AMD FX-8300 vs Intel Core i9-11900KF

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CPU comparison with benchmarks


AMD FX-8300 CPU1 vs CPU2 Intel Core i9-11900KF
AMD FX-8300 Intel Core i9-11900KF

CPU comparison

In this CPU comparison, we compare the AMD FX-8300 and the Intel Core i9-11900KF and use benchmarks to check which processor is faster.

We compare the AMD FX-8300 8 core processor released in Q2/2013 with the Intel Core i9-11900KF which has 8 CPU cores and was introduced in Q1/2021.
AMD FX (30) Family Intel Core i9 (78)
AMD FX-8000 (11) CPU group Intel Core i 11000 (22)
2 Generation 11
Vishera (Bulldozer) Architecture Rocket Lake S
Desktop / Server Segment Desktop / Server
-- Predecessor Intel Core i9-10900KF
-- Successor Intel Core i9-12900KF

CPU Cores and Base Frequency

The AMD FX-8300 is a 8 core processor with a clock frequency of 3.30 GHz (4.20 GHz). The processor can compute 8 threads at the same time. The Intel Core i9-11900KF clocks with 3.50 GHz (5.30 GHz), has 8 CPU cores and can calculate 16 threads in parallel.

AMD FX-8300 Characteristic Intel Core i9-11900KF
8 Cores 8
8 Threads 16
normal Core architecture normal
No Hyperthreading Yes
Yes Overclocking ? Yes
3.30 GHz Frequency 3.50 GHz
4.20 GHz Turbo Frequency (1 Core) 5.30 GHz
4.00 GHz Turbo Frequency (All Cores) 4.80 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.

AMD FX-8300 Characteristic Intel Core i9-11900KF
-- AI hardware --
-- AI specifications --

Internal Graphics

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.

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

Up to GB of memory in a maximum of 2 memory channels is supported by the AMD FX-8300, while the Intel Core i9-11900KF supports a maximum of 128 GB of memory with a maximum memory bandwidth of 51.2 GB/s enabled.

AMD FX-8300 Characteristic Intel Core i9-11900KF
DDR3-1866 Memory DDR4-3200
Max. Memory 128 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
29.9 GB/s Max. Bandwidth 51.2 GB/s
Yes ECC No
-- L2 Cache 4.00 MB
8.00 MB L3 Cache 16.00 MB
-- PCIe version 4.0
-- PCIe lanes 20
-- PCIe Bandwidth 39.4 GB/s

Thermal Management

The AMD FX-8300 has a TDP of 95 W. The TDP of the Intel Core i9-11900KF is 125 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

AMD FX-8300 Characteristic Intel Core i9-11900KF
95 W TDP (PL1 / PBP) 125 W
-- TDP (PL2) 251 W @ 56 s
-- TDP up --
-- TDP down 95 W
-- Tjunction max. 100 °C

Technical details

The AMD FX-8300 has 8.00 MB cache and is manufactured in 32 nm. The cache of Intel Core i9-11900KF is at 20.00 MB. The processor is manufactured in 14 nm.

AMD FX-8300 Characteristic Intel Core i9-11900KF
32 nm Technology 14 nm
Unknown Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX, FMA3, FMA4 ISA extensions SSE4.1, SSE4.2, AVX2, AVX-512
AM3+ Socket LGA 1200
AMD-V Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Windows 11, Linux
Q2/2013 Release date Q1/2021
-- Release price 513 $
show more data show more data


Rate these processors

Here you can rate the AMD FX-8300 to help other visitors make their purchasing decisions. The average rating is 3.0 stars (2 ratings). Rate now:
Here you can rate the Intel Core i9-11900KF to help other visitors make their purchasing decisions. The average rating is 4.0 stars (10 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 3 CPU benchmarks
AMD FX-8300 (31%)
Intel Core i9-11900KF (100%)
⌀ Multi core performance in 5 CPU benchmarks
AMD FX-8300 (24%)
Intel Core i9-11900KF (100%)

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.
AMD FX-8300 AMD FX-8300
8C 8T @ 4.20 GHz
517 (28%)
Intel Core i9-11900KF Intel Core i9-11900KF
8C 16T @ 5.30 GHz
1878 (100%)

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.
AMD FX-8300 AMD FX-8300
8C 8T @ 4.00 GHz
2311 (20%)
Intel Core i9-11900KF Intel Core i9-11900KF
8C 16T @ 4.80 GHz
11645 (100%)

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.
AMD FX-8300 AMD FX-8300
8C 8T @ 4.20 GHz
180 (28%)
Intel Core i9-11900KF Intel Core i9-11900KF
8C 16T @ 5.30 GHz
650 (100%)

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.
AMD FX-8300 AMD FX-8300
8C 8T @ 4.00 GHz
1088 (18%)
Intel Core i9-11900KF Intel Core i9-11900KF
8C 16T @ 4.80 GHz
6187 (100%)

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.
AMD FX-8300 AMD FX-8300
8C 8T @ 4.00 GHz
8844 (35%)
Intel Core i9-11900KF Intel Core i9-11900KF
8C 16T @ 4.80 GHz
25385 (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.
AMD FX-8300 AMD FX-8300
8C 8T @ 3.30 GHz
1289 (20%)
Intel Core i9-11900KF Intel Core i9-11900KF
8C 16T @ 3.50 GHz
6455 (100%)

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.
AMD FX-8300 AMD FX-8300
8C 8T @ 4.20 GHz
96 (37%)
Intel Core i9-11900KF Intel Core i9-11900KF
8C 16T @ 5.30 GHz
262 (100%)

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.
AMD FX-8300 AMD FX-8300
8C 8T @ 4.00 GHz
649 (26%)
Intel Core i9-11900KF Intel Core i9-11900KF
8C 16T @ 4.80 GHz
2515 (100%)

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.
AMD FX-8300 AMD FX-8300
8C 8T @ 4.20 GHz
0 (0%)
Intel Core i9-11900KF Intel Core i9-11900KF
8C 16T @ 5.30 GHz
1686 (100%)

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.
AMD FX-8300 AMD FX-8300
8C 8T @ 4.00 GHz
0 (0%)
Intel Core i9-11900KF Intel Core i9-11900KF
8C 16T @ 4.80 GHz
16211 (100%)

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.
AMD FX-8300 AMD FX-8300
8C 8T @ 4.20 GHz
0 (0%)
Intel Core i9-11900KF Intel Core i9-11900KF
8C 16T @ 5.30 GHz
2349 (100%)

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.
AMD FX-8300 AMD FX-8300
8C 8T @ 4.00 GHz
0 (0%)
Intel Core i9-11900KF Intel Core i9-11900KF
8C 16T @ 4.80 GHz
11167 (100%)

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.
AMD FX-8300 AMD FX-8300
8C 8T @ 4.00 GHz
0 (0%)
Intel Core i9-11900KF Intel Core i9-11900KF
8C 16T @ 4.80 GHz
243 (100%)

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.
AMD FX-8300 AMD FX-8300
8C 8T @ 4.00 GHz
217 (100%)
Intel Core i9-11900KF Intel Core i9-11900KF
8C 16T @ 4.80 GHz
0 (0%)

Devices using this processor

AMD FX-8300 Intel Core i9-11900KF
Unknown Unknown

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