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Oppo A78 5G vs Vivo Y31 comparison

 Compare Oppo A78 5G
Oppo A78 5G
Compare Vivo Y31
Vivo Y31
key specs
Display6.56-inch6.58-inch
ProcessorMediaTek Dimensity 700Qualcomm Snapdragon 662
Front Camera8-megapixel 16-megapixel
Rear Camera50-megapixel + 2-megapixel 48-megapixel + 2-megapixel + 2-megapixel
RAM8GB6GB
Storage128GB128GB
Battery Capacity5000mAh5000mAh
OSAndroid 13Android 11
Resolution720x1612 pixels1080x2408 pixels
general
BrandOppoVivo
ModelA78 5GY31
Release dateJanuary 16, 2023January 20, 2021
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)163.80 x 75.10 x 7.99163.86 x 75.32 x 8.38
Weight (g)188.00188.00
IP ratingIPX4-
Battery capacity (mAh)50005000
Fast chargingSuper VOOCProprietary
ColoursGlowing Black, Glowing PurpleOcean Blue, Racing Black
display
Refresh Rate90 Hz-
Resolution StandardHD-
Screen size (inches)6.566.58
TouchscreenYesYes
Resolution720x1612 pixels1080x2408 pixels
Pixels per inch (PPI)269-
Aspect ratio-20:9
hardware
Processor2.2GHz octa-coreocta-core
Processor makeMediaTek Dimensity 700Qualcomm Snapdragon 662
RAM8GB6GB
Internal storage128GB128GB
Expandable storageYes-
Expandable storage typemicroSD-
Expandable storage up to (GB)1000-
Dedicated microSD slotYes-
camera
Rear camera50-megapixel (f/1.8) + 2-megapixel (f/2.4)48-megapixel (f/1.79) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4)
No. of Rear Cameras2-
Front camera8-megapixel (f/2.0)16-megapixel (f/2.0)
No. of Front Cameras1-
Rear autofocus-Yes
Rear flash-Yes
software
Operating systemAndroid 13Android 11
SkinColorOS 13Funtouch OS 11
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac-
GPSYesYes
BluetoothYes, v 5.30Yes, v 5.00
USB OTGYesYes
USB Type-CYesYes
Headphones3.5mm-
FM-Yes
Number of SIMs-2
sensors
Face unlockYes-
Fingerprint sensorYesYes
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
sim 1
SIM Type-Nano-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes
sim 2
SIM Type-Nano-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes

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