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Inside the Machine by Jon Stokes

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The Pentium M

In order to meet the new challenges posed by the power-efficient computing paradigm, Intel’s Israel-based design team drew on the older, time-tested P6 microarchitecture as the basis for its new low-power design, the Pentium M. The Pentium M takes the overall pipeline organization and layout of the P6 in its Pentium III incarnation and builds on it substantially with a number of innovations, allowing it to greatly exceed its predecessor in both power efficiency and raw performance (see Table 12-1).

Table 12-1. Features of the Pentium M

Introduction Date

March 12, 2003

Process

0.13 micron

Transistor Count

77 million

Clock Speed at Introduction

1.3 to 1.6 GHz

L1 Cache Size

32KB instruction, 32KB data

L2 Cache Size (on-die)

1MB

Most of the Pentium ...

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