Intel Core i9-10900KF vs Intel Core i9-10900X

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CPU comparison with benchmarks


Intel Core i9-10900KF CPU1 vs CPU2 Intel Core i9-10900X
Intel Core i9-10900KF Intel Core i9-10900X

CPU comparison

Intel Core i9-10900KF or Intel Core i9-10900X - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The Intel Core i9-10900KF has 10 cores with 20 threads and clocks with a maximum frequency of 5.30 GHz. Up to 128 GB of memory is supported in 2 memory channels. The Intel Core i9-10900KF was released in Q2/2020.

The Intel Core i9-10900X has 10 cores with 20 threads and clocks with a maximum frequency of 4.70 GHz. The CPU supports up to 256 GB of memory in 4 memory channels. The Intel Core i9-10900X was released in Q4/2019.
Intel Core i9 (78) Family Intel Core i9 (78)
Intel Core i 10000 (43) CPU group Intel Core i 10000X (4)
10 Generation 10
Comet Lake S Architecture Cascade Lake
Desktop / Server Segment Desktop / Server
Intel Core i9-9900KF Predecessor Intel Core i9-9900X
Intel Core i9-11900KF Successor --

CPU Cores and Base Frequency

The Intel Core i9-10900KF is a 10 core processor with a clock frequency of 3.70 GHz (5.30 GHz). The Intel Core i9-10900X has 10 CPU cores with a clock frequency of 3.70 GHz (4.70 GHz).

Intel Core i9-10900KF Characteristic Intel Core i9-10900X
10 Cores 10
20 Threads 20
normal Core architecture normal
Yes Hyperthreading Yes
Yes Overclocking ? Yes
3.70 GHz Frequency 3.70 GHz
5.30 GHz Turbo Frequency (1 Core) 4.70 GHz
4.90 GHz Turbo Frequency (All Cores) 4.50 GHz

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

Intel Core i9-10900KF Characteristic Intel Core i9-10900X
-- AI hardware --
-- AI specifications --

Internal Graphics

The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.

no iGPU GPU no iGPU
GPU frequency --
-- GPU (Turbo) --
-- GPU Generation --
Technology
Max. displays
-- Compute units --
-- Shader --
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory --
-- DirectX Version --

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.

no iGPU GPU no iGPU
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
No Codec h264 No
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC No
No Codec VC-1 No
No Codec JPEG No

Memory & PCIe

The Intel Core i9-10900KF supports a maximum of 128 GB of memory in 2 memory channels. The Intel Core i9-10900X can connect up to 256 GB of memory in 4 memory channels.

Intel Core i9-10900KF Characteristic Intel Core i9-10900X
DDR4-2933 Memory DDR4-2933
128 GB Max. Memory 256 GB
2 (Dual Channel) Memory channels 4 (Quad Channel)
45.8 GB/s Max. Bandwidth 93.8 GB/s
No ECC No
-- L2 Cache --
20.00 MB L3 Cache 19.25 MB
3.0 PCIe version 3.0
16 PCIe lanes 48
15.8 GB/s PCIe Bandwidth 47.3 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core i9-10900KF has a TDP of 125 W, that of the Intel Core i9-10900X is 165 W.

Intel Core i9-10900KF Characteristic Intel Core i9-10900X
125 W TDP (PL1 / PBP) 165 W
-- TDP (PL2) --
-- TDP up --
95 W TDP down --
100 °C Tjunction max. 94 °C

Technical details

The Intel Core i9-10900KF has a 20.00 MB cache, while the Intel Core i9-10900X cache has a total of 19.25 MB.

Intel Core i9-10900KF Characteristic Intel Core i9-10900X
14 nm Technology 14 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2, AVX2, AVX-512
LGA 1200 Socket LGA 2066
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Windows 11, Linux Operating systems Windows 10, Windows 11, Linux
Q2/2020 Release date Q4/2019
472 $ Release price 590 $
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 4 CPU benchmarks
⌀ Multi core performance in 7 CPU benchmarks

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i9-10900KF Intel Core i9-10900KF
10C 20T @ 5.30 GHz
1382 (100%)
Intel Core i9-10900X Intel Core i9-10900X
10C 20T @ 4.70 GHz
1143 (83%)

