Intel i7-3540M AW8063801108900 User Manual
Product codes
AW8063801108900
Datasheet, Volume 1
43
Technologies
with maximum performance. Since the turbo feature is configurable and dependent on
many platform design limits outside of the processor control, the maximum
performance cannot be ensured.
many platform design limits outside of the processor control, the maximum
performance cannot be ensured.
Turbo Mode availability is independent of the number of active cores; however, the
Turbo Mode frequency is dynamic and dependent on the instantaneous application
power load, the number of active cores, user configurable settings, operating
environment, and system design.
Turbo Mode frequency is dynamic and dependent on the instantaneous application
power load, the number of active cores, user configurable settings, operating
environment, and system design.
3.4.1
Intel
®
Turbo Boost Technology Frequency
The processor's rated frequency assumes that all execution cores are active and are at
the sustained thermal design power (TDP). However, under typical operation not all
cores are active or at executing a high power workload. Therefore, most applications
are consuming less than the TDP at the rated frequency. Intel Turbo Boost Technology
takes advantage of the available TDP headroom and active cores are able to increase
their operating frequency.
the sustained thermal design power (TDP). However, under typical operation not all
cores are active or at executing a high power workload. Therefore, most applications
are consuming less than the TDP at the rated frequency. Intel Turbo Boost Technology
takes advantage of the available TDP headroom and active cores are able to increase
their operating frequency.
To determine the highest performance frequency amongst active cores, the processor
takes the following into consideration to recalculate turbo frequency during runtime:
takes the following into consideration to recalculate turbo frequency during runtime:
• The number of cores operating in the C0 state.
• The estimated core current consumption.
• The estimated package prior and present power consumption.
• The package temperature.
• The estimated core current consumption.
• The estimated package prior and present power consumption.
• The package temperature.
Any of these factors can affect the maximum frequency for a given workload. If the
power, current, or thermal limit is reached, the processor will automatically reduce the
frequency to stay with its TDP limit. Turbo processor frequencies are only active if the
operating system is requesting the P0 state. For more information on P-states and C-
states refer to
power, current, or thermal limit is reached, the processor will automatically reduce the
frequency to stay with its TDP limit. Turbo processor frequencies are only active if the
operating system is requesting the P0 state. For more information on P-states and C-
states refer to
3.4.2
Intel
®
Turbo Boost Technology Graphics Frequency
The graphics render frequency is selected dynamically based on graphics workload
demand as permitted by the processor turbo control. The processors can optimize both
processor and integrated graphics performance through power sharing. The processor
cores and the integrated graphics core share a package power limit. If the graphics
core is not consuming enough power to reach the package power limit, the cores can
increase frequency to take advantage of the unused thermal power headroom. The
opposite can happen when the processor cores are not consuming enough power to
reach the package power limit. For the integrated graphics, this could mean an increase
in the render core frequency (above its rated frequency) and increased graphics
performance. Both the processor core(s) and the graphics render core can increase
frequency higher than possible without power sharing.
demand as permitted by the processor turbo control. The processors can optimize both
processor and integrated graphics performance through power sharing. The processor
cores and the integrated graphics core share a package power limit. If the graphics
core is not consuming enough power to reach the package power limit, the cores can
increase frequency to take advantage of the unused thermal power headroom. The
opposite can happen when the processor cores are not consuming enough power to
reach the package power limit. For the integrated graphics, this could mean an increase
in the render core frequency (above its rated frequency) and increased graphics
performance. Both the processor core(s) and the graphics render core can increase
frequency higher than possible without power sharing.
Note:
The processor Utilization of turbo graphic frequencies requires that the Intel Graphics
driver to be properly installed. Turbo graphic frequencies are not dependent on the
operating system processor P-state requests and may turbo while the processor is in
any processor P-states.