Qualcomm previously teased the Snapdragon 820 back at Mobile World Congress 2015. The manufacturer switch to Samsung was revealed by personnel familiar with Qualcomm company plans. As reported by Re/code:
"The Snapdragon 820 is the next generation of Qualcomm's top-end chip family, designed for the 2016 flagship models from the leading phone makers. Qualcomm is hoping that the move to use Samsung's factories will help it win back business for the next Galaxy S flagship, the sources said."
The company has relied on Taiwan-based TSMC to produce the majority of Qualcomm chips, but it's believed TSMC will be used as a backup to handle extra capacity required to meet demand. Qualcomm isn't the only major partner for Samsung looking to utilize its advanced chip-making facilities. Apple is also reported to be using Samsung's assets to produce the A9 chip for the next wave of hardware.
Source: Re/code
