44 x 14.4 mm |
| Weight | 25.9 grams | 61.4 grams |
| Stand-by | depends on usage | 3 days |
| Talk time | depends on usage | depends on usage |
| Watch | ||
| Directional key | ||
| Touchscreen | Capacitive | Force Touch, Capacitive |
| Voice command | ||
| Hand gestures | ||
| Wear OS | ||
| watchOS | 10 | |
| One UI Watch | ||
| 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), Always-On Retina Display, Always On feature |
| 1.2 inch | 1.9 inch |
| 396 x 396 pixels | 410 x 502 pixels |
| 1:1 | |
| 3000 nits | |
| 467 | 341 |
| 29.3% | 52.9% |
| Integrated antenna | ||
| Processor | Samsung Exynos W920, Dual Core | Apple S9, Dual Core |
| 1.18 GHz | |
| Aluminium | ||
| Dust and waterproof | IP68, 5 ATM | IP6X, 10 ATM |
| Gorilla Glass | DX+ | |
| Rugged housing | MIL-STD-810G | MIL-STD-810H |
| Sapphire Crystal | ||
| Sustainable | Carbon neutral | |
| Titanium | ||
| Agenda | ||
| Alarm clock | ||
| Date and time notation | ||
| Stopwatch & countdown timer | ||
| Reminder list | ||
| Pedometer | ||
| Photo album | ||
| Instant messaging | ||
| MMS | ||
| SMS | ||
| A-GPS | ||
| Beidou | ||
| Galileo | ||
| GLONASS | ||
| GPS receiver | ||
| Build-in navigation system | Apple Maps | |
| Digital Compass | ||
| Quasi-Zenith (QZSS) | ||
| Internal memory | ||
| 1.5 GB | |
| 16 GB | 64 GB |
| Bluetooth | v5.0 | v5.3 |
| NFC | ||
| Wireless Lan (WLAN/Wi-Fi) | Wi-Fi 4 (802.11n) | Wi-Fi 4 (802.11n) |
| Satellite communication | ||
| Synchronisation | ||
| Ultra-wideband (UWB) | ||
| Battery | Li-ion | |
| 247 mAh | 564 mAh |
| Wireless charging | ||
| Fast charging | ||
| Ambient light sensor | ||
| Barometer | ||
| Gesture recognition | ||
| Gyroscope | ||
| Heart rate monitor | ||
| Oxygen saturation (SpO2) | ||
| Altimeter | ||
| Thermometer | ||
| With Android | Vanaf 6.0 | |
| With iOS | ||
| Integrated handsfree speaker | ||
| Vibrating alert | ||
| 4G (LTE) | ||
| UMTS | ||
| Microphone | ||
