Data Sheet
Datasheet, Volume 1 of 2 63
Technologies
• Supported protected memory sizes:
— Supports 32, 64 and 128MB.
For more information, refer to the Intel
®
SGX website at:
https://software.intel.com/en-us/sgx
Intel
®
SGX specifications and functional descriptions are included in the Intel
®
64
Architectures Software Developer’s Manual, Volume 3. Available at:
http://www.intel.com/products/processor/manuals
3.2.11 Intel
®
Virtualization Technology (Intel
®
VT) for Directed
I/O (Intel
®
VT-d)
Refer to Section 3.1.2 Intel VT-d for detail.
3.3 Power and Performance Technologies
3.3.1 Intel
®
Hyper-Threading Technology (Intel
®
HT
Technology)
The processor supports Intel
®
Hyper-Threading Technology (Intel
®
HT Technology)
that allows an execution processor IA core to function as two logical processors. While
some execution resources such as caches, execution units, and buses are shared, each
logical processor has its own architectural state with its own set of general-purpose
registers and control registers. This feature should be enabled using the BIOS and
requires operating system support.
Note: Intel HT Technology may not be available on all SKUs.
3.3.2 Intel
®
Turbo Boost Technology 2.0
The Intel
®
Turbo Boost Technology 2.0 allows the processor IA core / processor
graphics core to opportunistically and automatically run faster than the processor IA
core base frequency / processor graphics base frequency if it is operating below power,
temperature, and current limits. The Intel Turbo Boost Technology 2.0 feature is
designed to increase performance of both multi-threaded and single-threaded
workloads.
Compared with previous generation products, Intel Turbo Boost Technology 2.0 will
increase the ratio of application power towards TDP and also allows to increase power
above TDP as high as PL2 for short periods of time. Thus, thermal solutions and
platform cooling that are designed to less than thermal design guidance might
experience thermal and performance issues since more applications will tend to run at
the maximum power limit for significant periods of time.
Note: Intel Turbo Boost Technology 2.0 may not be available on all SKUs.
3.3.2.1 Intel
®
Turbo Boost Technology 2.0 Frequency
To determine the highest performance frequency amongst active processor IA cores,
the processor takes the following into consideration: