Intel Core i9 11900KF

Cores: 8
L3 cache: 16MB (shared)
TDP: 125 W
Transistor size: 14 nm

Core i9 11900KF - desktop processor produced by Intel for socket LGA-1200 that has 8 cores and 16 threads. The base clock frequency of the CPU is 3500 MHz, but due to Turbo Boost technology, it can perform up to 5300 MHz. The size of the L3 cache is 16 MB. Please note that this chip doesn’t have integrated graphics.

Review

Single-Core Performance

68

Multi-Core Performance

38

Power Efficiency

41

Integrated Graphics

n/a

NanoReview Final Score

54

Compare Intel Core i9 11900KF with other CPUs

Cinebench

Reputable cross-platform benchmark for high-performance processors

Cinebench 2024 (Single)

97

Cinebench 2024 (Multi)

867

Cinebench Scores - 189th place

Submit your benchmark results

GeekBench v6

The new version of this benchmark emulates common operations often used in real-world apps

Geekbench 6 (Single-Core)

2535

Geekbench 6 (Multi-Core)

10369

File compression	741.6 MB/sec
Clang compilation	92.6 Klines/sec
HTML 5 Browser	188.6 pages/sec
PDF Renderer	316.8 Mpixels/sec
Text processing	242.6 pages/sec
Background blur	51.7 images/sec
Photo processing	73.4 images/sec
Ray tracing	21 Mpixels/sec

Sources: GeekBench [1] – 869 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions

Passmark CPU (Single-Core)

3516

Passmark CPU (Multi-Core)

24514

Integer math	88.5 GOps/sec
Floating point math	52.4 GOps/sec
Find prime numbers	66M Primes/sec
Random string sorting	37.3M Strings/sec
Data encryption	15.4 GBytes/sec
Data compression	322.9 MBytes/sec
Physics	1024 Frames/sec
Extended instructions	22.6B Matrices/sec

Sources: PassMark [3] – 1848 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)

Blender CPU

213.97

Performance Per Watt

Shows the score you get per each watt of PL1 TDP

Cinebench 2024 / Watt	6.9 PPW
Geekbench 6 Multi / Watt	83 PPW
Passmark CPU Mark / Watt	196.1 PPW
Blender / Watt	1.71 PPW

These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.

General

Vendor	Intel
Released	March 16, 2021
Type	Desktop
Instruction Set	x86-64
Codename	Rocket Lake
Model number	i9-11900KF
Integrated GPU	No
Successor	- Intel Core i9 14900KF

Intel CPU rating - 126th place

CPU

Performance Cores
P-Cores	8
P-Threads	16
Base Frequency (P)	3.5 GHz
Turbo Boost Frequency (P)	5.3 GHz

Total
Total Cores	8
Total Threads	16
Bus Frequency	100 MHz
Multiplier	35x
Bus Bandwidth	8 GT/s
L1 Cache	64K (per core)
L2 Cache	512K (per core)
L3 Cache	16MB (shared)
Unlocked Multiplier	Yes

Package

Fabrication Process	14 nm
TDP (PL1)	125 W
Socket	LGA-1200
Peak Temperature	100°C

Desktop CPU ranking - 94th place

Memory Support

Memory Types	- DDR4-3200
Max. Memory Size	128 GB
Memory Channels	2
Max. Memory Bandwidth	50 GB/s
ECC Support	No

Misc

Official Site	Intel Core i9 11900KF official page
PCI Express Version	4.0
PCI Express Lanes	20
Technologies	- Compute: ABM, ADX, AVX-512, BMI1, BMI2, CLMUL, F16C, SHA - Performance: EIST, TBT 2.0, TBT 3.0, TSX, TVB - Virtualization: VT-d, VT-x - Security: RDRAND, TXT, XD bit