Intel Core i9 11900KF specifications and performance

Intel Core i9 11900KF is a 8 cores and 16 threads CPU processor produced by Intel. Intel Core i9 11900KF was released on 2021-03-16, the fabrication process is 14nm (nanometer), the CPU codename is Rocket Lake, the instruction set architecture is x86-64, and the CPU's integrated graphics (iGPU) is -.

Basic Information

Vendor / Supplier Intel
Short name i9 11900kf
Release date 2021-03-16
CPU code name Rocket Lake
Fabrication process 14nm (nanometer)
Instruction set architecture x86-64
Market Desktop
Integrated Graphics (iGPU)

CPU core specifications

Total number of cores 8 cores
Total number of threads 16 threads
Number of performance cores 8 cores
Number of performance core threads 16 threads
Performance core base frequency / main frequency 3.5GHz
Performance core maximum turbo frequency 5.3GHz
Number of energy efficiency cores
Number of energy-efficient core threads
Energy efficiency core basic frequency / main frequency
Energy efficiency core maximum turbo frequency

CPU cache and frequency

Bus frequency 100MHz
L1 Cache 64 KB
L2 Cache 512 KB
L3 Cache 16 MB
Unlock multiplier Yes

Memory specifications

Maximum supported memory 128GB
Memory frequency support
  • - DDR4-3200MHz
Maximum number of memory channels 2
Maximum memory bandwidth 50GB/s
ECC support No

Package specifications

CPU Socket LGA-1200
Default thermal design power / TDP PL1 125W
Maximum Turbo Power Consumption / TDP PL2
Maximum temperature 100°C
PCIe interface PCIe 4.0
PCIe lane count 20

Integrated Graphics specifications

Integrated Graphics (iGPU)
Base frequency
Maximum acceleration frequency
Number of execution units
Stream Processors / Shading Units
Texture Units / TMUs
Raster Operations Units / ROPs
Total Graphics Power / TGP
FP32 computing performance

Cinebench R23 performance test

Single core performance score
Multi-core performance score

PassMark performance test

Single core performance score
Multi-core performance score
Integer math 90 GOps/sec
Floating point math 53 GOps/sec
Find prime numbers 68 Million Primes/sec (Millions find prime numbers per second)
Random string sorting 37.7 Million Strings/sec (Millions random string sorting per second)
Data encryption 16.1 GBytes/sec (Gigabits per second)
Data compression 331.7 MBytes/sec (megabits per second)
Physics simulation 1049 Frames/sec (FPS)
Extended instruction test 23.2 Billion Matrices/sec (Billions matrix operations per second)

GeekBench v6 performance test

Single core performance
Multi-core performance
File compression 741.6 MB/sec (megabits per second)
clang compilation 92.6 Klines/sec (thousands lines per second)
HTML5 browsing 188.6 pages/sec (pages per second)
PDF rendering 316.8 Mpixels/sec (megapixels per second)
Text processing 242.6 pages/sec (pages per second)
Background blur 51.7 images/sec (images per second)
Photo processing 73.4 images/sec (images per second)
Ray tracing 21 Mpixels/sec (megapixels per second)