https://www.pcgamer.com/amd-breaks-out-the-whiteboard-to-explain-ryzens-new-overclocking-features/

YouTube via AMD. Click for original.

AMD has posted a video to YouTube that explains in fairly simple terms the new features found in its recently released second generation Ryzen processors. Specifically, the video goes over AMD's XFR 2 (eXtreme Frequency Range 2) and Precision Boost 2 technologies.