High Quality Content by WIKIPEDIA articles! Hyper-threading (officially Hyper-Threading Technology or HT Technology, abbreviated HTT or HT) is Intel`s proprietary simultaneous multithreading (SMT) implementation used to improve parallelization of computations (doing multiple tasks at once) performed on PC microprocessors. It first appeared in February 2002 on Xeon server processors and in November 2002 on Pentium 4 desktop CPUs. Later, Intel included this technology in Itanium, Atom, and Core `i` Series CPUs, among others.