What Is Zen
Released in February 2017, Zen is a CPU microarchitecture designed by AMD. It is a significant redesign from previous AMD microarchitectures. Zen supports three lines of AMD CPUs (Ryzen, Threadripper, and EPYC), each of which use a unique socket type. An upgraded version of Zen, named Zen+, was released in April 2018. AMD has also announced plans for the next generations of the Zen architecture, named Zen 2 and Zen 3....