 Samsung Galaxy Watch 3 | |
| Brand | Samsung |
|---|---|
| Manufacturer | Samsung Electronics |
| Type | Smartwatch |
| Series | Galaxy Watch |
| Family | Samsung Galaxy |
| First released | August 5, 2020; 5 years ago (2020-08-05) |
| Predecessor | Samsung Galaxy Watch |
| Successor | Samsung Galaxy Watch 4 |
| Related | Samsung Galaxy Watch Active 2 |
| Compatible networks | 2G,3G,4G |
| Operating system | Tizen OS 5.5 Tizen OS 5.5.0.1 |
| Memory | 1 GBRAM |
| Storage | 8 GB |
| Battery | Non-removable 340 mAh Qi Wireless charging |
| Display | 1.4 in (36 mm)Super AMOLEDcapacitive display, 360×360 pixels, 16 M colours, ~257ppi density, 6.3cm2, 1:1aspect ratio, glass front (Gorilla Glass DX), touch sensitive bezel |
| External display | Always On Display |
| Connectivity | GSM/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 |
|
| Model | SM-R855F, SM-R845F (Global, LTE model), SM-R855U, SM-R845U (USA, LTE model), SM-R850, SM-840 (Wi-Fi only) |
| References | [1] |
TheSamsung Galaxy Watch 3 (stylized asSamsung Galaxy Watch3) is asmartwatch developed bySamsung Electronics that was released on August 5, 2020 at Samsung's Unpacked Event alongside the flagships of theGalaxy Note series andGalaxy Z series, i.e., theSamsung Galaxy Note 20 andSamsung Galaxy Z Fold 2, respectively.[2][3][4][5][6]
Due to limitations of theCOVID-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 circularSuper AMOLED display with apixel density of 257 PPI (360 pixels/1.4-inches= 257.14 Pixels/Inch), powered by a non-removable 340mAh battery and recharged usingQi inductive charging. The smartwatch has 1 GB ofRAM and 8 GB of internal storage. The Galaxy Watch 3 also features a fully rotatable physicalbezel with the display glass made fromCorningGorilla Glass DX. The device is compatible with a 20 or 22 mm straps, depending on model. The Galaxy Watch 3 comes in Bronze, Black, and Silver colour options.[1]
| Model | Galaxy Watch3 | Ref. | |
|---|---|---|---|
| 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-inch (30 mm), full-color, always-on Circular Super AMOLED | 1.4-inch (34 mm), full-color, always-on Circular Super AMOLED | |
| Resolution | 360×360 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, 45 mm 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 22 mm watch straps/bands); Titanium frame model with metal strap (accepts all 22 mm 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) | 1 GB | ||
| Operating System | Tizen (OS 5.5) | ||
| Dimensions | 41 × 42.5 × 11.3 mm (measured without strap) | 45 × 46.2 × 11.1 mm (measured without strap) | |
| Weight (without strap) | 48.2 g | 53.8 g (stainless steel); 43 g (titanium) | |
| Strap/Band Size | 20 mm (accepts most universal 20 mm watch straps/bands) | 22 mm (accepts most universal 22 mm watch straps/bands) | |
| Durability/ Water Resistance | MIL-STD-810G, Water Resistance to 5 ATM (50m) +IP68 rated | ||
| Storage | 1 GB RAM | ||
| 8 GB 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), viaeSIM: 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), viaeSIM: 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), viaeSIM: LTE bands 1/3/5/7/8; UTMS bands 1/5/8 | |||
| China-only, 45 mm LTE only (SM-R8450), viaeSIM: 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 | 247 mAh | 340 mAh | |
The smartwatch was released withTizen 5.5 that features Samsung's unique software overlay.[1]
As of September 2025, Tizen is no longer supported on smartwatches per company policy.[11] The watch and recovery will still function, but no new apps can be downloaded.
The Galaxy Watch 3 has a retail price of US$399 for the 41 mm and US$479 for the 45 mm 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 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”.[12]
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