Intel Core i9 11900K specifications and performance

Intel Core i9 11900K is a 8 cores and 16 threads CPU processor produced by Intel. Intel Core i9 11900K 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 UHD Graphics 750.

Basic Information

Vendor / Supplier Intel
Short name i9 11900k
Release date 2021-03-16
CPU code name Rocket Lake
Fabrication process 14nm (nanometer)
Instruction set architecture x86-64
Market Desktop
Integrated Graphics (iGPU) UHD Graphics 750

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) Intel UHD Graphics 750
Base frequency 300MHz
Maximum acceleration frequency 1300MHz
Number of execution units 32
Stream Processors / Shading Units 256
Texture Units / TMUs 64
Raster Operations Units / ROPs 32
Total Graphics Power / TGP 15W
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 69 Million Primes/sec (Millions find prime numbers per second)
Random string sorting 38.2 Million Strings/sec (Millions random string sorting per second)
Data encryption 16.3 GBytes/sec (Gigabits per second)
Data compression 334.1 MBytes/sec (megabits per second)
Physics simulation 1062 Frames/sec (FPS)
Extended instruction test 23.7 Billion Matrices/sec (Billions matrix operations per second)

GeekBench v6 performance test

Single core performance
Multi-core performance
File compression 862.2 MB/sec (megabits per second)
clang compilation 89.5 Klines/sec (thousands lines per second)
HTML5 browsing 228.1 pages/sec (pages per second)
PDF rendering 331.5 Mpixels/sec (megapixels per second)
Text processing 241.7 pages/sec (pages per second)
Background blur 54.3 images/sec (images per second)
Photo processing 89.4 images/sec (images per second)
Ray tracing 20.7 Mpixels/sec (megapixels per second)