Vivo Y31 5G vs Samsung Galaxy A21s comparison

Compare Vivo Y31 5G
Compare Samsung Galaxy A21s
key specs
Display6.68-inch6.50-inch
ProcessorQualcomm Snapdragon 4 Gen 2Samsung Exynos 850
Front Camera8-megapixel 13-megapixel
Rear Camera50-megapixel + 0.08-megapixel 48-megapixel + 8-megapixel + 2-megapixel + 2-megapixel
RAM4GB, 6GB4GB
Storage128GB64GB
Battery Capacity6,500mAh5000mAh
OSAndroid 15Android 10
Resolution1,608x720 pixels720x1600 pixels
general
BrandVivoSamsung
ModelY31 5GGalaxy A21s
Release dateSeptember 15, 2025May 15, 2020
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Body typePlastic-
Dimensions (mm)166.14 x 77.01 x 8.39163.60 x 75.30 x 8.90
Weight (g)209.00191.00
IP ratingIP68-
Battery capacity (mAh)6,5005000
Removable batteryNoNo
Fast charging44W Flash ChargeProprietary
Wireless chargingNo-
ColoursRose Red and Diamond GreenWhite, Black, Blue
display
Refresh Rate120 Hz-
Screen size (inches)6.686.50
TouchscreenYesYes
Resolution1,608x720 pixels720x1600 pixels
Pixels per inch (PPI)264-
hardware
Processor2.2GHz MHz octa-core2GHz octa-core
Processor makeQualcomm Snapdragon 4 Gen 2Samsung Exynos 850
RAM4GB, 6GB4GB
Internal storage128GB64GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)2TB512
Dedicated microSD slot-Yes
camera
Rear camera50-megapixel (f/f/1.8) + 0.08-megapixel (f/f/3.0)48-megapixel (f/2.0) + 8-megapixel (f/2.0) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4)
No. of Rear Cameras2-
Rear flashYesYes
Front camera8-megapixel (f/f/2.0)13-megapixel (f/2.2)
No. of Front Cameras1-
Pop-Up CameraNo-
software
Operating systemAndroid 15Android 10
SkinFuntouch OS 15One UI
connectivity
Wi-FiYesYes
GPSYes-
BluetoothYes, v 4.20Yes, v 5.00
NFCNoYes
USB Type-CYes-
Number of SIMs2-
Headphones-3.5mm
sim 1
SIM TypeNano-SIM-
GSM/CDMAGSM-
4G/ LTEYes-
5GYes-
sim 2
SIM TypeNano-SIM-
GSM/CDMAGSM-
4G/ LTEYes-
5GYes-
sensors
Fingerprint sensorYesYes
Compass/ MagnetometerYes-
Proximity sensorYes-
AccelerometerYes-
Ambient light sensorYes-
GyroscopeNo-
BarometerNo-
Temperature sensorNo-

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