Samsung Galaxy J4 vs Samsung Galaxy J7 Duo comparison

Compare Samsung Galaxy J4
Compare Samsung Galaxy J7 Duo
general
Release dateMay 2018March 2018--
Form factorTouchscreenTouchscreen--
Dimensions (mm)151.70 x 77.20 x 8.10153.50 x 77.20 x 8.20--
Weight (g)175.00174.00--
Battery capacity (mAh)30003000--
ColoursBlack, Orchid Gray, GoldBlack and Gold--
display
Screen size (inches)5.505.50--
TouchscreenYesYes--
Resolution720x1280 pixels720x1280 pixels--
hardware
Processor1.4GHz quad-core1.6GHz octa-core--
Processor makeExynos 7570Exynos 7 Series Octa-Core Processor--
RAM2GB4GB--
Internal storage16GB32GB--
Expandable storageYesYes--
Expandable storage typemicroSDmicroSD--
Expandable storage up to (GB)256256--
camera
Rear camera13-megapixel13-megapixel--
Rear flashLEDYes--
Front camera5-megapixel8-megapixel--
Front flashLED---
software
Operating systemAndroid 8.0Android Oreo--
connectivity
Wi-FiYesYes--
Wi-Fi standards supported802.11 b/g/n802.11 a/b/g/n/ac--
GPSYesYes--
BluetoothYes, v 4.20Yes, v 5.00--
Number of SIMs22--
NFC-No--
sim 1
SIM TypeMicro-SIM---
GSM/CDMAGSM---
3GYes---
4G/ LTEYes---
sim 2
SIM TypeMicro-SIM---
GSM/CDMAGSM---
3GYes---
4G/ LTEYes---
sensors
Proximity sensorYesYes--
AccelerometerYesYes--
Compass/ Magnetometer-No--