These two new mobile platforms are the direct successors of the existing Snapdragon 626 and 653. They both use the 14 nm technology and come with Bluetooth 5, Quick Charge 4.0, X12 LTE connectivity, and more.
http://www.notebookcheck.net/Qualcomm-unveils-Snapdragon-630-and-660-mid-range-chips.219666.0.html