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i9-10900KF Intel Core i9-10900KF
10C 20T @ 4.90 GHz
15945 (100%)
Intel Core i9-10900X Intel Core i9-10900X
10C 20T @ 4.50 GHz
14301 (90%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i9-10900KF Intel Core i9-10900KF
10C 20T @ 5.30 GHz
1417 (100%)
Intel Core i9-10900X Intel Core i9-10900X
10C 20T @ 4.70 GHz
1171 (83%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i9-10900KF Intel Core i9-10900KF
10C 20T @ 4.90 GHz
11344 (100%)
Intel Core i9-10900X Intel Core i9-10900X
10C 20T @ 4.50 GHz
10651 (94%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
Intel Core i9-10900KF Intel Core i9-10900KF
10C 20T @ 5.30 GHz
1864 (100%)
Intel Core i9-10900X Intel Core i9-10900X
10C 20T @ 4.70 GHz
1445 (78%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
Intel Core i9-10900KF Intel Core i9-10900KF
10C 20T @ 4.90 GHz
10634 (100%)
Intel Core i9-10900X Intel Core i9-10900X
10C 20T @ 4.50 GHz
8727 (82%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
Intel Core i9-10900KF Intel Core i9-10900KF
10C 20T @ 4.90 GHz
22978 (100%)
Intel Core i9-10900X Intel Core i9-10900X
10C 20T @ 4.50 GHz
22510 (98%)

Blender 2.81 (bmw27)

Blender is a free 3D graphics software for rendering (creating) 3D bodies, which can also be textured and animated in the software. The Blender benchmark creates predefined scenes and measures the time (s) required for the entire scene. The shorter the time required, the better. We selected bmw27 as the benchmark scene.
Intel Core i9-10900KF Intel Core i9-10900KF
10C 20T @ 4.90 GHz
126 (93%)
Intel Core i9-10900X Intel Core i9-10900X
10C 20T @ 4.50 GHz
135.4 (100%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Intel Core i9-10900KF Intel Core i9-10900KF
10C 20T @ 3.70 GHz
7381 (100%)
Intel Core i9-10900X Intel Core i9-10900X
10C 20T @ 3.70 GHz
5948 (81%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i9-10900KF Intel Core i9-10900KF
10C 20T @ 5.30 GHz
232 (100%)
Intel Core i9-10900X Intel Core i9-10900X
10C 20T @ 4.70 GHz
198 (85%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i9-10900KF Intel Core i9-10900KF
10C 20T @ 4.90 GHz
2668 (100%)
Intel Core i9-10900X Intel Core i9-10900X
10C 20T @ 4.50 GHz
2358 (88%)

Cinebench 2024 (Single-Core)

The Cinebench 2024 benchmark is based on the Redshift rendering engine, which is also used in Maxon's 3D program Cinema 4D. The benchmark runs are each 10 minutes long to test whether the processor is limited by its heat generation.
Intel Core i9-10900KF Intel Core i9-10900KF
10C 20T @ 5.30 GHz
80 (100%)
Intel Core i9-10900X Intel Core i9-10900X
10C 20T @ 4.70 GHz
0 (0%)

Cinebench 2024 (Multi-Core)

The Multi-Core test of the Cinebench 2024 benchmark uses all cpu cores to render using the Redshift rendering engine, which is also used in Maxons Cinema 4D. The benchmark run is 10 minutes long to test whether the processor is limited by its heat generation.
Intel Core i9-10900KF Intel Core i9-10900KF
10C 20T @ 5.30 GHz
936 (100%)
Intel Core i9-10900X Intel Core i9-10900X
10C 20T @ 4.70 GHz
0 (0%)

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i9-10900KF Intel Core i9-10900KF
10C 20T @ 5.30 GHz
645 (100%)
Intel Core i9-10900X Intel Core i9-10900X
10C 20T @ 4.70 GHz
0 (0%)

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i9-10900KF Intel Core i9-10900KF
10C 20T @ 4.90 GHz
6419 (100%)
Intel Core i9-10900X Intel Core i9-10900X
10C 20T @ 4.50 GHz
0 (0%)

Blender 3.1 Benchmark

In the Blender Benchmark 3.1, the scenes "monster", "junkshop" and "classroom" are rendered and the time required by the system is measured. In our benchmark we test the CPU and not the graphics card. Blender 3.1 was presented as a standalone version in March 2022.
Intel Core i9-10900KF Intel Core i9-10900KF
10C 20T @ 4.90 GHz
240 (100%)
Intel Core i9-10900X Intel Core i9-10900X
10C 20T @ 4.50 GHz
0 (0%)

CPU-Z Benchmark 17 (Single-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Intel Core i9-10900KF Intel Core i9-10900KF
10C 20T @ 4.90 GHz
587 (100%)
Intel Core i9-10900X Intel Core i9-10900X
10C 20T @ 4.50 GHz
0 (0%)

Devices using this processor

Intel Core i9-10900KF Intel Core i9-10900X
Unknown Unknown

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