Intel Core i9-7940X

Essentials

• Product CollectionIntel® Core™ X-series Processors
• Code NameProducts formerly Skylake
• Vertical SegmentDesktop
• Processor Numberi9-7940X
• StatusLaunched
• Launch DateQ3'17

Performance

• # of Cores14
• # of Threads28
• Processor Base Frequency3.10 GHz
• Max Turbo Frequency4.30 GHz
• Cache19.25 MB
• Bus Speed8 GT/s DMI3
• # of QPI Links0
• Intel® Turbo Boost Max Technology 3.0 Frequency ^‡4.40 GHz
• TDP165 W

Supplemental Information

• Embedded Options AvailableNo
• Conflict FreeYes

Learn how Intel is pursuing conflict-free technology.

Memory Specifications

• Max Memory Size (dependent on memory type)128 GB
• Memory TypesDDR4-2666
• Max # of Memory Channels4
• ECC Memory Supported ^‡No

Expansion Options

• Scalability1S Only
• PCI Express Revision3.0
• Max # of PCI Express Lanes44

Package Specifications

• Sockets SupportedFCLGA2066
• Max CPU Configuration1
• Thermal Solution SpecificationPCG 2017X
• T_JUNCTION102°C
• Low Halogen Options AvailableSee MDDS

Advanced Technologies

• Intel® Optane™ Memory Supported ^‡Yes
• Intel® Turbo Boost Max Technology 3.0 ^‡Yes
• 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® 64 ^‡Yes
• Instruction Set ExtensionsSSE4.1/4.2, AVX2, AVX-512
• Enhanced Intel SpeedStep® TechnologyYes

Security & Reliability

• Intel® AES New InstructionsYes
• Execute Disable Bit ^‡Yes