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Samsung Galaxy A31 vs Samsung Galaxy A9 Star comparison

 Compare Samsung Galaxy A31
Samsung Galaxy A31
Compare Samsung Galaxy A9 Star
Samsung Galaxy A9 Star
ratings
Overall NDTV RatingRead Review-
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
key specs
Display6.40-inch6.28-inch
ProcessorMediaTek Helio P65Qualcomm Snapdragon 660
Front Camera20-megapixel 24-megapixel
Rear Camera48-megapixel + 8-megapixel + 5-megapixel + 5-megapixel 16-megapixel + 24-megapixel
RAM6GB4GB
Storage128GB64GB
Battery Capacity5000mAh3700mAh
OSAndroid 10Android 8.0
Resolution1080x2400 pixels1880x2220 pixels
general
BrandSamsungSamsung
ModelGalaxy A31Galaxy A9 Star
Release dateMarch 24, 2020June 1, 2018
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Dimensions (mm)159.30 x 73.10 x 8.60162.40 x 77.00 x 7.50
Weight (g)185.00188.00
Battery capacity (mAh)50003700
Removable batteryNo-
Fast chargingProprietaryProprietary
Wireless chargingNo-
ColoursPrism Crush Black, Prism Crush Blue, Prism Crush WhiteBlack, White
display
Screen size (inches)6.406.28
TouchscreenYesYes
Resolution1080x2400 pixels1880x2220 pixels
Aspect ratio20:93:2
Pixels per inch (PPI)-392
hardware
Processor2GHz octa-core (2x2GHz + 6x1.7GHz)2.2GHz octa-core (4x2.2GHz + 4x1.8GHz)
Processor makeMediaTek Helio P65Qualcomm Snapdragon 660
RAM6GB4GB
Internal storage128GB64GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)512256
camera
Rear camera48-megapixel (f/2.0) + 8-megapixel (f/2.2) + 5-megapixel (f/2.4) + 5-megapixel (f/2.4)16-megapixel (f/1.7) + 24-megapixel (f/1.7)
Rear autofocusYesPhase detection autofocus
Rear flashYesLED
Front camera20-megapixel (f/2.2)24-megapixel (f/2.0)
software
Operating systemAndroid 10Android 8.0
SkinOne UI 2.1-
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n802.11 a/b/g/n/ac
GPSYesYes
BluetoothYesYes, v 5.00
NFCYesYes
USB Type-CYesYes
Number of SIMs22
FM-Yes
Wi-Fi Direct-Yes
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM + CDMA
3GYesYes
4G/ LTEYesYes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM + CDMA
3GYesYes
4G/ LTEYesYes
sensors
Face unlockYes-
In-Display Fingerprint SensorYes-
Compass/ MagnetometerYes-
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYes-
Fingerprint sensor-Yes
Gyroscope-Yes

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