While the 5.5-inch J7 Pro comes with the Exynos 7870 processor under the hood and 3 GB RAM and 64 GB storage space, the larger J7 Max uses the Helio P20 processor, next to 4 GB RAM and 32 GB internal storage.
https://www.notebookcheck.net/Samsung-unveils-Galaxy-J7-Max-and-Galaxy-J7-Pro-Android-handsets.227578.0.html