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Essentials
Product CollectionIntel® Core™ X-series Processors
Code NameProducts formerly Skylake
Vertical SegmentDesktop
Processor Numberi9-9940X
StatusLaunched
Launch DateQ4\'18
Lithography14 nm
Included ItemsPlease note: The boxed product does not include a fan or heat sink
Recommended Customer Price$1387.00 - $1399.00
Performance
# of Cores14
# of Threads28
Processor Base Frequency3.30 GHz
Max Turbo Frequency4.40 GHz
Cache19.25 MB SmartCache
Bus Speed8 GT/s DMI3
# of QPI Links0
Intel® Turbo Boost Max Technology 3.0 Frequency ‡4.50 GHz
TDP165 W
Supplemental Information
Embedded Options AvailableNo
DatasheetView now
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
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 ExtensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
# of AVX-512 FMA Units2
Enhanced Intel SpeedStep® TechnologyYes
Security & Reliability
Intel® AES New InstructionsYes
Execute Disable Bit ‡Yes
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Documentation