Intel CPU Desktop Core i9-11900KF (3.5GHz - 5.3Ghz, 16MB, LGA1200) box
Product Collection11th Generation Intel® Core™ i9 Processors
Code NameProducts formerly Rocket Lake
Vertical SegmentDesktop
Processor Numberi9-11900KF
Lithography14 nm
Use ConditionsPC/Client/Tablet
CPU Specifications
Total Cores8
Total Threads16
Max Turbo Frequency5.30 GHz
Intel® Thermal Velocity Boost Frequency5.30 GHz
Intel® Turbo Boost Max Technology 3.0 Frequency ‡5.20 GHz
Intel® Turbo Boost Technology 2.0 Frequency‡5.10 GHz
Processor Base Frequency3.50 GHz
Cache16 MB Intel® Smart Cache
Bus Speed8 GT/s
TDP125 W
Configurable TDP-down Base Frequency3.00 GHz
Configurable TDP-down95 W
Supplemental Information
Marketing StatusLaunched
Launch DateQ1'21
Embedded Options AvailableNo
DatasheetView now
Memory Specifications
Max Memory Size (dependent on memory type)128 GB
Memory TypesDDR4-3200
Max # of Memory Channels2
Max Memory Bandwidth50 GB/s
ECC Memory Supported ‡No
Expansion Options
Scalability1S Only
PCI Express Revision4.0
PCI Express Configurations ‡Up to 1x16+1x4, 2x8+1x4, 1x8+3x4
Max # of PCI Express Lanes20
Package Specifications
Sockets SupportedFCLGA1200
Max CPU Configuration1
Thermal Solution SpecificationPCG 2019A
Intel® Thermal Velocity Boost Temperature70 °C
TJUNCTION100°C
Package Size37.5 mm x 37.5 mm
Advanced Technologies
Intel® Gaussian & Neural Accelerator2.0
Intel® Deep Learning Boost (Intel® DL Boost)Yes
Intel® Optane™ Memory Supported ‡Yes
Intel® Thermal Velocity BoostYes
Intel® Turbo Boost Max Technology 3.0 ‡Yes
Intel® Turbo Boost Technology ‡2.0
Intel® Hyper-Threading Technology ‡Yes
Intel® 64 ‡Yes
Instruction Set64-bit
Instruction Set ExtensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
Idle StatesYes
Enhanced Intel SpeedStep® TechnologyYes
Thermal Monitoring TechnologiesYes
Intel® Identity Protection Technology ‡Yes
Security & Reliability
Intel® AES New InstructionsYes
Secure KeyYes
Intel® Software Guard Extensions (Intel® SGX)No
Intel® OS GuardYes
Intel® Trusted Execution Technology ‡No
Execute Disable Bit ‡Yes
Intel® Boot GuardYes
Intel® Stable IT Platform Program (SIPP)No
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
Product Collection11th Generation Intel® Core™ i9 Processors
Code NameProducts formerly Rocket Lake
Vertical SegmentDesktop
Processor Numberi9-11900KF
Lithography14 nm
Use ConditionsPC/Client/Tablet
CPU Specifications
Total Cores8
Total Threads16
Max Turbo Frequency5.30 GHz
Intel® Thermal Velocity Boost Frequency5.30 GHz
Intel® Turbo Boost Max Technology 3.0 Frequency ‡5.20 GHz
Intel® Turbo Boost Technology 2.0 Frequency‡5.10 GHz
Processor Base Frequency3.50 GHz
Cache16 MB Intel® Smart Cache
Bus Speed8 GT/s
TDP125 W
Configurable TDP-down Base Frequency3.00 GHz
Configurable TDP-down95 W
Supplemental Information
Marketing StatusLaunched
Launch DateQ1'21
Embedded Options AvailableNo
DatasheetView now
Memory Specifications
Max Memory Size (dependent on memory type)128 GB
Memory TypesDDR4-3200
Max # of Memory Channels2
Max Memory Bandwidth50 GB/s
ECC Memory Supported ‡No
Expansion Options
Scalability1S Only
PCI Express Revision4.0
PCI Express Configurations ‡Up to 1x16+1x4, 2x8+1x4, 1x8+3x4
Max # of PCI Express Lanes20
Package Specifications
Sockets SupportedFCLGA1200
Max CPU Configuration1
Thermal Solution SpecificationPCG 2019A
Intel® Thermal Velocity Boost Temperature70 °C
TJUNCTION100°C
Package Size37.5 mm x 37.5 mm
Advanced Technologies
Intel® Gaussian & Neural Accelerator2.0
Intel® Deep Learning Boost (Intel® DL Boost)Yes
Intel® Optane™ Memory Supported ‡Yes
Intel® Thermal Velocity BoostYes
Intel® Turbo Boost Max Technology 3.0 ‡Yes
Intel® Turbo Boost Technology ‡2.0
Intel® Hyper-Threading Technology ‡Yes
Intel® 64 ‡Yes
Instruction Set64-bit
Instruction Set ExtensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
Idle StatesYes
Enhanced Intel SpeedStep® TechnologyYes
Thermal Monitoring TechnologiesYes
Intel® Identity Protection Technology ‡Yes
Security & Reliability
Intel® AES New InstructionsYes
Secure KeyYes
Intel® Software Guard Extensions (Intel® SGX)No
Intel® OS GuardYes
Intel® Trusted Execution Technology ‡No
Execute Disable Bit ‡Yes
Intel® Boot GuardYes
Intel® Stable IT Platform Program (SIPP)No
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