Samsung Galaxy Watch 4

Last updated
Samsung Galaxy Watch 4
Samsung Galaxy Watch series.jpg
From left to right: Watch Active 2, 46mm Watch 4 Classic and Watch 4
Brand Samsung Galaxy
Manufacturer Samsung Electronics
Series Samsung Galaxy Watch series
ModelSM-R860, SM-R870, SM-R880, SM-R890 (Wi-Fi only), SM-R865U, SM-R875U, SM-R885U, SM-R895U (USA, LTE model)
Compatible networks 2G, 3G, 4G
First releasedAugust 27, 2021;2 years ago (2021-08-27)
Predecessor Samsung Galaxy Watch 3
Samsung Galaxy Watch Active 2
Successor Samsung Galaxy Watch 5
Type Smartwatch
Operating system Wear OS 4 with One UI Watch 5
System-on-chip Exynos W920 (5 nm)
CPU Dual-core 1.18GHz Cortex-A55
GPU Mali-G68 MP2
Memory1.5 GB RAM
Storage16 GB
BatteryNon-removable Li-Ion
247mAh (40mm)
361mAh (44mm)
ChargingWireless up to 10W
Display
External display Always On Display
Data inputs
Website Official Website
References [1] [2]

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 Samsung Gear Live, and the first watch to run Wear OS 3, co-developed by Samsung and Google. [3] The device largely followed the design language of the preceding Samsung Galaxy Watch Active and Galaxy Watch 3, but including all new software. [4] The watch also included EKG, body compositional analysis, and blood pressure monitoring via the new Samsung BioActive sensor. [5] It was announced on August 11, 2021, at Samsung's Unpacked Event alongside the Samsung Galaxy Z Flip 3, Samsung Galaxy Z Fold 3 and Galaxy Buds 2. [6] The watch was released worldwide on August 27, 2021.

Contents

Specifications

ModelGalaxy Watch 4Galaxy Watch 4 ClassicSource
Size40 mm44 mm42 mm46 mm [1]

[2]

Part No.SM-R860 (Wi-Fi)
SM-R865 (LTE)
SM-R870 (Wi-Fi)
SM-R875 (LTE)
SM-R880 (Wi-Fi)
SM-R885 (LTE)
SM-R890 (Wi-Fi)
SM-R895 (LTE)
ColorsBlack, Green, Pink Gold, SilverBlack, Green, SilverBlack, Silver
Display1.2" (30.4 mm)1.4" (34.6 mm)1.2" (30.4 mm)1.4" (34.6 mm)
Resolution396 x 396 pixels450 x 450 pixels396 x 396 pixels450 x 450 pixels
GlassCorning Gorilla Glass DX+Corning Gorilla Glass DX
ChassisAluminumStainless Steel
Processor Exynos W920 dual-core 1.18 GHz Cortex-A55
Operating System WearOS (OS 4.0)
UI One UI Watch 5
Size (Excluded the health sensor)40.4 mm x 39.3 mm x 9.8 mm44.4 mm x 43.3 mm x 9.8 mm41.5 mm x 41.5 mm x 11.2 mm45.5 mm x 45.5 mm x 11.0 mm
Weight (without strap)25.9 g30.3 g46.5 g52.0 g
Strap Size20 mm
Water Resistance5ATM + IP68 / MIL-STD-810G
Memory1.5 GB RAM + 16 GB flash memory
Connectivity
Sensors
  • Heart Rate Monitor
  • Blood Oxygen Monitor
  • Electrocardiography (ECG)
  • Blood Pressure Monitor
  • Bioelectrical Impedance Analysis
  • Accelerometer
  • Barometer
  • Gyro Sensor
  • Geomagnetic Sensor
  • Light Sensor
Battery247 mAh361 mAh247 mAh361 mAh

Software

The smartwatch was the first watch released by Samsung to use Wear OS instead of Samsung's own Tizen OS. [7]

This smartwatch is region locked in mainland China, unlike past models.

Supported languages and regions

Unlike past Wear OS devices, Wear OS 3 supports a wider variety of languages that the end user can choose from. An ADB command can be used to temporarily change the watch's language to another one, which will reset when the device is reconnected to the phone.

Depending on the region where the device was sold from, the language and region options may differ.

See also

Related Research Articles

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References

  1. 1 2 "Galaxy Watch4 and Galaxy Watch4 Classic: Reshaping the Smartwatch Experience". news.samsung.com. Retrieved August 29, 2021.
  2. 1 2 "Samsung Galaxy Watch 4 hits FCC ahead of possible 28 June unveil". wareable.com. Retrieved September 1, 2021.
  3. "Galaxy Watch 4 Review: Wear OS is Back, Baby!". www.droid-life.com. 20 August 2021. Retrieved 25 August 2021.
  4. Cipriani, Jason; Krol, Jacob (24 August 2021). "Samsung's Galaxy Watch 4 ushers in a new era of Android smartwatches". CNN. Retrieved 25 August 2021.
  5. Bohn, Dieter (18 August 2021). "Galaxy Watch 4 review: welcome to Samsung's garden". The Verge. Retrieved 25 August 2021.
  6. Stein, Scott. "Galaxy Watch 4: Samsung is coming for Apple Watch's crown with Wear OS 3". CNET. Retrieved 25 August 2021.
  7. "Galaxy Watch 4 review: welcome to Samsung's garden". www.theverge.com. 18 August 2021. Retrieved September 1, 2021.