Performance Rating

533 – 1300+ MHz

Generation

Sixth: 80686 IA-32

Operational Rates

Level 1 Cache Speed

1.0× Core Rate

Level 2 Cache Speed

1.0× Core Rate

Front-side Bus Speed

66 – 100 MHz

Multiplier Ratio

5.0× – 13.0+x

Physical Design

Interface Packing

370-Pin FCPGA Socket

Core Die Size

.18 micron

Core Size by Stepping

A2 = 106 mm²

B0 = 104 mm²

CO = 90 mm²

D0 = 95 mm²

Transistor Count

28.1 Million Total

½ Cache Disabled

Voltage Interface

Split Core and I/O

Core Voltage

1.5 volts

I/O Voltage

3.3 volts

Level 2 Cache Voltage

3.3 volts

Power Consumption

9 – 22 watts

Maximum Power

14 – 33 watts

Architectural Design

Core Technology

OOO and Speculative

Execution RISC

Register Support

Integer = 32 bit

FPU = 80 bit

MMX = 64 bit

SSE = 128 bit

Execution Units

2 × ALU/MMX/SSE

1 × Pipelined FPU

Maximum Execution Rate

5 Micro-Ops per Cycle

Data Bus Width

64 bit

Maximum Memory Support

Physical = 64 Gigabyte

Virtual = 64 Terabyte

Multi-Processor Support

2-way SMP via APIC

Level 1 Code Cache

16 KB 4-way

Level 1 Data Cache

16 KB 4-way

Level 2 Cache

128 KB Unified

Read Buffer

4 × 32 Byte

Write Buffer

32 Byte

Pre-fetch Queue

32 Byte

Static Branch Prediction

Supported

Dynamic Branch Prediction

512 Entry 4-way

RSB Branch Prediction

4 Entry

Floating-Point Processor

Integrated

Multimedia Extensions

MMX, SSE