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Core i5-8400 vs Core i7-4790K

Core i5-8400 vs Core i7-4790K: game performance, price, value, and specification comparison. Select comparison game parameters.

FPS Tie

Intel Core i5-8400

2.8 GHz | 6-core

Intel Core i5-8400 Logo
Intel Core i5-8400 Retail - (1151/Hex Core/2.80GHz/9MB/Coffee Lake/65W/Graphics)

Buy for £158.88 on Amazon

In Stock

Updated 219 minutes ago

vs
FPS Tie

Intel Core i7-4790K

4.0 GHz | 4-core

Intel Core i7-4790K Logo
Intel Core i7 i7-4790K Quad-core (4 Core) 4 GHz Processor - Socket H3 LGA-1150 Pack CM8064601710501

Buy for £200 on Amazon

In Stock

Updated 219 minutes ago

FPS Tie

Intel Core i5-8400

2.8 GHz | 6-core

Intel Core i5-8400 Logo
Intel Core i5-8400 Retail - (1151/Hex Core/2.80GHz/9MB/Coffee Lake/65W/Graphics)

Buy for £158.88 on Amazon

In Stock

Updated 219 minutes ago

vs
FPS Tie

Intel Core i7-4790K

4.0 GHz | 4-core

Intel Core i7-4790K Logo
Intel Core i7 i7-4790K Quad-core (4 Core) 4 GHz Processor - Socket H3 LGA-1150 Pack CM8064601710501

Buy for £200 on Amazon

In Stock

Updated 219 minutes ago

Key Differences

In short, we have a clear winner — Core i5-8400 outperforms the more expensive Core i7-4790K on the selected game parameters, and is also a better bang for your buck! The better performing Core i5-8400 is 1253 days newer than the more expensive Core i7-4790K.

Advantages of Intel Core i5-8400

  • Up to 21% cheaper than Core i7-4790K - £158.88 vs £200.0
  • Up to 21% better value when playing No Man's Sky than Core i7-4790K - £0.91 vs £1.15 per FPS
  • Consumes up to 26% less energy than Intel Core i7-4790K - 65 vs 88 Watts

Advantages of Intel Core i7-4790K

  • 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 No Man's Sky.
No Man's Sky

No Man's Sky

Resolution

1920 x 1080

Game Graphics

Ultra

Intel Core i5-8400 Logo
Core i5-8400

Desktop • Oct 5th, 2017


FPS

174

100%

Value, £/FPS

£0.91/FPS

100%

Price, £

£158.88

100%

Value Winner

Intel Core i5-8400 Retail - (1151/Hex Core/2.80GHz/9MB/Coffee Lake/65W/Graphics)

Buy for £158.88 on Amazon

In Stock

Updated 219 minutes ago

Intel Core i7-4790K Logo
Core i7-4790K

Desktop • May 1st, 2014


FPS

174

100%

Value, £/FPS

£1.15/FPS

79%

Price, £

£200

79%

Intel Core i7 i7-4790K Quad-core (4 Core) 4 GHz Processor - Socket H3 LGA-1150 Pack CM8064601710501

Buy for £200 on Amazon

In Stock

Updated 219 minutes ago

TOP 5 Games

Resolution

1920 x 1080

Game Graphics

Ultra

Intel Core i5-8400 Logo
Core i5-8400

Desktop • Oct 5th, 2017

Intel Core i7-4790K Logo
Core i7-4790K

Desktop • May 1st, 2014

Geekbench 5 Benchmarks

Intel Core i5-8400 Logo
Core i5-8400

Desktop • Oct 5th, 2017


Single-Core

1353

97%

Multi-Core

4748

100%

Intel Core i7-4790K Logo
Core i7-4790K

Desktop • May 1st, 2014


Single-Core

1387

100%

Multi-Core

4394

92%

Intel Core i5-8400 Logo

Intel Core i5-8400

vs
Intel Core i7-4790K Logo

Intel Core i7-4790K

Oct 5th, 2017
Release DateMay 1st, 2014
Core i5CollectionCore i7
Coffee LakeCodenameHaswell
Intel Socket 1151SocketIntel Socket 1150
Desktop
Segment
Desktop
6
Cores4
6Threads
8
2.8 GHzBase Clock Speed
4.0 GHz
4.0 GHzTurbo Clock Speed
4.4 GHz
65 W
TDP88 W
14 nm
Process Size22 nm
28.0xMultiplier
40.0x
NoneIntegrated Graphics
Intel HD 4600
NoOverclockable
Yes

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