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Oppo A78 5G vs Samsung Galaxy A21 comparison

 Compare Oppo A78 5G
Oppo A78 5G
Compare Samsung Galaxy A21s
Samsung Galaxy A21s
key specs
Display6.56-inch6.50-inch
ProcessorMediaTek Dimensity 700Samsung Exynos 850
Front Camera8-megapixel 13-megapixel
Rear Camera50-megapixel + 2-megapixel 48-megapixel + 8-megapixel + 2-megapixel + 2-megapixel
RAM8GB4GB
Storage128GB64GB
Battery Capacity5000mAh5000mAh
OSAndroid 13Android 10
Resolution720x1612 pixels720x1600 pixels
general
BrandOppoSamsung
ModelA78 5GGalaxy A21s
Release dateJanuary 16, 2023May 15, 2020
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)163.80 x 75.10 x 7.99163.60 x 75.30 x 8.90
Weight (g)188.00191.00
IP ratingIPX4-
Battery capacity (mAh)50005000
Fast chargingSuper VOOCProprietary
ColoursGlowing Black, Glowing PurpleWhite, Black, Blue
Removable battery-No
display
Refresh Rate90 Hz-
Resolution StandardHD-
Screen size (inches)6.566.50
TouchscreenYesYes
Resolution720x1612 pixels720x1600 pixels
Pixels per inch (PPI)269-
hardware
Processor2.2GHz octa-core2GHz octa-core
Processor makeMediaTek Dimensity 700Samsung Exynos 850
RAM8GB4GB
Internal storage128GB64GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)1000512
Dedicated microSD slotYesYes
camera
Rear camera50-megapixel (f/1.8) + 2-megapixel (f/2.4)48-megapixel (f/2.0) + 8-megapixel (f/2.0) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4)
No. of Rear Cameras2-
Front camera8-megapixel (f/2.0)13-megapixel (f/2.2)
No. of Front Cameras1-
Rear flash-Yes
software
Operating systemAndroid 13Android 10
SkinColorOS 13One UI
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac-
GPSYes-
BluetoothYes, v 5.30Yes, v 5.00
USB OTGYes-
USB Type-CYes-
Headphones3.5mm3.5mm
NFC-Yes
sensors
Face unlockYes-
Fingerprint sensorYesYes
Compass/ MagnetometerYes-
Proximity sensorYes-
AccelerometerYes-
Ambient light sensorYes-

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