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Core i5-8400 vs Core i7-6800K

Core i5-8400 vs Core i7-6800K: game performance, price, value, and specification comparison. Select comparison game parameters.

FPS Winner

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 $74.64 on Amazon

In Stock

Updated 76282 minutes ago

vs

Intel Core i7-6800K

3.4 GHz | 6-core

Intel Core i7-6800K Logo
Intel Boxed Core i7-6800K Processor (15M Cache, up to 3.60 GHz) FCLGA2011-3 (BX80671I76800K)

Buy for $90 on Amazon

In Stock

Updated 76282 minutes ago

FPS Winner

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 $74.64 on Amazon

In Stock

Updated 76282 minutes ago

vs

Intel Core i7-6800K

3.4 GHz | 6-core

Intel Core i7-6800K Logo
Intel Boxed Core i7-6800K Processor (15M Cache, up to 3.60 GHz) FCLGA2011-3 (BX80671I76800K)

Buy for $90 on Amazon

In Stock

Updated 76282 minutes ago

Key Differences

In short — Core i5-8400 outperforms the more expensive Core i7-6800K on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Core i5-8400 is 492 days newer than the more expensive Core i7-6800K.

Advantages of Intel Core i5-8400

  • Performs up to 4% better in Assassin's Creed Mirage than Core i7-6800K - 99 vs 95 FPS
  • Up to 17% cheaper than Core i7-6800K - $74.64 vs $90.0
  • Consumes up to 54% less energy than Intel Core i7-6800K - 65 vs 140 Watts

Advantages of Intel Core i7-6800K

  • Can execute more multi-threaded tasks simultaneously than Intel Core i5-8400 - 12 vs 6 threads
This is a free version of Assassin's Creed Mirage.
Assassin's Creed Mirage

Assassin's Creed Mirage

Resolution

1920 x 1080

Game Graphics

Ultra High

Intel Core i5-8400 Logo
Core i5-8400

Desktop • Oct 5th, 2017


FPS

99

100%

Value, $/FPS

Price, $

$74.64

100%

FPS Winner

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

Buy for $74.64 on Amazon

In Stock

Updated 76282 minutes ago

Intel Core i7-6800K Logo
Core i7-6800K

Desktop • May 31st, 2016


FPS

95

95.95959595959596%

Value, $/FPS

Price, $

$90

82%

Intel Boxed Core i7-6800K Processor (15M Cache, up to 3.60 GHz) FCLGA2011-3 (BX80671I76800K)

Buy for $90 on Amazon

In Stock

Updated 76282 minutes ago

TOP 5 Games

Resolution

1920 x 1080

Game Graphics

Ultra High

Intel Core i5-8400 Logo
Core i5-8400

Desktop • Oct 5th, 2017

Intel Core i7-6800K Logo
Core i7-6800K

Desktop • May 31st, 2016

Geekbench 5 Benchmarks

Intel Core i5-8400 Logo
Core i5-8400

Desktop • Oct 5th, 2017


Single-Core

1353

100%

Multi-Core

4748

83.87210740151917%

Intel Core i7-6800K Logo
Core i7-6800K

Desktop • May 31st, 2016


Single-Core

1224

90.46563192904657%

Multi-Core

5661

100%

Intel Core i5-8400 Logo

Intel Core i5-8400

vs
Intel Core i7-6800K Logo

Intel Core i7-6800K

Oct 5th, 2017
Release DateMay 31st, 2016
Core i5CollectionCore i7
Coffee LakeCodenameBroadwell-E
Intel Socket 1151SocketIntel Socket 2011-3
Desktop
Segment
Desktop
6Cores6
6Threads
12
2.8 GHzBase Clock Speed
3.4 GHz
4.0 GHz
Turbo Clock Speed3.6 GHz
65 W
TDP140 W
14 nmProcess Size14 nm
28.0xMultiplier
34.0x
NoneIntegrated GraphicsNone
NoOverclockable
Yes

Builds Using Core i5-8400 or Core i7-6800K

Assassin's Creed Mirage, 1920 x 1080, Ultra High

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