Intel Dynamic Acceleration technology (IDA) is a feature that
boosts CPU performance when the CPU is running single-threaded
applications. This is achieved by temporary increasing frequency of one
CPU core when another CPU core is idle, i.e. when the second CPU core is
in Deep Sleep or lower power state. How much the frequency is
increased depends on front-side bus speed of the CPU:
- 533 MHz FSB - by 133 MHz
- 800 MHz FSB - by 200 MHz
- 1066 MHz FSB - by 133 or 266 MHz
This feature was introduced in
Intel Core 2 Duo Mobile
microprocessor family and is applicable only to dual-core CPUs.
Quad-core processors incorporate
Dual Dynamic
Acceleration feature, which works similar to IDA. Newer Intel
microprocessors based on Nehalem core utilize improved version of IDA
called Turbo Boost Technology.
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