Intel Turbo Boost Technology feature temporarily boosts CPU
performance by increasing frequency of one or more cores. How much
the frequency is increased depends on the number of inactive cores,
i.e. cores in states C3 or C6, and how heavily active cores are
utilized. When only one core is active, the frequency can be
increased by up to 2 frequency steps (266 MHz). When more than one
core is active the frequency may be increased by one frequency step
(133 MHz). Unlike
Dual Dynamic
Acceleration feature, which was used in older generations of
quad-core processors and could boost frequency of only two CPU cores,
the Turbo Boost Technology may increase frequency of all 4 cores.
This feature was introduced in
Core i7 microprocessor family.
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