Background
Background
Background
Background
Background

Core i9-11900KF vs Core i5-8400

Core i9-11900KF vs Core i5-8400: game performance, price, value, and specification comparison. Select comparison game parameters.

FPS Winner

Intel Core i9-11900KF

3.5 GHz | 8-core

Intel Core i9-11900KF Logo
Intel® Core™ i9-11900KF Desktop Processor 8 Cores up to 5.3 GHz Unlocked LGA1200 (Intel® 500 Series & Select 400 Series Chipset) 125W

Buy for $232 on Amazon

In Stock

Updated 8290 minutes ago

vs

Intel Core i5-8400

2.8 GHz | 6-core

Intel Core i5-8400 Logo
Intel Core i5-8400 Desktop Processor 6 Cores up to 4.0 GHz LGA 1151 300 Series 65W

Buy for $130.73 on Amazon

In Stock

Updated 8290 minutes ago

FPS Winner

Intel Core i9-11900KF

3.5 GHz | 8-core

Intel Core i9-11900KF Logo
Intel® Core™ i9-11900KF Desktop Processor 8 Cores up to 5.3 GHz Unlocked LGA1200 (Intel® 500 Series & Select 400 Series Chipset) 125W

Buy for $232 on Amazon

In Stock

Updated 8290 minutes ago

vs

Intel Core i5-8400

2.8 GHz | 6-core

Intel Core i5-8400 Logo
Intel Core i5-8400 Desktop Processor 6 Cores up to 4.0 GHz LGA 1151 300 Series 65W

Buy for $130.73 on Amazon

In Stock

Updated 8290 minutes ago

Key Differences

In short — Core i9-11900KF outperforms the cheaper Core i5-8400 on the selected game parameters. However, the worse performing Core i5-8400 is a better bang for your buck. The better performing Core i9-11900KF is 1258 days newer than the cheaper Core i5-8400.

Advantages of Intel Core i9-11900KF

  • Performs up to 6% better in Fortnite than Core i5-8400 - 238 vs 225 FPS
  • Can execute more multi-threaded tasks simultaneously than Intel Core i5-8400 - 16 vs 6 threads

Advantages of Intel Core i5-8400

  • Up to 44% cheaper than Core i9-11900KF - $130.73 vs $232.0
  • Up to 40% better value when playing Fortnite than Core i9-11900KF - $0.58 vs $0.97 per FPS
  • Consumes up to 48% less energy than Intel Core i9-11900KF - 65 vs 125 Watts
This is a free version of Fortnite.
Fortnite

Fortnite

Resolution

1920 x 1080

Game Graphics

Epic

Intel Core i9-11900KF Logo
Core i9-11900KF

Desktop • Mar 16th, 2021


FPS

238

100%

Value, $/FPS

$0.97/FPS

59%

Price, $

$232

56%

FPS Winner

Intel® Core™ i9-11900KF Desktop Processor 8 Cores up to 5.3 GHz Unlocked LGA1200 (Intel® 500 Series & Select 400 Series Chipset) 125W

Buy for $232 on Amazon

In Stock

Updated 8290 minutes ago

Intel Core i5-8400 Logo
Core i5-8400

Desktop • Oct 5th, 2017


FPS

225

94%

Value, $/FPS

$0.58/FPS

100%

Price, $

$130.73

100%

Value Winner

Intel Core i5-8400 Desktop Processor 6 Cores up to 4.0 GHz LGA 1151 300 Series 65W

Buy for $130.73 on Amazon

In Stock

Updated 8290 minutes ago

TOP 5 Games

Resolution

1920 x 1080

Game Graphics

Epic

Intel Core i9-11900KF Logo
Core i9-11900KF

Desktop • Mar 16th, 2021

Intel Core i5-8400 Logo
Core i5-8400

Desktop • Oct 5th, 2017

Geekbench 5 Benchmarks

Intel Core i9-11900KF Logo
Core i9-11900KF

Desktop • Mar 16th, 2021


Single-Core

2317

100%

Multi-Core

10125

100%

Intel Core i5-8400 Logo
Core i5-8400

Desktop • Oct 5th, 2017


Single-Core

1353

58%

Multi-Core

4748

46%

Intel Core i9-11900KF Logo

Intel Core i9-11900KF

vs
Intel Core i5-8400 Logo

Intel Core i5-8400

Mar 16th, 2021
Release DateOct 5th, 2017
Core i9CollectionCore i5
Rocket LakeCodenameCoffee Lake
Intel Socket 1200SocketIntel Socket 1151
Desktop
Segment
Desktop
8
Cores6
16
Threads6
3.5 GHz
Base Clock Speed2.8 GHz
5.3 GHz
Turbo Clock Speed4.0 GHz
125 WTDP
65 W
14 nmProcess Size14 nm
35.0x
Multiplier28.0x
NoneIntegrated GraphicsNone
Yes
OverclockableNo

Builds Using Core i9-11900KF or Core i5-8400

Fortnite, 1920 x 1080, Epic

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.