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The i7-3820 is a 32nm part with a 3.6GHz default clock and Turbo capabilities up to 3.9GHz. It features 10MB of L3 cache and a new beefed up quad-channel DDR3-1600 memory interface which is theoretically capable of 51.2GB/s of bandwidth. The integrated PCI-E controller has also been revamped and in coordination with the new X79 Express chipset can supply up to 40 PCI-E 2.0 lanes (with PCI-E 3.0 compatibility) to the PEG slots.
Essentials | |
Processor Number
|
i7-3820 |
# of Cores
|
4 |
# of Threads
|
8 |
Clock Speed
|
3.6 GHz |
Max Turbo Frequency
|
3.8 GHz |
Intel® Smart Cache
|
10 MB |
Bus/Core Ratio
|
44 |
DMI
|
5 GT/s |
Instruction Set
|
64-bit |
Instruction Set Extensions
|
SSE4.2, AVX |
Embedded Options Available
|
No |
Lithography
|
32 nm |
Max TDP
|
130 W |
VID Voltage Range
|
0.600V – 1.350V |
Memory Specifications | |
Max Memory Size (dependent on memory type)
|
64 GB |
Memory Types
|
DDR3-1066/1333/1600 |
# of Memory Channels
|
4 |
Max Memory Bandwidth
|
51.2 GB/s |
ECC Memory Supported
|
No |
Graphics Specifications | |
Integrated Graphics
|
|
Expansion Options | |
PCI Express Revision
|
2.0 |
# of PCI Express Ports
|
10 |
Package Specifications | |
Max CPU Configuration
|
1 |
TCASE
|
66.8°C |
Package Size
|
52.5mm x 45.0mm |
Sockets Supported
|
FCLGA2011 |
Low Halogen Options Available
|
See MDDS |
Advanced Technologies | |
Intel® Turbo Boost Technology
|
2.0 |
Intel® Hyper-Threading Technology
|
Yes |
Intel® Virtualization Technology (VT-x)
|
Yes |
Intel® Virtualization Technology for
Directed I/O (VT-d)
|
Yes |
Intel® Trusted Execution Technology
|
No |
AES New Instructions
|
Yes |
Intel® 64
|
Yes |
Idle States
|
Yes |
Enhanced Intel SpeedStep® Technology
|
Yes |
Thermal Monitoring Technologies
|
Yes |
Execute Disable Bit
|
Yes |
Intel® VT-x with Extended Page Tables (EPT)
|
Yes |