Intel Core i7-7820X CPU X-series Processor
11M Cache, up to 4.30 GHz 8 Cores
Essentials
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Product CollectionIntel® Core™ X-series Processors
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Code NameProducts formerly Skylake
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Vertical SegmentDesktop
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Processor Numberi7-7820X
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StatusDiscontinued
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Launch DateQ2'17
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Lithography14 nm
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Included ItemsPlease note: The boxed product does not include a fan or heat sink
CPU Specifications
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# of Cores8
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# of Threads16
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Processor Base Frequency3.60 GHz
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Max Turbo Frequency4.30 GHz
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Cache11 MB L3 Cache
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Bus Speed8 GT/s
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# of QPI Links0
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Intel® Turbo Boost Max Technology 3.0 Frequency ‡4.50 GHz
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TDP140 W
Supplemental Information
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Embedded Options AvailableNo
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DatasheetView now
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Product BriefView now
Memory Specifications
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Max Memory Size (dependent on memory type)128 GB
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Memory TypesDDR4-2666
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Max # of Memory Channels4
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Max Memory Bandwidth85 GB/s
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ECC Memory Supported ‡No
Expansion Options
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Scalability1S Only
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PCI Express Revision3.0
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Max # of PCI Express Lanes28
Package Specifications
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Sockets SupportedFCLGA2066
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Max CPU Configuration1
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Thermal Solution SpecificationPCG 2017X
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TJUNCTION99°C
Advanced Technologies
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Intel® Optane™ Memory Supported ‡Yes
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Intel® Turbo Boost Max Technology 3.0 ‡Yes
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Intel® Turbo Boost Technology ‡2.0
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Intel® Hyper-Threading Technology ‡Yes
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Intel® Virtualization Technology (VT-x) ‡Yes
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Intel® Virtualization Technology for Directed I/O (VT-d) ‡Yes
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Intel® 64 ‡Yes
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Instruction Set64-bit
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Instruction Set ExtensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
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# of AVX-512 FMA Units2
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Enhanced Intel SpeedStep® TechnologyYes
Security & Reliability
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Intel® AES New InstructionsYes
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Execute Disable Bit ‡Yes
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