Samsung Galaxy M21 vs Samsung Galaxy M31 comparison

Compare Samsung Galaxy M21
Compare Samsung Galaxy M31
ratings
Overall NDTV RatingRead ReviewRead Review
Design Rating
Display Rating
Software Rating
Performance Rating
Battery Life Rating
Camera Rating
Value for Money Rating
key specs
Display6.40-inch6.40-inch
ProcessorSamsung Exynos 9611Samsung Exynos 9611
Front Camera20-megapixel32-megapixel
Rear Camera48-megapixel + 8-megapixel + 5-megapixel64-megapixel + 8-megapixel + 5-megapixel + 5-megapixel
RAM4GB6GB
Storage64GB128GB
Battery Capacity6000mAh6000mAh
OSAndroid 10Android 10
Resolution2340x1080 pixels1080x2340 pixels
general
BrandSamsungSamsung
ModelGalaxy M21Galaxy M31
Release date18th March 202026th February 2020
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Thickness8.9-
Weight (g)188.00191.00
Battery capacity (mAh)60006000
Removable batteryNoNo
Fast chargingProprietary-
Wireless chargingNoNo
ColoursMidnight Blue, Raven BlackBlue, Black
Body type-Plastic
Dimensions (mm)-159.20 x 75.10 x 8.90
display
Screen size (inches)6.406.40
TouchscreenYesYes
Resolution2340x1080 pixels1080x2340 pixels
Protection typeGorilla Glass-
Aspect ratio19.5:919.5:9
hardware
Processor1.7GHz octa-core (4x1.7GHz + 4x2.3GHz)2.3GHz octa-core (4x2.3GHz + 4x1.7GHz)
Processor makeSamsung Exynos 9611Samsung Exynos 9611
RAM4GB6GB
Internal storage64GB128GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)512512
Dedicated microSD slot-Yes
camera
Rear camera48-megapixel + 8-megapixel + 5-megapixel64-megapixel (f/1.8) + 8-megapixel (f/2.2) + 5-megapixel (f/2.2) + 5-megapixel (f/2.4)
Rear autofocusYesYes
Rear flashYesYes
Front camera20-megapixel32-megapixel (f/2.0)
Front flashNo-
software
Operating systemAndroid 10Android 10
SkinOne UI 2.0One UI 2.0
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g802.11 a/b/g/n/ac
GPSYesYes
BluetoothYesYes, v 5.00
USB Type-CYesYes
Headphones3.5mm3.5mm
Number of SIMs22
Active 4G on both SIM cards-Yes
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sensors
Face unlockYesYes
Fingerprint sensorYesYes
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
Gyroscope-Yes
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