CPU Specification List (386 to Pentium II)
CPU Specification List 
Manufacturer - Cyrix BUS Muliplier Volt
CX83D87 16mhz 
20mhz 1kb Cache 
25mhz 1kb Cache 
CX486S 33Mhz/40Mhz
CX486DLC 33Mhz/40Mhz
CX486SLC/e 25Mhz/33Mhz
CX486DX 33Mhz/40Mhz/50Mhz
CX486DX2 40Mhz/50Mhz
6x86 P120+  100Mhz
6x86 P133+  110Mhz
6x86 P150+  120Mhz
6x86 P166+  133Mhz
6x86 P200+  150Mhz
6x86MX-PR166GP   150Mhz
6x86MX-PR200GP   166Mhz
6x86MX-PR233GP   188Mhz
6x86MX-PR166   150Mhz
6x86MX-PR200   166Mhz
6x86MX-PR200   166Mhz
6x86MX-PR233   200Mhz
6x86MX-PR233
6x86MX-PR233
6x86MX-PR266
6x86MX-PR266
6x86MX-PR266
6x86MX-PR300
MII PR300
MII PR333
MII PR333
MII PR333
MII PR366
32Mhz
40mhz
50mhz
2kb cache
1kb cache
1kb cache
8kb cache
8kb cache
50Mhz
55Mhz
60Mhz
66Mhz
75Mhz
60Mhz
66Mhz
75Mhz
66Mhz
66Mhz
75Mhz
66Mhz
75Mhz
83Mhz
66Mhz
75Mhz
83Mhz
66Mhz
66/75mhz
66Mhz
83Mhz
75Mhz
100Mhz
-
-
-
-
-
-
-
-
2.0
2.0
2.0
2.0
2.0
2.5
2.5
2.5
2.0 / 2.5
2.5
2.0
3.0
2.5
2.0
3.5
3.0
2.5

3.5
3.5 / 3.0
4 / 3.5
3.0
3.5
2.5
5v
5v
5v
5v
5v
5v
3.3v
5v
5v
-
-
-
-
-
-
-
2.9v
2.9v
2.9v
2.9v
2.9v
2.9v
2.9v
2.9v
2.9v
2.9v
2.9v
2.9v
2.9v
2.9v
2.9v
ManufacturerAMD BUS/Mhz Muliplier Volt
AM386SX 25Mhz/33Mhz/40Mhz
AM386DX 25Mhz/33Mhz/40Mhz
AM486DX-2 50Mhz 
AM486DX 33Mhz/40Mhz/50Mhz 
AM486DXLV 33Mhz 
AM486SX 33Mhz/40Mhz  
AM486SXLV 33Mhz
PR75ABR  75Mhz & K5 PR90ABQ 90Mhz 
PR100ABQ  100Mhz 
PR120ABQ  90Mhz
PR133ABQ  100Mhz
PR150ABQ  120Mhz
K5 PR-150   150Mhz
K5 PR-166  166Mhz
K6 PR166   166Mhz
K6 PR200   200Mhz
K6 PR233   233Mhz
K6 233Mhz
K6 266Mhz
K6 300Mhz
K6 300Mhz
K6-2  333Mhz
K6-2  333Mhz
K6-2  350Mhz
K6-2  366Mhz
K6-2  380Mhz
K6-2  400Mhz
K6-2  450Mhz
K6-2  475Mhz
K6-2  500Mhz
K6-3  400Mhz
K6-3  450Mhz
K6-3  475Mhz
K6-3  500Mhz
-
-
8kb cache
8kb cache
8kb cache
8kb cache
8kb cache
8kb cache
50Mhz
60Mhz
66Mhz

60Mhz
66Mhz
60Mhz
60Mhz
66Mhz
66Mhz
66Mhz
66Mhz
66Mhz
66Mhz
100Mhz
66Mhz
95Mhz
100Mhz
66Mhz
95Mhz
100Mhz
100Mhz
95Mhz
100Mhz
100Mhz
100Mhz

95Mhz
100Mhz
-
-
-
-
-
-
-
-
1.5
1.5
1.5
1.5
1.5
2.0
2.5
2.5
                    
3.0                   
3.5                   
3.5
4
4.5
3
5
3.5
3.5
5.5
4
4
4.5
5
5
4
4.5
5
5

