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Vivo Y31 5G vs Vivo X21s comparison

 Compare Vivo Y31 5G
Vivo Y31 5G
Compare Vivo X21s
Vivo X21s
key specs
Display6.68-inch6.41-inch
ProcessorQualcomm Snapdragon 4 Gen 2Qualcomm Snapdragon 660
Front Camera8-megapixel 24.8-megapixel
Rear Camera50-megapixel + 0.08-megapixel 12-megapixel + 5-megapixel
RAM4GB, 6GB6GB
Storage128GB128GB
Battery Capacity6,500mAh3400mAh
OSAndroid 15Android 8.1 Oreo
Resolution1,608x720 pixels1080x2340 pixels
general
BrandVivoVivo
ModelY31 5GX21s
Release dateSeptember 15, 2025November 1, 2018
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Body typePlastic-
Dimensions (mm)166.14 x 77.01 x 8.39157.91 x 75.08 x 7.90
Weight (g)209.00156.00
IP ratingIP68-
Battery capacity (mAh)6,5003400
Removable batteryNo-
Fast charging44W Flash Charge-
Wireless chargingNo-
ColoursRose Red and Diamond GreenStarry Night Black
display
Refresh Rate120 Hz-
Screen size (inches)6.686.41
TouchscreenYesYes
Resolution1,608x720 pixels1080x2340 pixels
Pixels per inch (PPI)264-
Aspect ratio-19.5:9
hardware
Processor2.2GHz MHz octa-coreocta-core
Processor makeQualcomm Snapdragon 4 Gen 2Qualcomm Snapdragon 660
RAM4GB, 6GB6GB
Internal storage128GB128GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)2TB256
camera
Rear camera50-megapixel (f/f/1.8) + 0.08-megapixel (f/f/3.0)12-megapixel + 5-megapixel
No. of Rear Cameras2-
Rear flashYes-
Front camera8-megapixel (f/f/2.0)24.8-megapixel
No. of Front Cameras1-
Pop-Up CameraNo-
Rear autofocus-Yes
software
Operating systemAndroid 15Android 8.1 Oreo
SkinFuntouch OS 15-
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 4.20Yes
NFCNo-
USB Type-CYes-
Number of SIMs22
Micro-USB-Yes
Headphones-3.5mm
sim 1
SIM TypeNano-SIM-
GSM/CDMAGSMGSM
4G/ LTEYesYes
5GYes-
3G-Yes
sim 2
SIM TypeNano-SIM-
GSM/CDMAGSMGSM
4G/ LTEYesYes
5GYes-
3G-Yes
sensors
Fingerprint sensorYesYes
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeNoYes
BarometerNo-
Temperature sensorNo-
Face unlock-Yes
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