Frequencies and FSB Pentium, Pentium MMX, K5, K6 and Cyrix (socket 7) |
| YBET | Complete hardware Training |
This list shows all the processors using the socket 7 with their frequency, the multiplying factor and the Front side Bus (FSB)
| Frequency CPU (MHz) | Ratio X | External bus (MHz) - FSB | |
Processor INTEL PENTIUM |
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| P54C 75 | 75 | 1,5 | 50 |
| P54C 90 | 90 | 1,5 | 60 |
| P54C 100 | 100 | 1,5 | 66 |
| P54C 120 | 120 | 2 | 60 |
| P54C 133 | 133 | 2 | 66 |
| P54C 166 | 166 | 2,5 | 66 |
| P54C 200 | 200 | 3 | 66 |
Processor Pentium MMX INTEL |
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| PP 166 | 166 | 2,5 | 66 |
| PP 200 | 200 | 3 | 66 |
| PP 233 | 233 | 3,5 | 66 |
Processor IDT C6 Winchip |
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| C6-150 | 150 | 2 | 75 |
| C6-200 | 200 | 3 | 66 |
Processor Cyrix M2 |
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| P166+ | 133 | 2 | 66 |
| P200+ | 166 | 2,5 | 66 |
| 150 | 2 | 75 | |
| MX-PR233 | 200 | 3 | 66 |
| 166 | 2 | 83,3 | |
| MX-PR266 | 233 | 3,5 | 66 |
| MX-PR300 | 225 | 3 | 75 |
| 233 | 3,5 | 66 | |
| MX-PR333 | 250 | 2,5 | 100 |
| 250 | 3 | 75 | |
| 263 | 3,5 | 75 | |
| 266 | 4 | 66 | |
| MX-PR366 | 250 | 2,5 | 100 |
Processor AMD K5 |
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| PR 100 | 100 | 1,5 | 66 |
| PR 133 | 100 | 1,5 | 66 |
| PR 166 | 116 | 1,75 | 66 |
Processor AMD K6 |
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| K6-166 | 166 | 2,5 | 66 |
| K6-200 | 200 | 3 | 66 |
| K6-233 | 233 | 3,5 | 66 |
| K6-266 | 266 | 4 | 66 |
| K6-300 | 300 | 4,5 | 66 |
| K6-2 333 | 333 | 3,5 | 95 |
| K6-2 350 | 350 | 3,5 | 100 |
| K6-2 366 MHz | 366 | 5,5 | 66 |
| K6-2 380 | 380 | 4 | 95 |
| K6-2 400 MHz | 400 | 4 | 100 |
| K6-2 450 MHz | 450 | 4,5 | 100 |
| K6-2 to 475 MHz | 475 | 5 | 95 |
| K6-2 to 500 MHz | 500 | 5 | 100 |
| K6-2 to 550 MHz | 550 | 5,5 | 100 |
| K6-III to 400 MHz | 400 | 4 | 100 |
| K6-III to 450 MHz | 450 | 4,5 | 100 |
The processors Pentium MMX use supply voltages doubles (generally 3,3V and 5V), with the difference of the P54C Pentium.
Attention, Cyrix is dissociated with the 586 - 150 MHz (actually given rhythm to 120 MHz) and 166 (given rhythm to 133 MHz), do-it-yourself marketing in reference to the brenchmarks. Cyrix (6X86 generation) to 300 MHz is given rhythm to 225 (66 X 3,5), the equivalent at IBM (which has the manufacturing planes and manufactures for him under license): 75 X 3.
Processors K6-III are perfectly identical to the level mother board with K6-2, it is different only with one integrated L2 mask.
In relation:
- AMD Sempron FSB, real speed for AMD Sempron
- Athlon XP FSB, real speed for AMD Athlon XP
- Course: microprocessor PC Processors used in the PC
- Bios and setup Setup configuration for computers