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Vivo Y31 5G vs Vivo Y66 comparison

 Compare Vivo Y31 5G
Vivo Y31 5G
Compare Vivo Y66
Vivo Y66
key specs
Display6.68-inch5.50-inch
ProcessorQualcomm Snapdragon 4 Gen 2octa-core
Front Camera8-megapixel 16-megapixel
Rear Camera50-megapixel + 0.08-megapixel 13-megapixel
RAM4GB3GB
Storage128GB32GB
Battery Capacity6,500mAh3000mAh
OSAndroid 15Android 6.0
Resolution1,608x720 pixels720x1280 pixels
general
BrandVivoVivo
ModelY31 5GY66
Release dateSeptember 15, 2025March 1, 2017
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Body typePlastic-
Dimensions (mm)166.14 x 77.01 x 8.39153.80 x 75.50 x 7.60
Weight (g)209.00155.00
IP ratingIP68-
Battery capacity (mAh)6,5003000
Removable batteryNoNo
Fast charging44W Flash Charge-
Wireless chargingNo-
ColoursRose Red and Diamond GreenCrown Gold, Matte Black
display
Refresh Rate120 Hz-
Screen size (inches)6.685.50
TouchscreenYesYes
Resolution1,608x720 pixels720x1280 pixels
Pixels per inch (PPI)264-
hardware
Processor2.2GHz MHz octa-coreocta-core
Processor makeQualcomm Snapdragon 4 Gen 2-
RAM4GB3GB
Internal storage128GB32GB
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)13-megapixel
No. of Rear Cameras2-
Rear flashYesLED
Front camera8-megapixel (f/f/2.0)16-megapixel
No. of Front Cameras1-
Pop-Up CameraNo-
Front flash-Yes
software
Operating systemAndroid 15Android 6.0
SkinFuntouch OS 15Funtouch 3.0
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 4.20Yes, v 4.00
NFCNoNo
USB Type-CYes-
Number of SIMs22
Wi-Fi standards supported-802.11 b/g/n
Infrared-No
USB OTG-Yes
Headphones-Yes
FM-Yes
Wi-Fi Direct-No
Mobile High-Definition Link (MHL)-No
sim 1
SIM TypeNano-SIMMicro-SIM
GSM/CDMAGSM-
4G/ LTEYesYes
5GYes-
3G-Yes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSM-
4G/ LTEYesYes
5GYes-
3G-No
sensors
Fingerprint sensorYes-
Compass/ MagnetometerYesNo
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeNoNo
BarometerNoNo
Temperature sensorNoNo
ratings
Overall NDTV Rating-Read Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
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