Background
Background
Background
Background
Background

Core i9-12900K vs Core i3-8121U

Core i9-12900K vs Core i3-8121U: game performance, price, value, and specification comparison. Select comparison game parameters.

FPS Winner

Intel 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 $329.99 on Amazon

In Stock

Updated 177 minutes ago

vs
FPS Winner

Intel 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 $329.99 on Amazon

In Stock

Updated 177 minutes ago

vs

Key Differences

In short — Core i9-12900K outperforms Core i3-8121U on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Core i9-12900K is 1279 days newer than Core i3-8121U.

Advantages of Intel Core i9-12900K

  • Performs up to 165% better in League of Legends than Core i3-8121U - 339 vs 128 FPS
  • Can execute more multi-threaded tasks simultaneously than Intel Core i3-8121U - 24 vs 4 threads
  • Works without a dedicated GPU, while Intel Core i3-8121U doesn't have integrated graphics

Advantages of Intel Core i3-8121U

  • Consumes up to 88% less energy than Intel Core i9-12900K - 15 vs 125 Watts
This is a free version of League of Legends.
League of Legends

League of Legends

Resolution

1920 x 1080

Game Graphics

Very High

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

Desktop • Nov 4th, 2021


FPS

339

100%

Value, $/FPS

$0.97/FPS

100%

Price, $

$329.99

100%

FPS and Value 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 $329.99 on Amazon

In Stock

Updated 177 minutes ago

Intel Core i3-8121U Logo
Core i3-8121U

Mobile • May 5th, 2018


FPS

128

37%

Value, $/FPS

Price, $

TOP 5 Games

Resolution

1920 x 1080

Game Graphics

Very High

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

Desktop • Nov 4th, 2021

Intel Core i3-8121U Logo
Core i3-8121U

Mobile • May 5th, 2018

Geekbench 5 Benchmarks

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

Desktop • Nov 4th, 2021


Single-Core

2620

100%

Multi-Core

15445

100%

Intel Core i3-8121U Logo
Core i3-8121U

Mobile • May 5th, 2018


Single-Core

1133

43%

Multi-Core

2344

15%

Intel Core i9-12900K Logo

Intel Core i9-12900K

vs
Intel Core i3-8121U Logo

Intel Core i3-8121U

Nov 4th, 2021
Release DateMay 5th, 2018
Core i9CollectionCore i3
Alder LakeCodenameCannon Lake
Intel Socket 1700SocketIntel BGA 1440
Desktop
Segment
Mobile
16
Cores2
24
Threads4
3.2 GHz
Base Clock Speed2.2 GHz
5.2 GHz
Turbo Clock Speed3.2 GHz
125 WTDP
15 W
10 nmProcess Size10 nm
32.0x
Multiplier22.0x
UHD Graphics 770
Integrated GraphicsNone
Yes
OverclockableNo

Builds Using Core i9-12900K or Core i3-8121U

League of Legends, 1920 x 1080, Very High

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 © 2024 HowManyFPS. All rights reserved.

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

Cookies Policy

As an Amazon Associate HowManyFPS earns from qualifying purchases.