Intel Core i9 12900KS vs i9 12900KF

We compared two 16-core desktop CPUs: the 3.4 GHz Intel Core i9 12900KS against the 3.2 GHz i9 12900KF. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.


General overview and comparison of the processors
Single-Core Performance
Performance in single-threaded apps and benchmarks
Multi-Core Performance
Measure performance when all cores are involved
Power Efficiency
The efficiency score of power consumption
NanoReview Final Score
Generic CPU rating
The "iGPU" and "Power Efficiency" have a minor impact on the NanoReview Score when comparing desktop CPUs.

Key Differences

What are the key differences between 12900KF and 12900KS
Advantages of Intel Core i9 12900KS
  • Newer - released 5-months later
  • Includes an integrated GPU Intel UHD Graphics 770
  • 2% higher Turbo Boost frequency (5.2 GHz vs 5.1 GHz)

Test in Benchmarks

Comparing the performance of CPUs across various tasks

Cinebench R23

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

GeekBench v6

The new version of this benchmark emulates common operations often used in real-world apps
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
File compression 1390 MB/sec 1220 MB/sec
Clang compilation 150.5 Klines/sec 139.1 Klines/sec
HTML 5 Browser 466 pages/sec 392.2 pages/sec
PDF Renderer 499.2 Mpixels/sec 446.7 Mpixels/sec
Text processing 284.4 pages/sec 272 pages/sec
Background blur 51.9 images/sec 49.1 images/sec
Photo processing 147.9 images/sec 133 images/sec
Ray tracing 36.1 Mpixels/sec 33.3 Mpixels/sec
Sources: GeekBench [1], [2]


Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Integer math 148.3 GOps/sec 138.9 GOps/sec
Floating point math 112.5 GOps/sec 106.1 GOps/sec
Find prime numbers 163M Primes/sec 146M Primes/sec
Random string sorting 61.7M Strings/sec 57.7M Strings/sec
Data encryption 31.8 GBytes/sec 29.7 GBytes/sec
Data compression 571.6 MBytes/sec 539.6 MBytes/sec
Physics 2493 Frames/sec 2129 Frames/sec
Extended instructions 35.4B Matrices/sec 33.8B Matrices/sec
Sources: PassMark [3], [4]

Value for money

Enter the current prices of the CPUs and click "Calculate" to determine which one has a better value-to-performance ratio.


Full technical specification of Intel Core i9 12900KS and i9 12900KF


Vendor Intel Intel
Released April 4, 2022 October 27, 2021
Type Desktop Desktop
instruction set x86-64 x86-64
Codename Alder Lake Alder Lake
Model number i9-12900KS i9-12900KF
Integrated GPU UHD Graphics 770 No


Performance Cores
P-Cores 8 8
P-Threads 16 16
Base Frequency (P) 3.4 GHz 3.2 GHz
Turbo Boost Frequency (P) 5.2 GHz 5.1 GHz
Efficient Cores
E-Cores 8 8
E-Threads 8 8
Base Frequency (E) 2.5 GHz 2.4 GHz
Turbo Boost Frequency (E) 4 GHz 3.9 GHz
Total Cores 16 16
Total Threads 24 24
Bus Frequency 100 MHz 100 MHz
Multiplier 34x 32x
L1 Cache 64K (per core) 64K (per core)
L2 Cache 14MB (shared) 14MB (shared)
L3 Cache 30MB (shared) 30MB (shared)
Unlocked Multiplier Yes Yes


Fabrication process 10 nm 10 nm
TDP (PL1) 150 W 125 W
Max. Boost TDP (PL2) 241 W 241 W
Socket LGA-1700 LGA-1700
Peak temperature 100°C 100°C


Integrated Graphics Intel UHD Graphics 770 -
GPU Base Clock 300 MHz -
GPU Boost Clock 1550 MHz -
Shading Units 256 -
TMUs 16 -
ROPs 8 -
Execution Units 32 -
TGP 15 W -

Memory Support

Memory types - DDR5-4800
- DDR4-3200
- DDR5-4800
- DDR4-3200
Memory Size 128 GB 128 GB
Max. Memory Channels 2 2
Max. Memory Bandwidth 76.8 GB/s 76.8 GB/s
ECC Support Yes Yes


Official site Intel Core i9 12900KS official page Intel Core i9 12900KF official page
PCI Express Version 5.0 5.0
PCI Express Lanes 20 20

Cast your vote

Choose between two processors
49 (64.5%)
27 (35.5%)
Total votes: 76


So which CPU will you choose: Intel Core i9 12900KF or i9 12900KS?