Samsung Galaxy Watch 3

The Samsung Galaxy Watch 3 (stylized as Samsung Galaxy Watch3) is a smartwatch developed by Samsung Electronics that was released on August 5, 2020 at Samsung's Unpacked Event alongside the flagships of the Galaxy Note series and Galaxy Z series, i.e., the Samsung Galaxy Note 20 and Samsung Galaxy Z Fold 2, respectively.[2][3][4][5][6]

Samsung Galaxy Watch 3
Samsung Galaxy Watch 3.jpg
BrandSamsung Galaxy
ManufacturerSamsung Electronics
SeriesSamsung Galaxy Watch series
ModelSM-R855F, SM-R845F (Global, LTE model), SM-R855U, SM-R845U (USA, LTE model), SM-R850, SM-840 (Wi-Fi only)
Compatible networks2G, 3G, 4G
First releasedAugust 5, 2020; 2 years ago (2020-08-05)
PredecessorSamsung Galaxy Watch
SuccessorSamsung Galaxy Watch 4
RelatedSamsung Galaxy Watch Active 2
Operating systemTizen OS 5.5 Tizen OS
Memory1 GB RAM
Storage8 GB
Display1.4 in (36 mm) Super AMOLED capacitive display, 360×360 pixels, 16 M colours, ~364 ppi density, 6.3cm2, 1:1 aspect ratio, glass front (Gorilla Glass DX), touch sensitive bezel
External displayAlways On Display
ConnectivityGSM/HSPA/LTE, 2G/GSM/850/900/1800/2100, 3G/HSDPA/850/900/2100, 4G/1/3/5/7/8/20, Speed, HSPA 42.2/5.76 Mbps, LTE, Wi-Fi 802.11/b/g/n, Bluetooth 5.0, A2DP, LE, A-GPS, GLONASS, GALILEO, BDS, 3IGL, eSIM, MIL-STD-810G compliant, ECG certified
Data inputs

Due to limitations of the COVID-19 pandemic on certain social gatherings, the smartwatch was released via Samsung's online channels.[5][4][3]



The Galaxy Watch 3 comes with a 1.4 (360×360) inch circular Super AMOLED display with a pixel density of 257 ppi (360 pixels/1.4 inches= 257.14 Pixels/Inch), powered by a non-removable 340 mAh battery and recharged using Qi inductive charging. The smartwatch has 1GB of RAM and 8GB of internal storage. The Galaxy Watch 3 also features a fully rotatable physical bezel with the display glass made from Corning Gorilla Glass DX. The device is compatible with a 20 or 22mm straps, depending on model. The Galaxy Watch 3 comes in Bronze, Black, and Silver colour options.[1]

Model Galaxy Watch3 Source
Size 41 mm 45 mm [7][8][9]
Colors Mystic Bronze, Mystic Silver Mystic Black, Mystic Silver (premium titanium model available in Mystic Black only)
Display 1.2” (30mm), full-color, always-on Circular Super AMOLED 1.4” (34mm), full-color, always-on Circular Super AMOLED
Resolution 360 x 360 pixels
Model No. SM-R850 (Wi-Fi/Bluetooth only), SM-R855U (Unlocked USA LTE model), SM-R855F (Global LTE), SM-R855N (Korea LTE only), SM-R8450 (China LTE, 45mm only) SM-R840 (US Wi-Fi/Bluetooth only), SM-R845U (Unlocked US LTE), SM-R845F (Global LTE), SM-R845N (Korea LTE only)
SIM eSim (LTE models only)
Chassis/Band Materials Stainless steel 316L frame with premium leather strap Stainless steel 316L frame with premium leather strap (accepts all 22mm watch straps/bands);

Titanium frame model with metal strap (accepts all 22mm watch straps/bands)

