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FPS Winner
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The Core i9-11900K is a clear winner – it's at least 2x faster gaming CPU than the FX-8120 and it's also a slightly better value for money, as it's only $316.98 more expensive!

Advantages of the Core i9-11900K

  • At least 2x faster CPU for gaming
  • A slightly better value for money for gaming
  • Can execute more multi-threaded tasks simultaneously – 16 vs 8 threads

Advantages of the FX-8120

  • Up to 80% cheaper$78.02 vs $395.00

Core i9-11900K vs FX-8120 for Gaming

The CPU's performance in selected game and settings

Core i9-11900K vs FX-8120 in My Games

The FPS you'll get in saved games, click on a game to change it

The FPS you'll get in saved games, click on a game to change it

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Synthetic Benchmarks

The Core i9-11900K vs FX-8120 in synthetic CPU benchmarks

Intel Core i9-11900K Logo

Core i9-11900K

Mar 16th, 2021


Geekbench 6 Single-Core

2388

100%

Geekbench 6 Multi-Core

10919

100%

AMD FX-8120 Logo

FX-8120

Oct 12th, 2011


Geekbench 6 Single-Core

412

17%

Geekbench 6 Multi-Core

1528

14%

Performance Specifications

The Core i9-11900K vs FX-8120 in core CPU performance specifications

Intel Core i9-11900K Logo

Core i9-11900K

Mar 16th, 2021


Cores

8-core

100%

L3 Cache

16 MB

100%


Base Frequency

3.5 GHz

100%

Turbo Frequency

5.3 GHz

100%

Max. DDR4 RAM Speed

3200 MHz

100%

AMD FX-8120 Logo

FX-8120

Oct 12th, 2011


Cores

8-core

100%

L3 Cache

8 MB

50%


Base Frequency

3.1 GHz

89%

Turbo Frequency

3.4 GHz

64%

Max. DDR3 RAM Speed

MHz

Specifications

Comparison of all specifications

Intel Core i9-11900K Logo

Core i9-11900K

Specifications

Comparison of all specifications

AMD FX-8120 Logo

FX-8120

Prebuilt Gaming PCs

Our users choose these PCs when going for the Core i9-11900K or FX-8120

Our users choose these PCs when going for the Core i9-11900K or FX-8120

Core i9-11900K and FX-8120 vs Other CPUs

The most compared CPUs against the Core i9-11900K and FX-8120

The most compared CPUs against the Core i9-11900K and FX-8120

CPUs Compared for Gaming

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