Transistor count
Date of introduction
Manufacturer
Process
Area
Intel 4004
2,300
1971
Intel
10 µm
12 mm²
Intel 8008
3,500
1972
Intel
10 µm
14 mm²
MOS Technology 6502
3,510[1]
1975
MOS Technology
8 μm
21 mm²
Motorola 6800
4,100
1974
Motorola
6 μm
16 mm²
Intel 8080
4,500
1974
Intel
6 μm
20 mm²
RCA 1802
5,000
1974
RCA
5 μm
27 mm²
Intel 8085
6,500
1976
Intel
3 μm
20 mm²
Zilog Z80
8,500
1976
Zilog
4 μm
18 mm²
Motorola 6809
9,000
1978
Motorola
5 μm
21 mm²
Intel 8086
29,000
1978
Intel
3 μm
33 mm²
Intel 8088
29,000
1979
Intel
3 μm
33 mm²
Intel 80186
55,000
1982
Intel
3 μm
Motorola 68000
68,000
1979
Motorola
3.5 μm
44 mm²
Intel 80286
134,000
1982
Intel
1.5 µm
49 mm²
WDC 65C816
22,000[2]
1983
WDC
Motorola 68020
200,000
1984
Motorola
2 μm
Intel 80386
275,000
1985
Intel
1.5 µm
104 mm²
ARM 1
25,000[3]
1985
Acorn
ARM 2
25,000
1986
Acorn
Intel i960
250,000[4]
1988
Intel
0.6 µm
Intel 80486
1,180,235
1989
Intel
1 µm
173 mm²
ARM 3
300,000[5]
1989
Acorn
R4000
1,350,000
1991
MIPS
1.0 µm
213 mm²
ARM 6
30,000
1991
ARM
Pentium
3,100,000
1993
Intel
0.8 µm
294 mm²
ARM 7
578977[6]
1994
ARM
68.51 mm²
Pentium Pro
5,500,000[7]
1995
Intel
0.5 µm
307 mm²
AMD K5
4,300,000
1996
AMD
0.5 µm
251 mm²
Pentium II
7,500,000
1997
Intel
0.35 µm
195 mm²
AMD K6
8,800,000
1997
AMD
0.35 µm
162 mm²
Pentium III
9,500,000
1999
Intel
0.25 µm
128 mm²
AMD K6-III
21,300,000
1999
AMD
0.25 µm
118 mm²
AMD K7
22,000,000
1999
AMD
0.25 µm
184 mm²
Pentium 4
42,000,000
2000
Intel
180 nm
217 mm²
Atom
47,000,000
2008
Intel
45 nm
24 mm²
Barton
54,300,000
2003
AMD
130 nm
101 mm²
AMD K8
105,900,000
2003
AMD
130 nm
193 mm²
Itanium 2 McKinley
220,000,000
2002
Intel
180 nm
421 mm²
Cell
241,000,000
2006
Sony/IBM/Toshiba
90 nm
221 mm²
Core 2 Duo
291,000,000
2006
Intel
65