<Li> Xeon E5 v3 </Li> <Li> Xeon E7 v3 </Li> <P> Haswell is the codename for a processor microarchitecture developed by Intel as the "fourth - generation core" successor to the Ivy Bridge microarchitecture . Intel officially announced CPUs based on this microarchitecture on June 4, 2013 at Computex Taipei 2013, while a working Haswell chip was demonstrated at the 2011 Intel Developer Forum . With Haswell, which uses a 22 nm process, Intel also introduced low - power processors designed for convertible or "hybrid" ultrabooks, designated by the "Y" suffix . </P> <P> Haswell CPUs are used in conjunction with the Intel 8 Series chipsets, Intel 9 Series chipsets, and Intel C220 series chipsets . </P>

When did 4th generation intel processors come out