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Oppo A78 vs Samsung Galaxy M31 comparison

 Compare Oppo A78
Oppo A78
Compare Samsung Galaxy M31s
Samsung Galaxy M31s
key specs
Display6.43-inch6.50-inch
ProcessorQualcomm Snapdragon 680Samsung Exynos 9611
Front Camera8-megapixel 32-megapixel
Rear Camera50-megapixel + 2-megapixel 64-megapixel + 12-megapixel + 5-megapixel + 5-megapixel
RAM8GB6GB
Storage128MB128GB
Battery Capacity5000mAh6000mAh
OSAndroidAndroid 10
Resolution1080x2400 pixels1080x2400 pixels
general
BrandOppoSamsung
ModelA78Galaxy M31s
Release dateAugust 12, 2023July 30, 2020
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)160.00 x 73.20 x 7.90-
Weight (g)180.00-
Battery capacity (mAh)50006000
Removable batteryNoNo
Fast chargingSuper VOOCProprietary
Wireless chargingNoNo
ColoursAqua Green, Mist BlackMirage Black, Mirage Blue
Thickness-9.3
display
Refresh Rate90 Hz-
Resolution StandardFHD-
Screen size (inches)6.436.50
TouchscreenYesYes
Resolution1080x2400 pixels1080x2400 pixels
Pixels per inch (PPI)409-
Aspect ratio-20:9
hardware
Processorocta-coreocta-core
Processor makeQualcomm Snapdragon 680Samsung Exynos 9611
RAM8GB6GB
Internal storage128MB128GB
Expandable storageYes-
Expandable storage typemicroSD-
camera
Rear camera50-megapixel (f/f/1.8) + 2-megapixel (f/2.4)64-megapixel (f/1.8) + 12-megapixel (f/2.2) + 5-megapixel (f/2.4) + 5-megapixel (f/2.4)
No. of Rear Cameras2-
Front camera8-megapixel (f/2.0)32-megapixel (f/2.2)
No. of Front Cameras1-
Rear autofocus-Yes
Rear flash-Yes
software
Operating systemAndroidAndroid 10
SkinColorOS 13.1One UI
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 OTGYes-
USB Type-CYes-
Number of SIMs22
Active 4G on both SIM cardsYes-
Headphones-3.5mm
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
5GNo-
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
5GNo-
ratings
Overall NDTV Rating-Read Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
sensors
Face unlock-Yes
Fingerprint sensor-Yes
Proximity sensor-Yes
Accelerometer-Yes
Ambient light sensor-Yes
Gyroscope-Yes

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