Oppo A78 vs Vivo Y21G comparison

Compare Oppo A78
Compare Vivo Y21G
key specs
Display6.43-inch6.51-inch
ProcessorQualcomm Snapdragon 680-
Front Camera8-megapixel 8-megapixel
Rear Camera50-megapixel + 2-megapixel 13-megapixel + 2-megapixel
RAM8GB4GB
Storage128MB64GB
Battery Capacity5000mAh5000mAh
OSAndroidAndroid 12
Resolution1080x2400 pixels720x1600 pixels
general
BrandOppoVivo
ModelA78Y21G
Release dateAugust 12, 2023April 7, 2022
Launched in IndiaYesYes
Form factorTouchscreen-
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 batteryNoNo
Fast chargingSuper VOOCProprietary
Wireless chargingNo-
ColoursAqua Green, Mist BlackDiamond Glow, Midnight Blue
Body type-Plastic
display
Refresh Rate90 Hz60 Hz
Resolution StandardFHDHD+
Screen size (inches)6.436.51
TouchscreenYes-
Resolution1080x2400 pixels720x1600 pixels
Pixels per inch (PPI)409-
hardware
Processorocta-core-
Processor makeQualcomm Snapdragon 680MediaTek
RAM8GB4GB
Internal storage128MB64GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Dedicated microSD slot-Yes
camera
Rear camera50-megapixel (f/f/1.8) + 2-megapixel (f/2.4)13-megapixel (f/2.2) + 2-megapixel (f/2.4)
No. of Rear Cameras22
Front camera8-megapixel (f/2.0)8-megapixel (f/2.0)
No. of Front Cameras11
software
Operating systemAndroidAndroid 12
SkinColorOS 13.1FunTouch OS 12
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n802.11 a/b/g/n/ac
GPSYesYes
BluetoothYes, v 5.00Yes, v 5.00
NFCYes-
USB OTGYesYes
USB Type-CYesYes
Number of SIMs22
Active 4G on both SIM cardsYesYes
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
Gyroscope-Yes

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