5v
5v
5v
5v
3.3v
5v
3.3
2.9v

3.2v 3.3v
2.2v
2.2v
2.2v
2.2v
2.2v
2.2v
2.2v
2.2v
2.2v
2.2v
2.4v

2.4v
2.4v
2.4v
2.4v
2.4v
2.4v
2.2v
2.4v
2.4v
2.4v
2.4v
2.4v
2.4v
2.4v
Manufacturer - Intel Bus/Bit Muliplier Volt
Overdrive 20mhz   5v
Overdrive 25mhz   5v
Overdrive 33mhz   5v
8080 2mhz
8086 5mhz
8088 5mhz
80286 8mhz
80386DX 16mhz
80386SX 16mhz
486SL- 25mhz
486SX 16mhz/20mhz/25mhz/33mhz
486DX 25mhz/33mhz/50mhz
486DX-2 50mhz/66mhz
Pentium 60mhz/66mhz
Pentium 75Mhz
Pentium 90Mhz
Pentium 100Mhz
Pentium 120Mhz
Pentium 133Mhz
Pentium 150Mhz
Pentium 166Mhz and MMX
Pentium 180Mhz MMX P55C
Pentium 200Mhz MMX P55C
Pentium 233Mhz MMX P55C
Pentium II Celeron 333Mhz
Pentium II 233Mhz
Pentium II 266Mhz
Pentium II 300Mhz
Pentium II 333Mhz
Pentium II 350Mhz
Pentium II 400Mhz
Pentium II 450Mhz
Pentium II 366Mhz Celeron
40mhz
50mhz
66mhz
8-bit
8-bit
16-bit
16-bit
16-bit
32-bit
33mhz 32-bit
8kb cache
8kb cache
8kb cache
8kb cache
16kb cache
50Mhz
60Mhz
66Mhz
60Mhz
66Mhz
60Mhz
66Mhz
60Mhz
66Mhz
66Mhz
66Mhz
66Mhz
66Mhz
66Mhz
66Mhz
100Mhz
100Mhz
100Mhz
66mhz
-
-
-
-
-
-
-
-
-
-
-
5v   
5v  
5v 
5v
5v
1.5
1.5
1.5
2.0
2.0
2.5
2.5
3.0
3.0
3.5
5.0
3.5
4.0
4.5
5.0
3.5
4.0
4.5
5.5
P55c 2.8V

V-VRE 3.4v to 3.6v
S-Standard 3.135v to 3.6

P54C and P55C use the same voltages
ManufacturerOther Cache Clock Speed Volt
DEC ALPHA
POWERPC 604
ULTRASPARC-1
VR4200
55 SPECINT92
30 SPECINT92
VR4400PC
VR4400MC
XEON
XEON
IDT Winchip 240GA
IDT Winchip C6-225GA
16K / 96K
16K
16K
16K ins.8K 
16K ins. 8K
16K ins.8K 
2MB
4MB
1mb L-2 4way
2mb L-2 4 way
3.5x
3x
266Mhz
133Mhz
167Mhz
80Mhz RISC
80Mhz RISC
80Mhz - 133Mhz
150Mhz RISC
150Mhz RISC
400Mhz RISC
450Mhz RISC
60Mhz
75Mhz
-
-
-
3.3v 1.5w
3.3v 1.5w
3.3v 1.5w
3.3v 1.5w
3.3v 1.5w
3.3v 1.5w
3.3v 1.5w
3.52v
3.52v
Resistor Values
Processor Pins Transistors / Die
386DX
486SX
486DX/DX-2
Pentium
Pentium PRO
Pentium II
DEC ALPHA
POWERPC 601
POWERPC 604
Sun SPARC
ULTRASPARC-1
MIPS R2000
MOS 6502
Zilog Z80
Motorola 6800
Motorola 68000
132 pins
169 pins
168 pins
273 pins
Slot A .35m
-
-
0.6 micron
0.6 micron
-
-
-
-
-
-
-
275 000
1.185 million
1.2 million
3.2 million
7.5 million  203mm2 die
5.5 million
9.3 million
2.8 million
32-Bit RISC
3.6 million 32-Bit RISC
50,000
5.2 million

185 000
9,000
8,500
4,000
68,000
8008
4004
8080
8086
8088
80286
80386
80486 DX-4 100Mhz
3,500
2,300
6 000
29 000
29 000
134 000
275 000
24 Layers -  0.6 micron 131 CMOS
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