Intel® Core i7-5820K

Product CollectionIntel® Core™ X-series Processors
Code NameProducts formerly Haswell E
Vertical SegmentDesktop
Processor Number i7-5820K
Lithography 22 nm
CPU Specifications
Total Cores 6
Total Threads 12
Max Turbo Frequency 3.60 GHz
Intel® Turbo Boost Technology 2.0 Frequency‡ 3.60 GHz
Processor Base Frequency 3.30 GHz
Cache 15 MB Intel® Smart Cache
Bus Speed 0 GT/s
TDP 140 W
Supplemental Information
Marketing StatusDiscontinued
Launch Date Q3'14
Servicing Status End of Servicing Lifetime
End of Servicing Updates Date Wednesday, June 30, 2021
Embedded Options Available No
Included ItemsPlease note: The boxed product does not include a fan or heat sink
DatasheetView now
Memory Specifications
Max Memory Size (dependent on memory type) 64 GB
Memory Types DDR4 1600/1866/2133
Max # of Memory Channels 4
Max Memory Bandwidth 68 GB/s
ECC Memory Supported ‡ No
Expansion Options
Scalability1S Only
PCI Express Revision 3.0
Max # of PCI Express Lanes 28
Package Specifications
Sockets Supported FCLGA2011
Max CPU Configuration1
TCASE 66.8
Package Size52.5mm x 45.0mm
Advanced Technologies
Intel® Turbo Boost Technology ‡ 2.0
Intel® Hyper-Threading Technology ‡ Yes
Intel® 64 ‡ Yes
Instruction Set 64-bit
Instruction Set Extensions Intel® SSE4.2, Intel® AVX2
Idle States Yes
Enhanced Intel SpeedStep® Technology Yes
Intel® Demand Based Switching No
Thermal Monitoring Technologies Yes
Intel® Identity Protection Technology ‡ Yes
Intel® Smart Response Technology Yes
Security & Reliability
Intel® AES New Instructions Yes
Intel® Trusted Execution Technology ‡ No
Execute Disable Bit ‡ Yes
Intel® Virtualization Technology (VT-x) ‡ Yes
Intel® Virtualization Technology for Directed I/O (VT-d) ‡ Yes
Intel® VT-x with Extended Page Tables (EPT) ‡ Yes