The 7-inch and 8-inch tablets will launch next to the 10.1-inch variant in the second quarter and both have a 1.2 GHz quad-core processor, 1.5 GB of memory and 16 GB internal storage.
http://www.notebookcheck.net/Samsung-unveils-7-inch-and-8-inch-Galaxy-Tab4-tablets.114540.0.html