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Core i5-8400 vs Core i7-2700K

Core i5-8400 vs Core i7-2700K: 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 73631 minutes ago

vs

Intel Core i7-2700K

3.5 GHz | 4-core

Intel Core i7-2700K Logo
Intel Core i7-2700K Quad-Core Processor 3.5 GHz 8 MB Cache LGA 1155 - BX80623I72700K

Buy for $88.99 on Amazon

In Stock

Updated 73629 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 73631 minutes ago

vs

Intel Core i7-2700K

3.5 GHz | 4-core

Intel Core i7-2700K Logo
Intel Core i7-2700K Quad-Core Processor 3.5 GHz 8 MB Cache LGA 1155 - BX80623I72700K

Buy for $88.99 on Amazon

In Stock

Updated 73629 minutes ago

Key Differences

In short — Core i5-8400 outperforms the more expensive Core i7-2700K on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Core i5-8400 is 2173 days newer than the more expensive Core i7-2700K.

Advantages of Intel Core i5-8400

  • Performs up to 21% better in Cyberpunk 2077 than Core i7-2700K - 76 vs 63 FPS
  • Up to 16% cheaper than Core i7-2700K - $74.64 vs $88.99
  • Consumes up to 32% less energy than Intel Core i7-2700K - 65 vs 95 Watts

Advantages of Intel Core i7-2700K

  • Can execute more multi-threaded tasks simultaneously than Intel Core i5-8400 - 8 vs 6 threads
  • Works without a dedicated GPU, while Intel Core i5-8400 doesn't have integrated graphics
This is a free version of Cyberpunk 2077.
Cyberpunk 2077

Cyberpunk 2077

Resolution

1920 x 1080

Game Graphics

RT Overdrive

Intel Core i5-8400 Logo
Core i5-8400

Desktop • Oct 5th, 2017


FPS

76

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 73631 minutes ago

Intel Core i7-2700K Logo
Core i7-2700K

Desktop • Oct 24th, 2011


FPS

63

82.89473684210526%

Value, $/FPS

Price, $

$88.99

83%

Intel Core i7-2700K Quad-Core Processor 3.5 GHz 8 MB Cache LGA 1155 - BX80623I72700K

Buy for $88.99 on Amazon

In Stock

Updated 73629 minutes ago

TOP 5 Games

Resolution

1920 x 1080

Game Graphics

RT Overdrive

Intel Core i5-8400 Logo
Core i5-8400

Desktop • Oct 5th, 2017

Intel Core i7-2700K Logo
Core i7-2700K

Desktop • Oct 24th, 2011

Geekbench 5 Benchmarks

Intel Core i5-8400 Logo
Core i5-8400

Desktop • Oct 5th, 2017


Single-Core

1353

100%

Multi-Core

4748

100%

Intel Core i7-2700K Logo
Core i7-2700K

Desktop • Oct 24th, 2011


Single-Core

664

49.076127124907615%

Multi-Core

2264

47.6832350463353%

Intel Core i5-8400 Logo

Intel Core i5-8400

vs
Intel Core i7-2700K Logo

Intel Core i7-2700K

Oct 5th, 2017
Release DateOct 24th, 2011
Core i5CollectionCore i7
Coffee LakeCodenameSandy Bridge
Intel Socket 1151SocketIntel Socket 1155
Desktop
Segment
Desktop
6
Cores4
6Threads
8
2.8 GHzBase Clock Speed
3.5 GHz
4.0 GHz
Turbo Clock Speed3.9 GHz
65 W
TDP95 W
14 nm
Process Size32 nm
28.0xMultiplier
35.0x
NoneIntegrated Graphics
Intel HD 3000
NoOverclockable
Yes

Builds Using Core i5-8400 or Core i7-2700K

Cyberpunk 2077, 1920 x 1080, RT Overdrive

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