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This page provides information on the
voltage, multiplier and busspeed settings of the various x86 CPUs on the market.
BRAND |
CPU
TYPE |
Frequency |
Multiplier |
Core
voltage |
I/O
Voltage |
Intel |
P54C-150 |
60 Mhz |
x2.5 |
3.5V |
3.5V |
| |
P54C-166 |
66 Mhz |
x2.5 |
3.5V |
3.5V |
| |
P54C-200 |
66 Mhz |
x3 |
3.5V |
3.5V |
| |
MMX-166 |
66 Mhz |
x2.5 |
2.8V |
3.3V |
| |
MMX-200 |
66 Mhz |
x3 |
2.8V |
3.3V |
| |
MMX-233 |
66 Mhz |
x3.5 |
2.8V |
3.3V |
| |
Pentium II-233 |
66 Mhz |
x3.5 |
2.8V |
3.3V |
| |
Pentium II-266 |
66 Mhz |
x4 |
2.8V |
3.3V |
| |
Pentium II-300 |
66 Mhz |
x4.5 |
2.8V |
3.3V |
| |
Pentium II-333 |
66 Mhz |
x5 |
2.8V |
3.3V |
| |
Celeron-266 |
66 Mhz |
x4 |
2.8V |
3.3V |
| |
Celeron-300 |
66 Mhz |
x4.5 |
2.8V |
3.3V |
| |
Celeron-300A |
66 Mhz |
x4.5 |
2.8V |
3.3V |
| |
Celeron-333 |
66 Mhz |
x5 |
2.8V |
3.3V |
| |
Pentium II-350 |
100 Mhz |
x3.5 |
2.8V |
3.3V |
| |
Pentium II-400 |
100 Mhz |
x4 |
2.8V |
3.3V |
| |
Pentium II-450 |
100 Mhz |
x4.5 |
2.8V |
3.3V |
Cyrix |
6x86L PR166+ |
66 Mhz |
x2 |
2.8V |
3.3V |
| |
6x86L PR200+ |
75 Mhz |
x2 |
2.8V |
3.3V |
| |
6x86MX PR166 |
60 Mhz |
x2.5 |
2.9V |
3.3V |
| |
6x86MX PR200 |
66 Mhz |
x2.5 |
2.9V |
3.3V |
| |
6x86MX PR166 |
66 Mhz |
x2 |
2.9V |
3.3V |
| |
6x86MX PR200 |
75 Mhz |
x2 |
2.9V |
3.3V |
| |
6x86MX PR233 |
75 Mhz |
x2.5 |
2.9V |
3.3V |
| |
6x86MX PR266 |
83 Mhz |
x2.5 |
2.9V |
3.3V |
| |
M II 300 |
66 Mhz |
x3.5 |
2.9V |
3.3V |
| |
M II 300 |
75 Mhz |
x3 |
2.9V |
3.3V |
| |
M II 333 |
83 Mhz |
x3 |
2.9V |
3.3V |
IBM |
6x86MX PR166 |
66 Mhz |
x2 |
2.9V |
3.3V |
| |
6x86MX PR200 |
75 Mhz |
x2 |
2.9V |
3.3V |
| |
6x86MX PR233 |
83 Mhz |
x2 |
2.6V |
3.3V |
| |
6x86MX PR233 |
83 Mhz |
x2 |
2.9V |
3.3V |
| |
6x86MX PR266 |
83 Mhz |
x2.5 |
2.9V |
3.3V |
| |
6x86MX PR300 |
66 Mhz |
x3.5 |
2.9V |
3.3V |
| |
6x86MX PR333 |
83 Mhz |
x3 |
2.9V |
3.3V |
| |
6x86MX PR333 |
100 Mhz |
x2.5 |
2.9V |
3.3V |
AMD |
K5 PR166 |
66 Mhz |
x2.5 |
3.5V |
3.5V |
| |
K6/PR2-166 |
66 Mhz |
x2.5 |
2.9V |
3.3V |
| |
K6/PR2-200 |
66 Mhz |
x3 |
2.9V |
3.3V |
| |
K6/PR2-233(B) |
66 Mhz |
x3.5 |
3.2V |
3.3V |
| |
K6/PR2-233(C) |
66 Mhz |
x3.5 |
3.2V |
3.3V |
| |
K6-266 |
66 Mhz |
x4 |
2.2V |
3.3V |
| |
K6-3D-266 |
66 Mhz |
x4 |
2.2V |
3.3V |
| |
K6-300 |
66 Mhz |
x4.5 |
2.2V |
3.45V |
| |
K6-3D-300 |
100 Mhz |
x3 |
2.2V |
3.3V |
| |
K6-3D-333 |
95 Mhz |
x3.5 |
2.2V |
3.3V |
| |
K6-2-333 |
95 Mhz |
x3.5 |
2.2V |
3.3V |
| |
K6-2-350 |
100 Mhz |
x3.5 |
2.2V |
3.3V |
| |
K6-2-366 |
66MHz |
x5.5 |
2.2V |
3.3V |
| |
K6-2-400 |
100MHz |
x4 |
2.2V |
3.3V |
IDT |
C6-DS180GAEM |
60 Mhz |
x3 |
3.52V |
3.52V |
| |
C6-DS200GAEM |
66 Mhz |
x3 |
3.52V |
3.52V |
| |
C6-DS225GAEM |
75 Mhz |
x3 |
3.52V |
3.52V |
| |
WinChip2-3DE200GA |
66 Mhz |
x3 |
3.52V |
3.52V |
| |
WinChip2-3DE225GA |
75 Mhz |
x3 |
3.52V |
3.52V |
| |
WinChip2-3DE240GA |
60 Mhz |
x4 |
3.52V |
3.52V |
|

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