Specifications

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General Information
Model nameGalaxy M21
Model typeBar
Colors Blue (Midnight Blue)
Black (Raven Black)
Green ()
Announced2020, March
Released2020, March
Physical specifications
Dimensions Bar: 159.0 x 75.1 x 8.9 mm
Weights 188g
Operating system
Operating systemAndroid 10
One UI version2.0
Network
SIMDual SIM model
SIM card sizes Nano-SIM (4FF)
Networks 2G
3G
4G
eSIM supportNo
Display
Kind Main Display
Name Infinity-U Display
Technology Super AMOLED Display
Size 6.4 inch / 162.56 mm
Resolution FHD+ / 2340x1080 pixels
Pixel density 403 PPI
Screen to body ratio ~84.2%
Processor
Related model number(s)SM-M215F
Chipset Exynos 9611
Clock Speed Quad-Core @ 2.30 GHz
Quad-Core @ 1.70 GHz
Cores Octa-Core
GPU Mali-G72 MP3
Memory
RAM/ROM sizes 4 GB RAM with 64 GB ROM
6 GB RAM with 128 GB ROM
External memory supportYes
External memory support maximum512 GB
Sensors
AccelerometerYes
Proximity sensorYes
Gyro sensorYes
Fingerprint sensorYes
Geomagnetic sensorYes
Virtual Light SensingYes
Video
Max. Video Recording Resolution4K UHD video recording at 30 fps (3840x2160)
Front Camera
FlashNo
Kind Selfie Camera
Megapixels 20MP
Aperture F2.0
Pixel size
Field of view
Extras
Rear Camera
FlashYes
Kind Wide-angle Camera
Megapixels 48MP
Aperture F2.0
Pixel size 0.8µm
Field of view 80˚
Extras PDAF
Kind Ultra Wide Camera
Megapixels 8MP
Aperture F2.2
Pixel size 1.12μm
Field of view 123˚
Extras
Kind Depth Camera
Megapixels 5MP
Aperture F2.2
Pixel size
Field of view
Extras
Connectivity
ANT+No
USB versionType C
3.5mm HeadphonejackYes
Location technology BeiDou
GPS
Glonass
Galileo
Wi-Fi Yes
Wi-Fi DirectYes
NFCYes
Bluetooth Version5.0
Battery
Standard battery capacity6000 mAh
Removeable batteryNo
Wired fast chargingYes
Wired fast charging Watt15
Wireless fast charging Watt
Wireless power share Watt