Specifications

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General Information
Model nameGalaxy A31
Model typeBar
ColorsBlue (Blue)
Black (Black)
Red (Red)
White (White)
Announced2020, March
Released2020, April
Physical specifications
DimensionsBar: 159.3 x 73.1 x 8.6 mm
Weights185g
Operating system
Operating systemAndroid 10
One UI version2.5
Networks
SIMDual SIM model
SIM card sizesNano-SIM (4FF)
Networks2G
3G
4G
eSIM supportNo
Display
KindMain Display
NameInfinity-U Display
TechnologySuper AMOLED Display
Size6.4 inch / 162.56 mm
ResolutionFHD+ / 2400x1080 pixels
Pixel density411 PPI
Screen to body ratio~84.0%
Processors
Related model number(s)SM-A315F
ChipsetMediatek MT6768 Helio P65
Clock SpeedDual-Core @ 2.00 GHz
Hexa-Core @ 1.70 GHz
CoresOcta-Core
Memory
RAM/ROM sizes4 GB RAM with 64 GB ROM

6 GB RAM with 128 GB ROM
External memory supportYes
External memory support maximum512 GB
Front Camera
FlashNo
KindSelfie Camera
Megapixels20MP
ApertureF2.2
Rear Camera
FlashYes
Digital zoomYes: 0.5 - 8
KindWide-angle Camera
Megapixels48MP
ApertureF1.8
Pixel size0.8µm
Field of view80˚
ExtrasPDAF
KindDepth Camera
Megapixels5MP
ApertureF2.4
KindUltra Wide Camera
Megapixels8MP
ApertureF2.2
Pixel size1.12μm
Field of view123˚
KindMacro Camera
Megapixels5MP
ApertureF2.4
Sensors
AccelerometerYes
Fingerprint sensorYes
Light SensorYes
Virtual Proximity SensingYes
Gyro sensorYes
Geomagnetic sensorYes
Video
Max. Video Recording ResolutionFHD video recording at 30 fps (1920x1080)
External memory supportYes
External memory support maximum512 GB
Connectivity
ANT+No
USB versionType C
3.5mm HeadphonejackYes
Location technologyBeiDou
Galileo
Glonass
GPS
Wi-FiYes
Wi-Fi DirectYes
NFCNo
Bluetooth Version5.0
Battery
Standard battery capacity5000mAh
Removable batteryNo
Wired fast chargingYes
Wired fast charging watt15