The chipset maker just announced that the Snapdragon 820 will be boasting a X12 LTE modem, which will give us very efficient transfer speed.
Some info about Snapdragon 820:
it will include 60FPS 4K video decoding, LPDDR4 RAM support (up to 2.1GHz), up to 28MP camera sensor support, and LTE Cat. 10 connectivity.
Following this announcement, internal Qualcomm showed that the Snapdragon 820 has a quad-core 64-bit CPU.