Intel Core i9 12900KF

Intel Core i9 12900KF

$329
High-End Gaming3D RenderingHeavy Multitasking
79 Single-Core Performance
65 Multi-Core Performance
51 Power Efficiency
72 NanoReview Final Score
1959 Cinebench R23 (Single-Core)
27341 Cinebench R23 (Multi-Core)

Technical Specifications

Performance

Total Cores 16
L3 Cache 30MB (shared)
L2 Cache 14MB (shared)
L1 Cache 64K (per core)

Graphics

Integrated GPU No

Technical

Vendor Intel
Released October 27, 2021

Other Specifications

File compression 1150 MB/sec
Clang compilation 141 Klines/sec
HTML 5 Browser 363.2 pages/sec
PDF Renderer 475.6 Mpixels/sec
Text processing 274.8 pages/sec
Background blur 66.8 images/sec
Photo processing 138.5 images/sec
Ray tracing 33.9 Mpixels/sec
Integer math 138.9 GOps/sec
Floating point math 105.4 GOps/sec
Find prime numbers 141M Primes/sec
Random string sorting 57.1M Strings/sec
Data encryption 29.4 GBytes/sec
Data compression 536.2 MBytes/sec
Physics 2093 Frames/sec
Extended instructions 33.7B Matrices/sec
Geekbench 6 Multi / Watt 129.1 PPW
Passmark CPU Mark / Watt 326.9 PPW
Blender / Watt 2.92 PPW
Type Desktop
Instruction Set x86-64
Codename Alder Lake
Model number i9-12900KF
Rival Equivalent AMD Ryzen 9 5950X
P-Cores 8
P-Threads 16
Base Frequency (P) 3.2 GHz
Turbo Boost Frequency (P) 5.1 GHz
E-Cores 8
E-Threads 8
Base Frequency (E) 2.4 GHz
Turbo Boost Frequency (E) 3.9 GHz
Total Threads 24
Bus Frequency 100 MHz
Multiplier 32x
Unlocked Multiplier Yes
Fabrication Process 10 nm
TDP (PL1) 125 W
Max. Boost TDP (PL2) 241 W
Socket LGA-1700
Peak Temperature 100°C
Memory Types
  • - DDR5-4800
  • DDR4-3200
Max. Memory Size 128 GB
Memory Channels 2
Max. Memory Bandwidth 76.8 GB/s
ECC Support Yes
Official Site Intel Core i9 12900KF official page
PCI Express Version 5.0
PCI Express Lanes 20