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What is Cool 'n' Quiet / Speed Step?
http://www.softwaretipsandtricks.com/guides/articles/407/1/What-is-Cool-n-Quiet--Speed-Step/Page1.html
By Super Admin
Published on 06/30/2011
 
What is Cool 'n' Quiet / Speed Step?

What is Cool 'n' Quiet / Speed Step?
These refer to the power management schemes used by AMD and Intel respectively. This allows the CPU to conserve energy by altering its speed according to the processing load. At slower speeds, the power consumption is decreased.