Intel Core i9 12900KF specifications and performance

Intel Core i9 12900KF is a 16 cores and 24 threads CPU processor produced by Intel. Intel Core i9 12900KF was released on 2021-10-27, the fabrication process is 10nm (nanometer), the CPU codename is Alder Lake, the instruction set architecture is x86-64, and the CPU's integrated graphics (iGPU) is -.

Basic Information

Vendor / Supplier Intel
Short name i9 12900kf
Release date 2021-10-27
CPU code name Alder Lake
Fabrication process 10nm (nanometer)
Instruction set architecture x86-64
Market Desktop
Integrated Graphics (iGPU)

CPU core specifications

Total number of cores 16 cores
Total number of threads 24 threads
Number of performance cores 8 cores
Number of performance core threads 16 threads
Performance core base frequency / main frequency 3.2GHz
Performance core maximum turbo frequency 5.1GHz
Number of energy efficiency cores 8 cores
Number of energy-efficient core threads 8 threads
Energy efficiency core basic frequency / main frequency 2.4GHz
Energy efficiency core maximum turbo frequency 3.9GHz

CPU cache and frequency

Bus frequency 100MHz
L1 Cache 64 KB
L2 Cache 14 MB
L3 Cache 30 MB
Unlock multiplier Yes

Memory specifications

Maximum supported memory 128GB
Memory frequency support
  • - DDR5-4800MHz
  • - DDR4-3200MHz
Maximum number of memory channels 2
Maximum memory bandwidth 76.8GB/s
ECC support Yes

Package specifications

CPU Socket LGA-1700
Default thermal design power / TDP PL1 125W
Maximum Turbo Power Consumption / TDP PL2 241W
Maximum temperature 100°C
PCIe interface PCIe 5.0
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 139 GOps/sec
Floating point math 106 GOps/sec
Find prime numbers 144 Million Primes/sec (Millions find prime numbers per second)
Random string sorting 57.4 Million Strings/sec (Millions random string sorting per second)
Data encryption 29.6 GBytes/sec (Gigabits per second)
Data compression 539.4 MBytes/sec (megabits per second)
Physics simulation 2113 Frames/sec (FPS)
Extended instruction test 33.8 Billion Matrices/sec (Billions matrix operations per second)

GeekBench v6 performance test

Single core performance
Multi-core performance
File compression 1150 MB/sec (megabits per second)
clang compilation 141 Klines/sec (thousands lines per second)
HTML5 browsing 363.2 pages/sec (pages per second)
PDF rendering 475.6 Mpixels/sec (megapixels per second)
Text processing 274.8 pages/sec (pages per second)
Background blur 66.8 images/sec (images per second)
Photo processing 138.5 images/sec (images per second)
Ray tracing 33.9 Mpixels/sec (megapixels per second)