Samsung Galaxy Watch 4

Samsung Galaxy Watch 4
	From left to right: Watch Active 2, 46mm Watch 4 Classic and Watch 4
Brand	Samsung Galaxy
Manufacturer	Samsung Electronics
Type	Smartwatch
Series	Samsung Galaxy Watch series
First released	August 27, 2021
Predecessor	Samsung Galaxy Watch 3; Samsung Galaxy Watch Active 2
Successor	Samsung Galaxy Watch 5
Compatible networks	Cellular: 2G, 3G, 4G
Operating system	Wear OS 5 with One UI Watch 6
System-on-chip	Exynos W920 (5 nm) System-in-Package
CPU	Dual-core 1.18GHz Cortex-A55
GPU	667MHz Mali-G68 MP2
Memory	1.5 GB LPDDR4X RAM
Storage	16 GB eMMC 5.1
Battery	Non-removable Li-Ion 247mAh (40 mm); 361mAh (44 mm);
Charging	Wireless up to 10W
Display	1.19 in (30 mm) RGB stripe Super AMOLED capacitive display, 396×396 pixels, 16 M colours, ~330 ppi, 1:1 aspect ratio; 1.36 in (35 mm) RGB stripe Super AMOLED capacitive display, 450×450 pixels, 16 M colours, ~327 ppi, 1:1 aspect ratio; Digital touch bezel or physical rotating bezel (Classic); Glass front (Gorilla Glass DX+) (Galaxy Watch 4) (Gorilla Glass DX+) (Galaxy Watch 4 Classic);
External display	Always On Display
Data inputs	Heart rate monitor; ; Bioelectrical Impedance Analysis; Accelerometer; Gyroscope; Barometer; Natural language commands & dictation;
Model	SM-R860, SM-R870, SM-R880, SM-R890 (Wi-Fi only), SM-R865U, SM-R875U, SM-R885U, SM-R895U (USA, LTE model)
Website	Official Website
References

The Samsung Galaxy Watch 4 (stylized as Samsung Galaxy Watch4) is a smartwatch developed by Samsung Electronics. It is the first Samsung watch to run Google's Wear OS since the Gear Live, and the first watch to run Wear OS 3, co-developed by Samsung and Google. The device largely followed the design language of the preceding Galaxy Watch Active and Galaxy Watch 3, but including all new software. The watch also included EKG, body compositional analysis, and blood pressure monitoring via the new Samsung BioActive sensor. It was announced on August 11, 2021, at Samsung's Galaxy Unpacked event alongside the Galaxy Z Flip 3, Galaxy Z Fold 3 and Galaxy Buds 2. The watch was released worldwide on August 27, 2021.