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Galaxy Watch4 and Galaxy Watch4 Classic: Reshaping the Smartwatch Experience
The Galaxy Watch4 series delivers a holistic suite of health features, an all-new OS and UI and enhanced hardware performance
news.samsung.com
Galaxy Watch4 is equipped with Samsung’s groundbreaking BioActive Sensor, which boasts a smaller and more compact design that doesn’t detract from measurement accuracy. This new 3-in-1 sensor uses a single chip to precisely run three powerful health sensors — Optical Heart Rate, Electrical Heart and Bioelectrical Impedance Analysis — so users can monitor their blood pressure,12 detect an AFib irregular heartbeat,32 measure their blood oxygen level,4 and, for the first time, calculate their body composition.5 Our all-new Body Composition measurement tool gives users a deeper understanding of their general health and fitness, with key measurements like skeletal muscle, basal metabolic rate, body water and body fat percentage. Now, you can easily check your body composition from your wrist with just two fingers. In about 15 seconds, your watch’s sensor will capture 2,400 data points.
Galaxy Watch4 | Galaxy Watch4 Classic | |
---|---|---|
Color | – 44mm: Black, Green, Silver – 40mm: Black, Pink Gold, Silver | – 46mm: Black, Silver – 42mm: Black, Silver |
Dimensions19 & Weight11 | Aluminum case– 44mm: 44.4 x 43.3 x 9.8mm, 30.3g – 40mm: 40.4 x 39.3 x 9.8mm, 25.9g | Stainless steel case– 46mm: 45.5 x 45.5 x 11.0mm, 52g – 42mm: 41.5 x 41.5 x 11.2mm, 46.5g |
Display | – 44mm: 1.4″ (34.6mm) 450×450 Super AMOLED, Full Color Always On Display, Corning® Gorilla® Glass with DX+– 40mm: 1.2″ (30.4mm) 396×396 Super AMOLED, Full Color Always On Display, Corning® Gorilla® Glass with DX+ | – 46mm: 1.4″ (34.6mm) 450×450 Super AMOLED, Full Color Always On Display, Corning® Gorilla® with Glass DX– 42mm: 1.2″ (30.4mm) 396×396 Super AMOLED, Full Color Always On Display, Corning® Gorilla® with Glass DX |
Processor | Exynos W920 Dual Core 1.18GHz (5nm Processor) | Exynos W920 Dual Core 1.18GHz (5nm Processor) |
Memory | 1.5GB RAM + 16GB internal storage | 1.5GB RAM + 16GB internal storage |
Battery | 44mm/46mm: 361mAh, 40mm/42mm: 247mAh (typical)WPC-based wireless charging | 44mm/46mm: 361mAh, 40mm/42mm: 247mAh (typical)WPC-based wireless charging |
OS | Wear OS Powered by Samsung20 | Wear OS Powered by Samsung20 |
UI | One UI Watch 3 | One UI Watch 3 |
Sensors | Samsung BioActive Sensor (Optical Heart Rate + Electrical Heart + Bioelectrical Impedance Analysis), Accelerometer, Barometer, Gyro Sensor, Geomagnetic Sensor, Light Sensor | Samsung BioActive Sensor (Optical Heart Rate + Electrical Heart + Bioelectrical Impedance Analysis), Accelerometer, Barometer, Gyro Sensor, Geomagnetic Sensor, Light Sensor |
Connectivity | LTE,21 Bluetooth 5.0, Wi-Fi 802.11 a/b/g/n 2.4+5GHz, NFC, GPS/Glonass/Beidou/Galileo | LTE,21 Bluetooth 5.0, Wi-Fi 802.11 a/b/g/n 2.4+5GHz, NFC, GPS/Glonass/Beidou/Galileo |
Durability | 5ATM + IP68 / MIL-STD-810G | 5ATM + IP68 / MIL-STD-810G |
Compatibility | Android 6.0 or higher and with more than 1.5GB of RAM22 | Android 6.0 or higher and with more than 1.5GB of RAM22 |
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