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486 Processors Chart

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This list is not comprehensive.



486
AMD
Processors
Natural
State
SocketsL1 CacheTransistors
Am486SX 33
July, 1993
168 pins
33MHz (33x1)
5v
Socket 1
Socket 2
Socket 3
8KB unified? million
?µm process
?mm² die
Am486SX 33
October, 1993
168 pins
33MHz (33x1)
3.0v
486 Socket1
Socket 11
Socket 21
Socket 3
8KB unified? million
?µm process
?mm² die
Am486SX 40
July, 1993
168 pins
40MHz (40x1)
5v
Socket 1
Socket 2
Socket 3
8KB unified? million
?µm process
?mm² die
Am486SX2 50
February, 1994
168 pins
50MHz (25x2)
5v
Socket 1
Socket 2
Socket 3
8KB unified? million
0.7µm process
?mm² die
Am486SX2 66
April, 1994
168 pins
66MHz (33x2)
5v
Socket 1
Socket 2
Socket 3
8KB unified? million
0.7µm process
?mm² die
Am486DX 25
April, 1993
168 pins
25MHz (25x1)
5v
486 Socket
Socket 1
Socket 2
Socket 3
8KB unified1.6 million
?µm process
89mm² die
Am486DX 33
April, 1993
168 pins
33MHz (33x1)
5v
486 Socket
Socket 1
Socket 2
Socket 3
8KB unified1.6 million
?µm process
89mm² die
Am486DX 40
April, 1993
168 pins
40MHz (40x1)
5v
486 Socket
Socket 1
Socket 2
Socket 3
8KB unified1.6 million
?µm process
89mm² die
Am486DX2 50
April, 1993
168 pins
50MHz (25x2)
5v
486 Socket
Socket 1
Socket 2
Socket 3
8KB unified? million
0.7µm process
?mm² die
Am486DX2 66
November, 1994
168 pins
66MHz (33x2)
3.3v
486 Socket1
Socket 11
Socket 21
Socket 3
8KB unified? million
0.7µm process
?mm² die
Am486DX2 66
Enhanced WB
168 pins
iP24D pinout
66MHz (33x2)
3.3v
486 Socket1
Socket 11
Socket 21
Socket 3
16KB unified? million
?µm process
?mm² die
Am486DX2 80
September, 1994
168 pins
80MHz (40x2)
3.3v
486 Socket1
Socket 11
Socket 21
Socket 3
8KB unified? million
0.5µm process
?mm² die
Am486DX4 75168 pins
75MHz (25x3)
3.3v
486 Socket1
Socket 11
Socket 21
Socket 3
8KB unified? million
?µm process
?mm² die
Am486DX4 100
September, 1994
168 pins
100MHz (33x3)
3.3v
486 Socket1
Socket 11
Socket 21
Socket 3
8KB unified? million
0.5µm process
?mm² die
Am486DX4 120
June 5, 1995
168 pins
120MHz (40x3)
3.3v
486 Socket1
Socket 11
Socket 21
Socket 3
8KB unified? million
0.44µm process
?mm² die
Am486DX4 100
Enhanced WB
168 pins
iP24D pinout
100MHz (33x3)
3.3v
486 Socket1
Socket 11
Socket 21
Socket 3
16KB unified? million
?µm process
?mm² die
Am5x86 133
(X5)
December, 1995
168 pins
iP24D pinout
133MHz (33x4)
3.45v
486 Socket1
Socket 11
Socket 21
Socket 3
16KB unified? million
0.35µm process
43mm² die
Cyrix
Processors
Natural
State
SocketsL1 CacheTransistors
Cx486DX 33
(M6)
September, 1993
168 pins
33MHz (33x1)
3.3v or 5v
486 Socket1
Socket 11
Socket 21
Socket 3
8KB unified1.1 million
?µm process
196mm² die
Cx486DX 40
(M6)
September, 1993
168 pins
40MHz (40x1)
5v
486 Socket
Socket 1
Socket 2
Socket 3
8KB unified1.1 million
?µm process
196mm² die
Cx486DX 50
(M6)
September, 1993
168 pins
50MHz (50x1)
5v
486 Socket
