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Core i3-8100 vs Core i9-12900K

Core i3-8100 vs Core i9-12900K: game performance, price, value, and specification comparison. Select comparison game parameters.

Core i3-8100

3.6 GHz | 4-core

Intel Core i3-8100 Logo
Intel Core i3-8100 Desktop Processor 4 Cores up to 3.6 GHz Turbo Unlocked LGA1151 300 Series 95W

Buy for $105.54 on Amazon

In Stock

Updated 78 minutes ago

vs
FPS Winner

Core i9-12900K

3.2 GHz | 16-core

Intel Core i9-12900K Logo
Intel Core i9-12900K Gaming Desktop Processor with Integrated Graphics and 16 (8P+8E) Cores up to 5.2 GHz Unlocked LGA1700 600 Series Chipset 125W

Buy for $266.71 on Amazon

In Stock

Updated 82 minutes ago

Core i3-8100

3.6 GHz | 4-core

Intel Core i3-8100 Logo
Intel Core i3-8100 Desktop Processor 4 Cores up to 3.6 GHz Turbo Unlocked LGA1151 300 Series 95W

Buy for $105.54 on Amazon

In Stock

Updated 78 minutes ago

vs
FPS Winner

Core i9-12900K

3.2 GHz | 16-core

Intel Core i9-12900K Logo
Intel Core i9-12900K Gaming Desktop Processor with Integrated Graphics and 16 (8P+8E) Cores up to 5.2 GHz Unlocked LGA1700 600 Series Chipset 125W

Buy for $266.71 on Amazon

In Stock

Updated 82 minutes ago

Key Differences

In short — Core i9-12900K outperforms the cheaper Core i3-8100 on the selected game parameters. However, the worse performing Core i3-8100 is a better bang for your buck. The better performing Core i9-12900K is 1491 days newer than the cheaper Core i3-8100.

Advantages of Core i3-8100

  • Up to 60% cheaper than Core i9-12900K - $105.54 vs $266.71
  • Up to 46% better value when playing Tom Clancy's Rainbow Six Siege than Core i9-12900K - $0.20 vs $0.37 per FPS
  • Consumes up to 48% less energy than Intel Core i9-12900K - 65 vs 125 Watts

Advantages of Core i9-12900K

  • Performs up to 33% better in Tom Clancy's Rainbow Six Siege than Core i3-8100 - 717 vs 538 FPS
  • Can execute more multi-threaded tasks simultaneously than Intel Core i3-8100 - 24 vs 4 threads
Calculator background
This is a free version of Tom Clancy's Rainbow Six Siege.
Tom Clancy's Rainbow Six Siege

Tom Clancy's Rainbow Six Siege

Resolution

1920 x 1080

Game Graphics

Ultra

Intel Core i3-8100 Logo
Core i3-8100

Desktop • Oct 5th, 2017


FPS

538

75%

Value, $/FPS

$0.2/FPS

100%

Price, $

$105.54

100%

Value Winner

Intel Core i3-8100 Desktop Processor 4 Cores up to 3.6 GHz Turbo Unlocked LGA1151 300 Series 95W

Buy for $105.54 on Amazon

In Stock

Updated 78 minutes ago

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

Desktop • Nov 4th, 2021


FPS

717

100%

Value, $/FPS

$0.37/FPS

54%

Price, $

$266.71

39%

FPS Winner

Intel Core i9-12900K Gaming Desktop Processor with Integrated Graphics and 16 (8P+8E) Cores up to 5.2 GHz Unlocked LGA1700 600 Series Chipset 125W

Buy for $266.71 on Amazon

In Stock

Updated 82 minutes ago

My Games

With selected game settings

Resolution

1920 x 1080

Game Graphics

Ultra

Intel Core i3-8100 Logo
Core i3-8100

Desktop • Oct 5th, 2017

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

Desktop • Nov 4th, 2021

Geekbench 5 Benchmarks

Intel Core i3-8100 Logo
Core i3-8100

Desktop • Oct 5th, 2017


Single-Core

1245

48%

Multi-Core

3405

22%

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

Desktop • Nov 4th, 2021


Single-Core

2620

100%

Multi-Core

15445

100%

Intel Core i3-8100 Logo

Core i3-8100

vs
Intel Core i9-12900K Logo

Core i9-12900K

Oct 5th, 2017
Nov 4th, 2021
Core i3Core i9
Coffee LakeAlder Lake
Intel Socket 1151Intel Socket 1700
Desktop
Desktop
4
16
4
24
3.6 GHz
3.2 GHz
Non-Turbo5.2 GHz
65 W
125 W
14 nm
10 nm
36.0x
32.0x
UHD Graphics 630UHD Graphics 770
No
Yes

PCs Using Core i3-8100 or Core i9-12900K

With selected game settings

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