Intel Pentium Pro 133 256 KB - KB80521EX-133 256K
Specifications
Only samples of this part were released.
| General information | |||||||
| Type | CPU / Microprocessor | ||||||
| Market segment | Server | ||||||
| Family | Intel Pentium Pro | ||||||
| CPU part numbers | KB80521EX-133 256K is an OEM/tray microprocessor KB80521EX133 is an OEM/tray microprocessor | ||||||
| Frequency ? | 133 MHz | ||||||
| Package | 387-pin Modified Staggered Ceramic Pin Grid Array with gold plated heat spreader 2.66" x 2.46" (6.76 cm x 6.25 cm) | ||||||
| Socket | Socket 8 | ||||||
| S-spec numbers | |||||||
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| Architecture / Microarchitecture | |||||||
| Microarchitecture | P6 | ||||||
| Core stepping ? | B0 (Q0815) | ||||||
| CPUID | 611 (Q0815) | ||||||
| Manufacturing process | 0.6 and 0.35 micron 5.5 million transistors | ||||||
| Data width | 32 bit | ||||||
| Data bus width | 64 bit | ||||||
| Floating Point Unit | Integrated | ||||||
| Level 1 cache size ? | 8 KB four-way set associative code 8 KB two-way set associative data | ||||||
| Level 2 cache size ? | 256 KB | ||||||
| Pipeline | 12-stage | ||||||
| Multiprocessing | Up to 4 processors | ||||||
| Low power features |
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CPUs, related to Intel Pentium Pro 133 MHz (KB80521EX-133 256K)
| Model | Freq. | L2 cache |
Multi- processing |
TDP | Features |
|---|---|---|---|---|---|
| Intel Pentium Pro family, Socket 8 | |||||
| Intel Pentium Pro KB80521EX 256K | 256 KB | 4 | |||
| Intel Pentium Pro 150 MHz (KB80521EX150 256K) | 150 MHz | 256 KB | 4 | 29.2 Watt | |
| Intel Pentium Pro 166 MHz (KB80521EX166 512K) | 166 MHz | 512 KB | 4 | 35 Watt | |
| Intel Pentium Pro 180 MHz (KB80521EX180 256K) | 180 MHz | 256 KB | 4 | 31.7 Watt | |
| Intel Pentium Pro 200 MHz (KB80521EX200 256K) | 200 MHz | 256 KB | 4 | 35 Watt | |
| Intel Pentium Pro 200 MHz (KB80521EX200 512K) | 200 MHz | 512 KB | 4 | 37.9 Watt | |
| Intel Pentium Pro 200 MHz (GJ80521EX200 1M) | 200 MHz | 1 MB | 4 | 47 Watt | |
| Other families, P6 micro-architecture, Socket 8 | |||||
| Intel Pentium II Overdrive 333 MHz (PODP66X333) | 333 MHz | 512 KB | MMX | ||
• Highlighted numbers and features indicate whether specific processor performs better or worse than Pentium Pro 133 MHz (KB80521EX-133 256K)
• Never released microprocessors are marked with magenta color
• Within each category, the CPUs are sorted from slower (at the top) to faster (at the bottom)
• Features abbreviations:
MMX - MMX instructions
Pictures (1)
| Pre-production sample | |
133 MHz 256 KB L2 cache 387-pin modified SPGA Gold plated heat spreader Pre-production version Image reduced 2x times |
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