Socket 1
Socket 2
Socket 3
8KB unified1.1 million
?µm process
196mm² die
Cx486DX2 50
(M7)
168 pins
50MHz (25x2)
3.3v
486 Socket1
Socket 11
Socket 21
Socket 3
8KB unified? million
?µm process
?mm² die
Cx486DX2 66
(M7)
168 pins
66MHz (33x2)
3.3v or 5v
486 Socket1
Socket 11
Socket 21
Socket 3
8KB unified? million
?µm process
?mm² die
Cx486DX2 80
(M7)
168 pins
80MHz (40x2)
3.3v or 5v
486 Socket1
Socket 11
Socket 21
Socket 3
8KB unified? million
?µm process
?mm² die
Cx486DX4 75
(M7)
September, 1995
168 pins
75MHz (25x3)
3.3v
486 Socket1
Socket 11
Socket 21
Socket 3
8KB unified1.1 million
?µm process
?mm² die
Cx486DX4 100
(M7)
September, 1995
168 pins
100MHz (33x3)
3.3v
486 Socket1
Socket 11
Socket 21
Socket 3
8KB unified1.1 million
?µm process
?mm² die
Cx5x86 100
(M9, M1sc)
1995
168 pins
iDX4WB pinout
100MHz (33x3)
100MHz (50x2)
3.45v
486 Socket1
Socket 11
Socket 21
Socket 3
16KB unified2.0 million
0.65µm process
?mm² die
Cx5x86 120
(M9, M1sc)
October 30, 1995
168 pins
iDX4WB pinout
120MHz (40x3)
3.45v
486 Socket1
Socket 11
Socket 21
Socket 3
16KB unified2.0 million
0.65µm process
144mm² die
IBM
Processors
Natural
State
SocketsL1 CacheTransistors
IBM486DX2 66168 pins
66MHz (33x2)
3.3v or 3.6v or 5v
486 Socket1
Socket 11
Socket 21
Socket 3
8KB unified? million
?µm process
?mm² die
IBM486DX2 80168 pins
80MHz (40x2)
3.3v or 3.45v or 4.0v
486 Socket1
Socket 11
Socket 21
Socket 3
8KB unified? million
?µm process
?mm² die
IBM486DX4 75168 pins
75MHz (25x3)
3.45v
486 Socket1
Socket 11
Socket 21
Socket 3
8KB unified? million
?µm process
?mm² die
IBM486DX4 100168 pins
100MHz (33x3)
3.45v
486 Socket1
Socket 11
Socket 21
Socket 3
8KB unified? million
?µm process
?mm² die
IBM486DX4WB 75168 pins
iP24D pinout
75MHz (25x3)
3.45v
486 Socket1
Socket 11
Socket 21
Socket 3
8KB unified? million
?µm process
?mm² die
IBM486DX4WB 100168 pins
iP24D pinout
100MHz (33x3)
3.45v
486 Socket1
Socket 11
Socket 21
Socket 3
8KB unified? million
?µm process
?mm² die
IBM5x86C 75168 pins
iDX4WB pinout
75MHz (25x3)
3.3v
486 Socket1
Socket 11
Socket 21
Socket 3
16KB unified? million
?µm process
?mm² die
IBM5x86C 100168 pins
iDX4WB pinout
100MHz (33x3)
3.3v
486 Socket1
Socket 11
Socket 21
Socket 3
16KB unified? million
?µm process
?mm² die
Intel
Processors
Natural
State
SocketsL1 CacheTransistors
i486SX 16
(P23)
September 16, 1991
168 pins
i486SX pinout
16MHz (16x1)
5v
Socket 1
Socket 2
Socket 3
8KB unified1.185 million
1.0µm process
?mm² die
i486SX 20
(P23)
September 16, 1991 - {$258}
168 pins
i486SX pinout
20MHz (20x1)
5v
Socket 1
Socket 2
Socket 3
8KB unified1.185 million
1.0µm process
?mm² die
i486SX 25
(P23)
September 16, 1991
168 pins
i486SX pinout
25MHz (25x1)
5v
Socket 1
Socket 2
Socket 3
8KB unified1.185 million
1.0µm process
?mm² die
i486SX 33
(P23)
September 21, 1992
168 pins
i486SX pinout
33MHz (33x1)
5v
Socket 1
Socket 2
Socket 3
8KB unified0.9 million
0.8µm process
67mm² die
i486SX2 50168 pins
i486SX pinout
