Hyper-threading

Hyper-threading (officially Hyper-Threading Technology or HT Technology, abbreviated HTT or HT) is Intel's term for its simultaneous multithreading implementation first appearing in February 2002 on its Xeon server processors and in November 2002 on its Pentium 4 desktop CPUs. Later, Intel included this technology in Itanium, Atom, and Core 'i' Series CPUs, among others.