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Samsung Galaxy J4 vs Oppo A57 comparison

 Compare Samsung Galaxy J4
Samsung Galaxy J4
Compare Oppo A57
Oppo A57
key specs
Display5.50-inch5.20-inch
ProcessorSamsung Exynos 7570Qualcomm Snapdragon 435
Front Camera5-megapixel 16-megapixel
Rear Camera13-megapixel 13-megapixel
RAM2GB3GB
Storage16GB32GB
Battery Capacity3000mAh2900mAh
OSAndroid 8.0Android 6.0
Resolution720x1280 pixels720x1280 pixels
general
BrandSamsungOppo
ModelGalaxy J4A57
Release dateMay 1, 2018November 1, 2016
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)151.70 x 77.20 x 8.10149.10 x 72.90 x 7.65
Weight (g)175.00147.00
Battery capacity (mAh)30002900
Removable batteryYesNo
ColoursBlack, Orchid Gray, GoldRose Gold, Gold
SAR value-1.31
display
Screen size (inches)5.505.20
TouchscreenYesYes
Resolution720x1280 pixels720x1280 pixels
Aspect ratio16:916:9
hardware
Processor1.4GHz quad-core1.4GHz octa-core
Processor makeSamsung Exynos 7570Qualcomm Snapdragon 435
RAM2GB3GB
Internal storage16GB32GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)256256
camera
Rear camera13-megapixel (f/1.9)13-megapixel (f/2.2)
Rear autofocusYesPhase detection autofocus
Rear flashLEDLED
Front camera5-megapixel (f/2.2)16-megapixel (f/2.0, 1.12-micron)
Front flashLED-
Front autofocus-Yes
software
Operating systemAndroid 8.0Android 6.0
Skin-ColorOS 3.0
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 b/g/n802.11 b/g/n
GPSYesYes
BluetoothYes, v 4.20Yes, v 4.10
Micro-USBYesYes
FMYesYes
Number of SIMs22
NFC-No
Infrared-No
USB OTG-Yes
Headphones-3.5mm
Wi-Fi Direct-No
Mobile High-Definition Link (MHL)-No
sim 1
SIM TypeMicro-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sim 2
SIM TypeMicro-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sensors
Proximity sensorYesYes
AccelerometerYesYes
Fingerprint sensor-Yes
Compass/ Magnetometer-Yes
Ambient light sensor-Yes
Gyroscope-Yes
Barometer-No
Temperature sensor-No
ratings
Overall NDTV Rating-Read Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-

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