As the listing above says, the Galaxy J7 (2017) will feature Full HD resolution display, with a 5.5-inch screen. It will also have 12 MP cameras on both front and back side of the device.
Also, the device will feature Exynos 7870 octa-core processor clocked at 1.5 GHz, alongside with a Mali-T830 GPU. From the memory, it will have 2.8 GB, which might be expanded to 3GB. The storage though has 16 GB, from which 11 GB will be available for using. Also, both of the cameras will support a Full HD video recording.