Intel Processor Model
Year
Transistor Count
Intel 4004
1971
2,300
Intel 8008
1972
3,500
Intel 8080
1974
4,500
Intel 8085
1976
6,500
Intel 8086
1978
29,000
Intel 8088
1979
29,000
Intel 80186
1982
55,000
Intel 80286
1982
134,000
Intel 80386
1985
275,000
Intel i960
1988
250,000
Intel 80486
1989
1,180,235
Pentium
1993
3,100,000
Pentium Pro
1995
5,500,000
Pentium II Klamath
1997
7,500,000
Pentium II Deschutes
1998
7,500,000
Pentium III Katmai
1999
9,500,000
Pentium III Coppermine
2000
21,000,000
Pentium 4 Willamette
2000
42,000,000
Pentium III Tualatin
2001
45,000,000
Pentium 4 Northwood
2002
55,000,000
Itanium 2 McKinley
2002
220,000,000
Itanium 2 Madison 6M
2003
410,000,000
Pentium 4 Prescott
2004
112,000,000
Itanium 2 with 9MB Cache
2004
592,000,000
Pentium 4 Prescott-2M
2005
169,000,000
Pentium 4 Cedar Mill
2006
184,000,000
Core 2 Duo Conroe
2006
291,000,000
Dual-Core Itanium 2
2006
1,700,000,000
Core 2 Duo Allendale
2007
169,000,000
Core 2 Duo Wolfdale
2007
411,000,000
Atom
2008
47,000,000
Core 2 Duo Wolfdale3M
2008
230,000,000
Core i7 (Quad)
2008
731,000,000
Six-Core Xeon 7400
2008
1,900,000,000
Six-Core Core i7 (Gulftown)
2010
1,170,000,000
Quad-Core Itanium Tukwila
2010
2,000,000,000
8-Core Xeon Nehalem-EX
2010
2,300,000,000
Quad-Core + GPU Core i7
2011
1,160,000,000
Six-Core Core i7/8-Core Xeon E5 (Sandy Bridge-E/EP)
2011
2,270,000,000
10-Core Xeon Westmere-EX
2011
2,600,000,000
Quad-Core + GPU Core i7
2012
1,400,000,000
8-Core Itanium Poulson
2012
3,100,000,000
62-Core Xeon Phi
2012
5,000,000,000
15-Core Xeon Ivy Bridge-EX
2014
4,310,000,000
2. Processor model and year when two billion transistors were placed on a single processor chip.
Processor Model: Quad-Core Itanium Tukwila
Year: 2010
3. Cite Sources.