Oppo A78 vs Vivo Y21T comparison

Compare Oppo A78
Compare Vivo Y21T
key specs
Display6.43-inch6.58-inch
ProcessorQualcomm Snapdragon 680Qualcomm Snapdragon 680
Front Camera8-megapixel 8-megapixel
Rear Camera50-megapixel + 2-megapixel 50-megapixel + 2-megapixel + 2-megapixel
RAM8GB4GB
Storage128MB128GB
Battery Capacity5000mAh5000mAh
OSAndroidAndroid 11
Resolution1080x2400 pixels1080x2408 pixels
general
BrandOppoVivo
ModelA78Y21T
Release dateAugust 12, 2023January 1, 2022
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)160.00 x 73.20 x 7.90164.26 x 76.08 x 8.00
Weight (g)180.00182.00
Battery capacity (mAh)50005000
Removable batteryNo-
Fast chargingSuper VOOCProprietary
Wireless chargingNo-
ColoursAqua Green, Mist BlackMidnight Blue, Pearl White
display
Refresh Rate90 Hz90 Hz
Resolution StandardFHD-
Screen size (inches)6.436.58
TouchscreenYesYes
Resolution1080x2400 pixels1080x2408 pixels
Pixels per inch (PPI)409-
hardware
Processorocta-coreocta-core
Processor makeQualcomm Snapdragon 680Qualcomm Snapdragon 680
RAM8GB4GB
Internal storage128MB128GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)-1000
Dedicated microSD slot-Yes
camera
Rear camera50-megapixel (f/f/1.8) + 2-megapixel (f/2.4)50-megapixel (f/1.8) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4)
No. of Rear Cameras23
Front camera8-megapixel (f/2.0)8-megapixel (f/1.8)
No. of Front Cameras11
Rear autofocus-Yes
Rear flash-Yes
software
Operating systemAndroidAndroid 11
SkinColorOS 13.1FunTouch OS 12
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n-
GPSYesYes
BluetoothYes, v 5.00Yes, v 5.00
NFCYes-
USB OTGYesYes
USB Type-CYesYes
Number of SIMs22
Active 4G on both SIM cardsYes-
Headphones-3.5mm
FM-Yes
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
5GNo-
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
5GNo-
sensors
Fingerprint sensor-Yes
Compass/ Magnetometer-Yes
Proximity sensor-Yes
Accelerometer-Yes
Ambient light sensor-Yes

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