Glass Corning ® Gorilla ® Glass DX
Processor/GPU Exynos 9110 (10nm) dual-core 1.15 GHz ARM Cortex-A53; GPU: Mali-T720
Memory (RAM) 1GiB
Operating System Tizen (OS 5.5)
Dimensions 41 x 42.5 x 11.3 mm (measured without strap) 45 x 46.2 x 11.1 mm (measured without strap)
Weight (without strap) 48.2g 53.8g (stainless steel); 43g (titanium)
Strap/Band Size 20 mm (accepts most universal 20mm watch straps/bands) 22 mm (accepts most universal 22mm watch straps/bands)

Water Resistance

MIL-STD-810G, Water Resistance to 5 ATM (50m) + IP68 rated
Storage 1GB RAM
8GB Internal Storage (eMMC)
Connectivity[10] All models: Wi-Fi 802.11/b/g/n, Bluetooth 5.0, A2DP, LE, A-GPS, GLONASS, GALILEO, BDS
US LTE models (SM-R845U, SM-R855U), via eSIM: LTE bands 2/4/5/12/13/25/26/66/71; UTMS bands 2/4/5

US carrier support: Verizon, T-Mobile/Sprint, AT&T

International LTE models (SM-R845F, SM-R855F), via eSIM: LTE bands 1/3/5/7/8/20/28; UTMS bands 1/5/8

GSM/HSPA/LTE, 2G/GSM/850/900/1800/2100, 3G/HSDPA/850/900/2100

Korea-only LTE models (SM-R845N, SM-R855N), via eSIM: LTE bands 1/3/5/7/8; UTMS bands 1/5/8

China-only, 45mm LTE only (SM-R8450), via eSIM: LTE bands 1/3/5/8/38/39/40/41); UTMS bands 1/8
Sensors Accelerometer, Barometer, Gyro Sensor, Electrical Heart Sensor (ECG), Optical Heart Rate Sensor(HRM), Light Sensor
Battery 247mAh 340mAh


The smartwatch was released with Tizen 5.5 that features Samsung's unique software overlay.[1]


The Galaxy Watch 3 has a retail price of US$399 for the 41mm and US$479 for the 45mm option.[1]


Ars Technica called Galaxy Watch 3 a "refresh" of Galaxy Watch Active2, which does not have "a ton in the way of new features outside of added fall detection", but "offers all the conveniences you’d expect, like the ability to take calls, check voicemails, and send texts".[7]

Engadget called Galaxy Watch 3 "the best non-Apple smartwatch".[11]

See alsoEdit


  1. ^ a b c d "Samsung Galaxy Watch3 - Full phone specifications". Retrieved 2020-07-31.
  2. ^ "Samsung's Galaxy Note 20 event confirmed for August 5th". Retrieved 2020-07-08.
  3. ^ a b "Samsung Galaxy Note 20 and Fold 2 launch set for August, and it'll be virtual | TechRadar". Retrieved 2020-07-08.
  4. ^ a b Tibken, Shara. "Samsung will unveil Note 20, Galaxy Z Fold 2 on Aug. 5 in virtual Unpacked". CNET. Retrieved 2020-07-08.
  5. ^ a b Holland, Patrick. "Samsung Unpacked event: How to watch the Galaxy Note 20, Galaxy Fold 2 announcement". CNET. Retrieved 2020-07-24.
  6. ^ July 2020, James Rogerson 25. "Samsung Galaxy Note 20 and four other things to expect at Unpacked 2020". TechRadar. Retrieved 2020-07-26.
  7. ^ a b Gaskin, Corey (2020-08-05). "Samsung's Galaxy Watch 3 is a stylish redesign without much new to say". Ars Technica. Retrieved 2020-08-06.
  8. ^ "Specs | Samsung Galaxy Watch3". The Official Samsung Galaxy Site. Retrieved 2020-08-12.
  9. ^ "Samsung Galaxy Watch3 - Full phone specifications". Retrieved 2020-08-12.
  10. ^ "Carrier | Samsung Galaxy Watch3". The Official Samsung Galaxy Site. Retrieved 2020-08-12.
  11. ^ "Galaxy Watch 3 review: The best smartwatch". Engadget. Retrieved 2020-08-15.

External linksEdit