Intel Core i9 9900KF

Intel Core i9 9900KF
  • Cores: 8
  • L3 cache: 16MB (shared)
  • TDP: 95 W
  • Transistor size: 14 nm
Core i9 9900KF - desktop processor produced by Intel for socket LGA-1151 that has 8 cores and 16 threads. The base clock frequency of the CPU is 3600 MHz, but due to Turbo Boost technology, it can perform up to 5000 MHz. The size of the L3 cache is 16 MB. Please note that this chip doesn’t have integrated graphics.

Test in Benchmarks

Performance test of Intel Core i9 9900KF in benchmarks

Cinebench R23

Reputable cross-platform benchmark for high-performance processors
Cinebench R23 (Single-Core)
Cinebench R23 (Multi-Core)


Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Integer math 66.2 GOps/sec
Floating point math 41.3 GOps/sec
Find prime numbers 48M Primes/sec
Random string sorting 37.1M Strings/sec
Data encryption 6.6 GBytes/sec
Data compression 286.1 MBytes/sec
Physics 945 Frames/sec
Extended instructions 19.2B Matrices/sec
Sources: PassMark [3]


Core i9 9900KF technical specifications


Vendor Intel
Released January 7, 2019
Type Desktop
instruction set x86-64
Codename Coffee Lake
Model number i9-9900KF
Integrated GPU No


Performance Cores
P-Cores 8
P-Threads 16
Base Frequency (P) 3.6 GHz
Turbo Boost Frequency (P) 5 GHz
Total Cores 8
Total Threads 16
Bus Frequency 100 MHz
Multiplier 36x
Bus Bandwidth 8 GT/s
L1 Cache 64K (per core)
L2 Cache 256K (per core)
L3 Cache 16MB (shared)
Unlocked Multiplier Yes


Fabrication process 14 nm
TDP (PL1) 95 W
Socket LGA-1151
Peak temperature 100°C

Memory Support

Memory types - DDR4-2666
Memory Size 128 GB
Max. Memory Channels 2
Max. Memory Bandwidth 41.6 GB/s
ECC Support No


Official site Intel Core i9 9900KF official page
PCI Express Version 3.0
PCI Express Lanes 16
Extended instructions SSE4.1, SSE4.2, AVX-2


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