<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 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>
when did 4th generation intel processors come out
when did 4th generation intel processors come out
June 4 , 2013
June 4 , 2013