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Processor Family |
Model Name |
Intel Pentium III Katmai |
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Performance Rating |
600 MHz |
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Generation |
Sixth: 80686 IA-32 |
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Operational Rates |
Level 1 Cache Speed |
1.0× Core Rate |
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Level 2 Cache Speed |
0.5× Core Rate |
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Front-side Bus Speed |
100 – 133 MHz |
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Multiplier Ratio |
4.5× – 6.0× |
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Physical Design |
Interface Packing |
242-Pin Slot 1 Cartridge |
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Core Die Size |
.25 micron, 128mm2 |
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Transistor Count |
~ 9.5 Million |
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Voltage Interface |
Split Core and I/O |
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Core Voltage |
2.00 − 2.05 volts |
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I/O Voltage |
3.3 volts |
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Level 2 Cache Voltage |
3.3 volts |
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Power Consumption |
17 – 23 watts |
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Maximum Power |
25.3 – 34.5 watts |
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Architectural Design |
Core Technology |
OOO and Speculative Execution RISC |
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Register Support |
Integer = 32 bit |
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FPU = 80 bit |
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MMX = 64 bit |
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SSE = 128 bit |
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Execution Units |
2 × ALU/MMX/SSE |
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1 × Pipelined FPU |
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Maximum Execution Rate |
5 Micro-Ops per Cycle |
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Data Bus Width |
64 bit |
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Maximum Memory Support |
Physical = 64 Gigabyte |
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Virtual = 64 Terabyte |
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Multi-Processor Support |
2-way SMP via APIC |
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Level 1 Code Cache |
16 KB 4-way |
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Level 1 Data Cache |
16 KB 4-way |
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Level 2 Cache |
512 KB Unified |
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Read Buffer |
4 × 32 Byte |
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Write Buffer |
32 Byte |
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Pre-fetch Queue |
32 Byte |
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Static Branch Prediction |
Supported |
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Dynamic Branch Prediction |
512 Entry 4-way |
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RSB Branch Prediction |
4 Entry |
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Floating-Point Processor |
Integrated |
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Multimedia Extensions |
MMX, SSE |
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