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Oppo A78 vs Samsung Galaxy A21s comparison

 Compare Oppo A78
Oppo A78
Compare Samsung Galaxy A21s
Samsung Galaxy A21s
key specs
Display6.43-inch6.50-inch
ProcessorQualcomm Snapdragon 680Samsung Exynos 850
Front Camera8-megapixel 13-megapixel
Rear Camera50-megapixel + 2-megapixel 48-megapixel + 8-megapixel + 2-megapixel + 2-megapixel
RAM8GB4GB
Storage128MB64GB
Battery Capacity5000mAh5000mAh
OSAndroidAndroid 10
Resolution1080x2400 pixels720x1600 pixels
general
BrandOppoSamsung
ModelA78Galaxy A21s
Release dateAugust 12, 2023May 15, 2020
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)160.00 x 73.20 x 7.90163.60 x 75.30 x 8.90
Weight (g)180.00191.00
Battery capacity (mAh)50005000
Removable batteryNoNo
Fast chargingSuper VOOCProprietary
Wireless chargingNo-
ColoursAqua Green, Mist BlackWhite, Black, Blue
display
Refresh Rate90 Hz-
Resolution StandardFHD-
Screen size (inches)6.436.50
TouchscreenYesYes
Resolution1080x2400 pixels720x1600 pixels
Pixels per inch (PPI)409-
hardware
Processorocta-core2GHz octa-core
Processor makeQualcomm Snapdragon 680Samsung Exynos 850
RAM8GB4GB
Internal storage128MB64GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)-512
Dedicated microSD slot-Yes
camera
Rear camera50-megapixel (f/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 systemAndroidAndroid 10
SkinColorOS 13.1One UI
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n-
GPSYes-
BluetoothYes, v 5.00Yes, v 5.00
NFCYesYes
USB OTGYes-
USB Type-CYes-
Number of SIMs2-
Active 4G on both SIM cardsYes-
Headphones-3.5mm
sim 1
SIM TypeNano-SIM-
GSM/CDMAGSM-
3GYes-
4G/ LTEYes-
5GNo-
sim 2
SIM TypeNano-SIM-
GSM/CDMAGSM-
3GYes-
4G/ LTEYes-
5GNo-
sensors
Fingerprint sensor-Yes

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