50MHz (25x2)
5v
Socket 1
Socket 2
Socket 3
8KB unified0.9 million
0.8µm process
67mm² die
i486SX2 66168 pins
i486SX pinout
66MHz (33x2)
5v
Socket 1
Socket 2
Socket 3
8KB unified0.9 million
0.8µm process
67mm² die
i487SX 20
(NPX - P23N)
169 pins
i487SX pinout
20MHz (20x1)
5v
Co-Processor8KB unified1.2 million
?µm process
?mm² die
i487SX 25
(NPX - P23N)
169 pins
i487SX pinout
25MHz (25x1)
5v
Co-Processor8KB unified1.2 million
?µm process
?mm² die
i486SXODP 25169 pins
25MHz (25x1)
5v
Socket 1
Socket 2
Socket 3
8KB unified? million
?µm process
?mm² die
i486SXODP 33169 pins
33MHz (33x1)
5v
Socket 1
Socket 2
Socket 3
8KB unified? million
?µm process
?mm² die
i486SX2ODP-50169 pins
50MHz (25x2)
5v
Socket 1
Socket 2
Socket 3
8KB unified? million
?µm process
?mm² die
i486DX 25
(P4)
April 10, 1989 - {$900}
168 pins
i486DX pinout
25MHz (25x1)
5v
486 Socket
Socket 1
Socket 2
Socket 3
8KB unified1.2 million
1.0µm process
165mm² die
i486DX 33
(P4)
May 7, 1990
168 pins
i486DX pinout
33MHz (33x1)
5v
486 Socket
Socket 1
Socket 2
Socket 3
8KB unified1.2 million
1.0µm process
165mm² die
i486DX 50
(P4)
June 24, 1991
168 pins
i486DX pinout
50MHz (50x1)
5v
486 Socket
Socket 1
Socket 2
Socket 3
8KB unified1.2 million
0.8µm process
81mm² die
i486DX2 50
(P24)
March 3, 1992 - {$550}
168 pins
i486DX pinout
50MHz (25x2)
5v
486 Socket
Socket 1
Socket 2
Socket 3
8KB unified1.2 million
0.8µm process
81mm² die
i486DX2 66
(P24)
August 10, 1992
168 pins
i486DX pinout
66MHz (33x2)
5v
486 Socket
Socket 1
Socket 2
Socket 3
8KB unified1.2 million
0.8µm process
81mm² die
i486DX2WB 50
(P24D)
October, 1994
168 pins
iP24D pinout
50MHz (25x2)
5v
486 Socket
Socket 1
Socket 2
Socket 3
8KB unified1.2 million
?µm process
?mm² die
i486DX2WB 66
(P24D)
October, 1994
168 pins
iP24D pinout
66MHz (33x2)
5v
486 Socket
Socket 1
Socket 2
Socket 3
8KB unified1.2 million
?µm process
?mm² die
i486DX4 75
(P24C)
March 7, 1994 - {$475}
168 pins
i486DX4 pinout
75MHz (25x3)
3.3v
486 Socket1
Socket 11
Socket 21
Socket 3
Socket 6
16KB unified1.6 million
0.6µm process
345mm² die
i486DX4 100
(P24C)
March 7, 1994 - {$580}
168 pins
i486DX4 pinout
100MHz (33x3)
3.3v
486 Socket1
Socket 11
Socket 21
Socket 3
Socket 6
16KB unified1.6 million
0.6µm process
345mm² die
i486DX4WB 100
- embedded chip
168 pins
iDX4WB pinout
100MHz (33x3)
3.3v
486 Socket1
Socket 11
Socket 21
Socket 3
Socket 6
16KB unified1.6 million
?µm process
?mm² die
i486DXODP 25
(P23T)
169 pins
i487SX pinout
25MHz (25x1)
5v
Socket 1
Socket 2
Socket 3
8KB unified? million
?µm process
?mm² die
i486DXODP 33
(P23T)
169 pins
i487SX pinout
33MHz (33x1)
5v
Socket 1
Socket 2
Socket 3
8KB unified? million
?µm process
?mm² die
i486DX2ODP 50
(P23T)
June, 1993
169 pins
i487SX pinout
50MHz (25x2)
5v
Socket 1
Socket 2
Socket 3
8KB unified? million
?µm process
?mm² die
i486DX2ODP 66
(P23T)
June, 1993
169 pins
i487SX pinout
66MHz (33x2)
5v
Socket 1
Socket 2
Socket 3
8KB unified? million
