Background
Background
Background
Background
Background

FX-8120 vs Core i9-12900K

FX-8120 vs Core i9-12900K: game performance, price, value, and specification comparison. Select comparison game parameters.

Availability

No items available

Availability

MSRP $599

No items available

Key Differences

In short — Core i9-12900K outperforms FX-8120 on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Core i9-12900K is 3676 days newer than FX-8120.

Advantages of Core i9-12900K

  • Performs up to 44% better in Microsoft Flight Simulator 2020 than FX-8120 - 130 vs 90 FPS
  • Can execute more multi-threaded tasks simultaneously than AMD FX-8120 - 24 vs 8 threads
  • Works without a dedicated GPU, while AMD FX-8120 doesn't have integrated graphics
Calculator background
This is a free version of Microsoft Flight Simulator 2020.
Microsoft Flight Simulator 2020

Microsoft Flight Simulator 2020

Resolution

1920 x 1080

Game Graphics

Ultra

AMD FX-8120 Logo
FX-8120

Desktop • Oct 12th, 2011


FPS

90

69%

Value, CA$/FPS

Price, CA$

Intel Core i9-12900K Logo
Core i9-12900K

Desktop • Nov 4th, 2021


FPS

130

100%

Value, CA$/FPS

Price, CA$

FPS Winner

Trending Games

With selected game settings

Resolution

1920 x 1080

Game Graphics

Ultra

AMD FX-8120 Logo
FX-8120

Desktop • Oct 12th, 2011

Intel Core i9-12900K Logo
Core i9-12900K

Desktop • Nov 4th, 2021

Geekbench 5 Benchmarks

AMD FX-8120 Logo
FX-8120

Desktop • Oct 12th, 2011


Single-Core

426

16%

Multi-Core

1568

10%

Intel Core i9-12900K Logo
Core i9-12900K

Desktop • Nov 4th, 2021


Single-Core

2620

100%

Multi-Core

15445

100%

AMD FX-8120 Logo

FX-8120

vs
Intel Core i9-12900K Logo

Core i9-12900K

Oct 12th, 2011Release Date
Nov 4th, 2021
FXCollectionCore i9
ZambeziCodenameAlder Lake
AMD Socket AM3+SocketIntel Socket 1700
Desktop
Segment
Desktop
8Cores
16
8Threads
24
3.1 GHzBase Clock Speed
3.2 GHz
3.4 GHzTurbo Clock Speed
5.2 GHz
125 WTDP125 W
32 nmProcess Size
10 nm
15.5xMultiplier
32.0x
NoneIntegrated Graphics
UHD Graphics 770
YesOverclockableYes

PCs Using FX-8120 or Core i9-12900K

With selected game settings

Similar CPU Comparisons

Select from the most popular similar processor comparisons. Most compared processor combinations, including the currently selected ones, are at the top.

Copyright © 2025 HowManyFPS. All rights reserved.

Have a suggestion or a business inquiry? [email protected]

Cookies Policy

As an Amazon Associate HowManyFPS earns from qualifying purchases.