Intel microprocessors By Matthew McGrory Jan 1, 1971 The 4004 was released. Period: Jan 1, 1971 to Jun 4, 2013 When the Intel processors were released Apr 1, 1972 The 8008 was released (Yes, it actually existed) Period: Apr 1, 1972 to Jun 4, 2013 When Intel processors were released. The most current processor was released. Jan 1, 1974 The 4040 was released. Apr 1, 1974 The 8080 was released. Jan 1, 1976 The 8085 was released. Jan 1, 1982 The 80186 was released. Feb 1, 1982 The 80286 was released. Mar 22, 1983 The Pentium was released. Jan 1, 1985 The 80386 was released. Jan 1, 1988 The i960 was released. Jan 1, 1989 80486 Mar 22, 1993 The Pentium was released. Nov 1, 1995 Pentium pro was released. May 7, 1997 Pentium 2 was released. Feb 26, 1999 Pentium 3 was released. Jan 1, 2001 Itanium was released. Jan 1, 2002 Itanium 2 was released. Mar 1, 2003 Pentium M was released. May 25, 2005 Pentium D was released. Aug 8, 2008 Pentium 4 was released. Jan 1, 2010 Xeon "Nehalem-EX" was released. Feb 8, 2010 Itanium "Tukwilla" 9300 was released. Jan 1, 2011 Intel "Sandy Bridge" was released. Jun 4, 2013 Haswell was released.