Intel Core i9-11900K vs Intel Core i9-11900F

Last updated:

CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i9-11900K or Intel Core i9-11900K – which processor offers superior performance? In this comparison, we examine disparities and assess which of these two CPUs outperforms the other. We delve into technical specifications and benchmark outcomes.
The Intel Core i9-11900K features 8 processor cores and has the capability to manage 16 threads concurrently.
It was released in Q1/2021 and belongs to the 11 generation of the Intel Core i9 series.
To use the Intel Core i9-11900K, you'll need a motherboard with a LGA 1200 socket.
The Intel Core i9-11900F features 8 processor cores and has the capability to manage 16 threads concurrently.
To use the Intel Core i9-11900F, you'll need a motherboard with a LGA 1200 socket.
Desktop / Server Segment Desktop / Server
Intel Core i9-11900K Name Intel Core i9-11900F
Intel Core i9 Family Intel Core i9
11 Generation 11
Intel Core i 11000 Group Intel Core i 11000
 
 

CPU Cores and Base Frequency

The Intel Core i9-11900K has 8 CPU cores and can calculate 16 threads in parallel.
The clock frequency of the Intel Core i9-11900K is 3.5 GHz
and turbo frequency for one core is 5.3 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
The Intel Core i9-11900F has 8 CPU cores and can calculate 16 threads in parallel.
The clock frequency of the Intel Core i9-11900F is 2.5 GHz
and turbo frequency for one core is 5.2 GHz.
5.3 GHz Turbo Frequency (1 core) 5.2 GHz
Yes Overclocking No
normal Core architecture normal
3.5 GHz Frequency 2.5 GHz
16 Threads 16
4.8 GHz Turbo Frequency (all cores) 3.8 GHz
Yes Hyperthreading Yes
8 CPU Cores 8
8x Cypress Cove Cores 8x
 
 

Internal Graphics

The Intel Core i9-11900K has integrated graphics, called iGPU for short.
Specifically, the Intel Core i9-11900K uses the Intel UHD Graphics 750, which has 256 texture shaders
and 32 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The Intel Core i9-11900F does not have integrated graphics.
0.35 GHz GPU frequency --
Q1/2021 Release date --
12 Direct X --
Intel UHD Graphics 750 GPU name
14 nm Technology --
-- Max. displays --
256 Shaders --
64.0 GB Max. GPU Memory 0 bytes
32 Execution units --
12 Generation --
1.3 GHz GPU (Turbo) --
 
 

Artificial Intelligence and Machine Learning

-- AI specifications --
-- AI hardware --
 
 

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.
Decode / Encode AVC --
Decode VC-1 --
Decode / Encode VP9 --
Decode / Encode h265 / HEVC (10 bit) --
Decode / Encode h264 --
Decode VP8 --
Decode / Encode h265 / HEVC (8 bit) --
Decode / Encode JPEG --
Decode AV1 --
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 128.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 51.2 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
2 Memory channels 2
128.0 GB Max. Memory 128.0 GB
pci PCIe pci
Yes AES-NI Yes
No ECC No
51.2 GB/s Bandwidth 51.2 GB/s
DDR4-3200 Memory type DDR4-3200
 
 

Thermal Management

The processor has a thermal design power (TDP) of 125 W watts.
TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself.
The processor has a thermal design power (TDP) of 65 W watts.
100 °C Tjunction max 100 °C
125 W TDP (PL1 / PBP) 65 W
95 W TDP down None
 
 

Technical details

The Intel Core i9-11900K is manufactured using a 14 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 16.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Core i9-11900F is manufactured using a 14 nm process.
Q1/2021 Release date Q1/2021
-- Part Number --
4.0 MB L2-Cache 4.0 MB
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
SSE4.1, SSE4.2, AVX2, AVX-512 ISA extensions SSE4.1, SSE4.2, AVX2, AVX-512
Monolithic Chip design Monolithic
Rocket Lake S Architecture Rocket Lake S
14 nm Technology 14 nm
LGA 1200 Socket LGA 1200
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux, Windows 11
539 $ Release price 422 $
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
16.0 MB L3-Cache 16.0 MB
 
 

Benchmarks

Estimated results for PassMark CPU Mark

Intel Core i9-11900K
8C 16T @ 3.5 GHz
25385
25385
Intel Core i9-11900F
8C 16T @ 2.5 GHz
22830
22830

Geekbench 6 (Multi-Core)

Intel Core i9-11900K
8C 16T @ 3.5 GHz
12679
12679
Intel Core i9-11900F
8C 16T @ 2.5 GHz
10040
10040

Geekbench 5, 64bit (Multi-Core)

Intel Core i9-11900K
8C 16T @ 3.5 GHz
11645
11645
Intel Core i9-11900F
8C 16T @ 2.5 GHz
9674
9674

CPU-Z Benchmark 17 (Multi-Core)

Intel Core i9-11900K
8C 16T @ 3.5 GHz
6539
6539
Intel Core i9-11900F
8C 16T @ 2.5 GHz
6265
6265

Geekbench 6 (Single-Core)

Intel Core i9-11900K
8C 16T @ 3.5 GHz
2491
2491
Intel Core i9-11900F
8C 16T @ 2.5 GHz
2148
2148

Geekbench 5, 64bit (Single-Core)

Intel Core i9-11900K
8C 16T @ 3.5 GHz
1878
1878
Intel Core i9-11900F
8C 16T @ 2.5 GHz
1831
1831

Cinebench R23 (Single-Core)

Intel Core i9-11900K
8C 16T @ 3.5 GHz
1686
1686
Intel Core i9-11900F
8C 16T @ 2.5 GHz
1630
1630