Chapter 3

Intel® Core™ Processors


The last chapter in the three chapter introduction to Intel® Architecture, this chapter covers the modern Intel® Core™ microarchitectures. The chapter begins by highlighting the significance of Intel’s tick-tock cadence. The first processor covered, the Pentium® M, is used to discuss ACPI power states, including C, P, and T states. The second processor covered, the Second Generation Intel® Core™ microarchitecture, focuses on RAPL, Intel® Turbo Boost, and other modern power saving techniques.


Second Generation Intel® Core™

Sandy Bridge

Pentium® M


C states

P states

T states


Turbo Boost

Flex Memory Technology

Tick tock

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