?µm process
?mm² die
i486DX4ODP 75
(P23T)
October, 1994
169 pins
i487SX pinout
75MHz (25x3)
5v to 3.3v
Socket 1
Socket 2
Socket 3
16KB unified? million
?µm process
?mm² die
i486DX4ODP 100
(P23T)
October, 1994
169 pins
i487SX pinout
100MHz (33x3)
5v to 3.3v
Socket 1
Socket 2
Socket 3
16KB unified? million
?µm process
?mm² die
i486DX2ODPR 50
(P4T)
June, 1993
168 pins
i486DX pinout
50MHz (25x2)
5v
486 Socket
Socket 1
Socket 2
Socket 3
8KB unified? million
?µm process
?mm² die
i486DX2ODPR 66
(P4T)
June, 1993
168 pins
i486DX pinout
66MHz (33x2)
5v
486 Socket
Socket 1
Socket 2
Socket 3
8KB unified? million
?µm process
?mm² die
i486DX4ODPR 75
(P4T)
October, 1994
168 pins
i486DX pinout
75MHz (25x3)
5v to 3.3v
486 Socket
Socket 1
Socket 2
Socket 3
16KB unified? million
?µm process
?mm² die
i486DX4ODPR 100
(P4T)
October, 1994
168 pins
i486DX pinout
100MHz (33x3)
5v to 3.3v
486 Socket
Socket 1
Socket 2
Socket 3
16KB unified? million
?µm process
?mm² die
PODP5V 63
(P24T)
February 3, 1995
235 pins
P24T pinout
63MHz (25x2.5)
5v
Socket 2
Socket 3
16KB data
16KB instruction
? million
0.6µm process
?mm² die
PODP5V 83
(P24T)
October, 1995
237 pins
P24T pinout
83MHz (33x2.5)
5v
Socket 2
Socket 3
16KB data
16KB instruction
? million
?µm process
?mm² die
1 Voltage regulator required.


486 Processor Adapters
Adapter
Manufacturer
Natural
State
Sockets
CCT 486
Adapter
(AMD 486DX4, AMD 5x86)
168 pins
AMD 486DX4:
100MHz (33x3.0)
AMD 5x86:
133MHz (33x4.0)
486 Socket
Socket 1
Socket 2
Socket 3
ComputerNerd RA4
Adapter
(AMD 486DX, AMD 5x86,
Cyrix 5x86, Intel 486DX
)
168 pins
AMD 486DX:
120MHz (40x3.0)
100MHz (33x3.0)
80MHz (40x2.0)
AMD 5x86:
160MHz (40x4.0)
150MHz (50x3.0)
133MHz (33x4.0)
Cyrix 5x86:
133MHz (33x4.0)
120MHz (40x3.0)
100MHz (50x2.0)
100MHz (33x3.0)
Intel DX4:
100MHz (50x2.0)
100MHz (33x3.0)
5v to 3.45v
486 Socket
Socket 1
Socket 2
Socket 3
Evergreen 586
(AMD 5x86-133)
168 pins
133MHz (33x4.0)
100MHz (25x4.0)
5v to 3.45v
Socket 1
Socket 2
Socket 3
Gainbery 5x86-133
(AMD 5x86-133)
168 pins
133MHz (33x4.0)
100MHz (25x4.0)
5v to 3.45v
486 Socket
Socket 1
Socket 2
Socket 3
Kingston Turbochip-133
(AMD 5x86-133)
168 pins
133MHz (33x4.0)
100MHz (25x4.0)
5v to 3.45v
486 Socket
Socket 1
Socket 2
Socket 3
Madex 486004
(AMD 486DX4, AMD 5x86, Intel 486DX4)
168 pins
133MHz (33x4.0)
120MHz (30x4.0)
100MHz (33x3.0)
100MHz (25x4.0)
75MHz (25x3.0)
5v to 3v
5v to 3.3v
5v to 3.45v
5v to 4v
Socket 1
Socket 2
Socket 3
PNY Quickchip-133
(AMD 5x86-133)
168 pins
133MHz (33x4.0)
100MHz (25x4.0)
5v to 3.45v
486 Socket
Socket 1
Socket 2
Socket 3
PowerLeap PL/586-133
(AMD 5x86-133)
168 pins
133MHz (33x4.0)
100MHz (25x4.0)
5v to 3.45v
486 Socket
Socket 1
Socket 2
Socket 3
Trinity Works P5x-133
(AMD 5x86-133)
169 pins
133MHz (33x4.0)
100MHz (25x4.0)
80MHz (20x4.0)
64MHz (16x4.0)
5v to 3.45v
486 Socket
Socket 1
Socket 2
Socket 3


Notes:

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Last Updated: July/14/2008