Thermal Power Management; Intel Graphics Dynamic Frequency - Intel 2ND GENERATION CORE PROCESSOR FAMILY DESKTOP - DATASHEET VOLUME 1 01-2011 Datasheet

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4.6.5 Intel
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Intel Graphics Dynamic Frequency Technology is the ability of the processor and
graphics cores to opportunistically increase frequency and/or voltage above the
ensured processor and graphics frequency for the given part. Intel
Frequency Technology is a performance feature that makes use of unused package
power and thermals to increase application performance. The increase in frequency is
determined by how much power and thermal budget is available in the package, and
the application demand for additional processor or graphics performance. The
processor core control is maintained by an embedded controller. The graphics driver
dynamically adjusts between P-States to maintain optimal performance, power, and
thermals. The graphics driver will always place the graphics engine in its lowest
possible P-State; thereby, acting in the same capacity as Intel
4.7

Thermal Power Management

See Section 4.6
56
Graphics Dynamic Frequency
for all graphics thermal power management-related features.
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GPMT.
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Power Management
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Graphics Dynamic
Datasheet, Volume 1