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Core i7-6900K vs Core i5-8400

Core i7-6900K vs Core i5-8400: game performance, price, value, and specification comparison. Select comparison game parameters.

FPS Winner

Intel Core i7-6900K

3.2 GHz | 8-core

Intel Core i7-6900K Logo
Intel Boxed Core i7-6900K Processor (20MB Cache, up to 3.70 GHz) FC-LGA 2011-v3,BX80671I76900K

Buy for 97.4 on Amazon

In Stock

Updated 74405 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 60.58 on Amazon

In Stock

Updated 74405 minutes ago

FPS Winner

Intel Core i7-6900K

3.2 GHz | 8-core

Intel Core i7-6900K Logo
Intel Boxed Core i7-6900K Processor (20MB Cache, up to 3.70 GHz) FC-LGA 2011-v3,BX80671I76900K

Buy for 97.4 on Amazon

In Stock

Updated 74405 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 60.58 on Amazon

In Stock

Updated 74405 minutes ago

Key Differences

In short — Core i7-6900K outperforms the cheaper Core i5-8400 on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Core i7-6900K is 492 days older than the cheaper Core i5-8400.

Advantages of Intel Core i7-6900K

  • Performs up to 1% better in Assassin's Creed Valhalla than Core i5-8400 - 176 vs 175 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 38% cheaper than Core i7-6900K - $54.58 vs $87.75
  • Consumes up to 54% less energy than Intel Core i7-6900K - 65 vs 140 Watts
This is a free version of Assassin's Creed Valhalla.
Assassin's Creed Valhalla

Assassin's Creed Valhalla

Resolution

1920 x 1080

Game Graphics

Ultra High

Intel Core i7-6900K Logo
Core i7-6900K

Desktop • May 31st, 2016


FPS

176

100%

Value, €/FPS

Price, €

€97.4

62%

FPS Winner

Intel Boxed Core i7-6900K Processor (20MB Cache, up to 3.70 GHz) FC-LGA 2011-v3,BX80671I76900K

Buy for 97.4 on Amazon

In Stock

Updated 74405 minutes ago

Intel Core i5-8400 Logo
Core i5-8400

Desktop • Oct 5th, 2017


FPS

175

99.43181818181817%

Value, €/FPS

Price, €

€60.58

100%

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

Buy for 60.58 on Amazon

In Stock

Updated 74405 minutes ago

TOP 5 Games

Resolution

1920 x 1080

Game Graphics

Ultra High

Intel Core i7-6900K Logo
Core i7-6900K

Desktop • May 31st, 2016

Intel Core i5-8400 Logo
Core i5-8400

Desktop • Oct 5th, 2017

Geekbench 5 Benchmarks

Intel Core i7-6900K Logo
Core i7-6900K

Desktop • May 31st, 2016


Single-Core

1252

92.53510716925351%

Multi-Core

7118

100%

Intel Core i5-8400 Logo
Core i5-8400

Desktop • Oct 5th, 2017


Single-Core

1353

100%

Multi-Core

4748

66.70413037370048%

Intel Core i7-6900K Logo

Intel Core i7-6900K

vs
Intel Core i5-8400 Logo

Intel Core i5-8400

May 31st, 2016Release Date
Oct 5th, 2017
Core i7CollectionCore i5
Broadwell-ECodenameCoffee Lake
Intel Socket 2011-3SocketIntel Socket 1151
Desktop
Segment
Desktop
8
Cores6
16
Threads6
3.2 GHz
Base Clock Speed2.8 GHz
3.7 GHzTurbo Clock Speed
4.0 GHz
140 WTDP
65 W
14 nmProcess Size14 nm
32.0x
Multiplier28.0x
NoneIntegrated GraphicsNone
Yes
OverclockableNo

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