Versions: SM-R855F, SM-R845F (Global, LTE model); SM-R855U, SM-R845U (USA, LTE model); SM-R850, SM-R840 (Wi-Fi only)
45mm size, 1.4" display, 340 mAh battery
41mm size, 1.2" display, 247 mAh battery

NETWORKTechnologyGSM / HSPA / LTE

LAUNCHAnnounced2020, August 05StatusAvailable. Released 2020, August 06

BODYDimensions46.2 x 45 x 11.1 mm (1.82 x 1.77 x 0.44 in)Weight53.8 (45mm), 48.2 g (41mm), 43 g (45mm tt.) (1.90 oz)BuildGlass front (Gorilla Glass DX), stainless steel frame 316L or titanium frameSIMeSIM Samsung Pay
MIL-STD-810G compliant*
50m water resistant (IP68)
ECG certified
Blood pressure monitor
Compatible with standard 20/22mm straps
Rotating bezel
*does not guarantee ruggedness or use in extreme conditions

DISPLAYTypeSuper AMOLEDSize1.4 inches, 6.3 cm2 (~30.4% screen-to-body ratio)Resolution360 x 360 pixels, 1:1 ratio (~364 ppi density)ProtectionCorning Gorilla Glass DX Always-on display

PLATFORMOSTizen-based wearable OS 5.5ChipsetExynos 9110 (10 nm)CPUDual-core 1.15 GHz Cortex-A53GPUMali-T720

MEMORYCard slotNoInternal8GB 1GB RAM eMMC

CAMERA No

SOUNDLoudspeakerYes3.5mm jackNo

COMMSWLANWi-Fi 802.11 b/g/nBluetooth5.0, A2DP, LEGPSYes, with A-GPS, GLONASS, GALILEO, BDSNFCYesRadioNoUSBNo

FEATURESSensorsAccelerometer, gyro, heart rate, barometer Natural language commands and dictation

BATTERYTypeLi-Ion 340 mAh, non-removableChargingQi wireless charging

MISCColorsMystic Bronze, Mystic Black, Mystic WhiteModelsSM-R850, SM-R840, SM-R855F, SM-R845F, SM-R855U, SM-R845U