Intel Pentium

relatively new central processor of the Intel Corporation

This article is about the original microprocessor. For CPU brands using the "Pentium" trademark (e.g. Pentium II, Pentium III, etc.) see Pentium (brand). For the hydrogen isotope, see Hydrogen-5. The Pentium brand refers to Intel's single-core x86 microprocessor based on the P5 fifth-generation microarchitecture considered here as such only. The name 'Pentium' was derived from the Greek penta, meaning 'five', and the Latin ending -ium. Introduced on March 22, 1993, the Pentium succeeded the Intel486, which number "4" signified the fourth-generation microarchitecture. Intel selected the Pentium name after courts had disallowed trademarking of names containing numbers - like "286", "i386", "i486" - though, sometimes, the Pentium is unofficially referred to as i586. In 1996, the original Pentium was succeeded by the Pentium MMX branded CPUs still based on the P5 fifth-generation microarchitecture.
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Intel Pentium, relatively new central processor of the Intel Corporation