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Intel Core i9 11900KF

Intel Core i9 11900KF

Core i9 11900KF - desktop processor produced by Intel for socket BGA-1200 that has 8 cores and 16 threads. The base clock frequency of the CPU is 3500 MHz, but due to Turbo Boost technology, it can perform up to 5300 MHz. The size of the L3 cache is 16 MB. Please note that this chip doesn’t have integrated graphics.


Performance tests of Intel Core i9 11900KF in benchmarks
Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)


Core i9 11900KF technical specifications


Vendor Intel
Released March 16, 2021
Launch price 513 USD
Type Desktop
Codename Rocket Lake
Model number i9-11900KF
Socket BGA-1200
Integrated GPU No


Cores 8
Threads 16
Base Frequency 3.5 GHz
Turbo Boost Frequency 5.3 GHz
Bus frequency 100 MHz
Multiplier 35x
Bus Bandwidth 8 GT/s
L1 Cache 64K (per core)
L2 Cache 512K (per core)
L3 Cache 16MB (shared)
Unlocked Multiplier Yes


Fabrication process 14 nm
TDP 125 W
Max. temperature 100°C

Memory support

Memory types DDR4-3200
Memory Size 128 GB
Max. Memory Channels 2
Max. Memory Bandwidth 50 GB/s
ECC Support No


Official site Intel Core i9 11900KF official page
PCI Express Version 4.0
PCI Express Lanes 20


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