Samsung Galaxy A31 vs Samsung Galaxy M21 comparison

Compare Samsung Galaxy A31
Compare Samsung Galaxy M21
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
ProcessorMediaTek Helio P65Samsung Exynos 9611
Front Camera20-megapixel 20-megapixel
Rear Camera48-megapixel + 8-megapixel + 5-megapixel + 5-megapixel 48-megapixel + 8-megapixel + 5-megapixel
RAM6GB4GB
Storage128GB64GB
Battery Capacity5000mAh6000mAh
OSAndroid 10Android 10
Resolution1080x2400 pixels2340x1080 pixels
general
BrandSamsungSamsung
ModelGalaxy A31Galaxy M21
Release date24th March 202018th March 2020
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)159.30 x 73.10 x 8.60-
Weight (g)185.00188.00
Battery capacity (mAh)50006000
Removable batteryNoNo
Fast chargingProprietaryProprietary
Wireless chargingNoNo
ColoursPrism Crush Black, Prism Crush Blue, Prism Crush WhiteMidnight Blue, Raven Black
Thickness-8.9
display
Screen size (inches)6.406.40
TouchscreenYesYes
Resolution1080x2400 pixels2340x1080 pixels
Aspect ratio20:919.5:9
Protection type-Gorilla Glass
hardware
Processor2GHz octa-core (2x2GHz + 6x1.7GHz)1.7GHz octa-core (4x1.7GHz + 4x2.3GHz)
Processor makeMediaTek Helio P65Samsung Exynos 9611
RAM6GB4GB
Internal storage128GB64GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)512512
camera
Rear camera48-megapixel (f/2.0) + 8-megapixel (f/2.2) + 5-megapixel (f/2.4) + 5-megapixel (f/2.4)48-megapixel + 8-megapixel + 5-megapixel
Rear autofocusYesYes
Rear flashYesYes
Front camera20-megapixel (f/2.2)20-megapixel
Front flash-No
software
Operating systemAndroid 10Android 10
SkinOne UI 2.1One UI 2.0
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n802.11 a/b/g
GPSYesYes
BluetoothYesYes
NFCYes-
USB Type-CYesYes
Number of SIMs22
Headphones-3.5mm
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
In-Display Fingerprint SensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
Fingerprint sensor-Yes

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