Specifications

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General Information
Model nameW21 5G
Model typeFoldable
ColorsGold (Gold)
Announced2020, November
Released2020, November
Physical specifications
DimensionsFolded: 159.2 x 68.0 x 16.8 mm
Unfolded: 159.2 x 128.2 x 6.9 mm
Weights282g
Operating system
Operating systemAndroid 10
One UI version2.5
Networks
SIMDual SIM model
SIM card sizesNano-SIM (4FF)
Networks2G
3G
4G
5G
eSIM supportNo
Display
KindMain Display
NameInfinity Flex Display
TechnologyDynamic AMOLED 2X
Size7.6 inch / 193.04 mm
ResolutionQXGA+ / 2208x1768 pixels
Pixel density373 PPI
Screen to body ratio~88.6%
KindCover Display
NameInfinity-O Display
TechnologySuper AMOLED Display
Size6.2 inch / 157.15 mm
ResolutionHD+ / 2260x816 pixels
Pixel density386 PPI
Screen to body ratio%
Processors
Related model number(s)SM-W2021
ChipsetSnapdragon 865+
Clock SpeedSingle-Core @ 3.09 GHz
Triple-Core @ 2.40 GHz
Quad-Core @ 1.80 GHz
CoresOcta-Core
GPUAdreno 650
Memory
RAM/ROM sizes12 GB RAM with 512 GB ROM
External memory supportNo
Cover Camera
Rotating / Pop-upNo
FlashNo
KindSelfie Camera
Megapixels10MP
ApertureF2.2
Pixel size1.22μm
Field of view80˚
Front Camera
Rotating / Pop-upNo
FlashNo
KindSelfie Camera
Megapixels10MP
ApertureF2.2
Pixel size1.22μm
Field of view80˚
Rear Camera
Rotating / Pop-upNo
FlashYes
Digital zoomYes: 3 - 10
Optical zoomYes: 0.5 - 2
KindUltra Wide Camera
Megapixels12MP
ApertureF2.2
Pixel size1.12μm
Field of view123˚
KindWide-angle Camera
Megapixels12MP
ApertureF1.8
Pixel size1.8μm
Field of view83°
ExtrasSuper Speed Dual Pixel AF, OIS
KindTelephoto Camera
Megapixels12MP
ApertureF2.4
Pixel size1.0μm
Field of view45˚
ExtrasOIS
Sensors
Capacitive Fingerprint sensor (side)Yes
AccelerometerYes
BarometerYes
Gyro sensorYes
Geomagnetic sensorYes
Hall sensorYes
Proximity sensorYes
Light SensorYes
Video
Max. Video Recording Resolution4K UHD video recording at 60 fps (3840x2160)
External memory supportNo
Connectivity
ANT+Yes
USB versionType C
3.5mm HeadphonejackNo
Location technologyGPS
Galileo
Glonass
BeiDou
Wi-FiYes
Wi-Fi DirectYes
NFCYes
Bluetooth Version5.0
Battery
Standard battery capacity4500mAh
Removable batteryNo
Wired fast chargingYes
Wired fast charging watt25
Wireless fast chargingYes
Wireless fast charging Watt15
Wireless power shareYes
Wireless power share Watt4.5