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Core i5-8400 vs Core i9-9900K

Core i5-8400 vs Core i9-9900K: game performance, price, value, and specification comparison. Select comparison game parameters.

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 CA$210 on Amazon

In Stock

Updated 94 minutes ago

vs
FPS Winner

Intel Core i9-9900K

3.6 GHz | 8-core

Intel Core i9-9900K Logo
Intel Core I9-9900K Desktop Processor 8 Cores Up to 5.0 GHz Turbo Unlocked LGA1151 300 Series 95W

Buy for CA$649 on Amazon

In Stock

Updated 93 minutes ago

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 CA$210 on Amazon

In Stock

Updated 94 minutes ago

vs
FPS Winner

Intel Core i9-9900K

3.6 GHz | 8-core

Intel Core i9-9900K Logo
Intel Core I9-9900K Desktop Processor 8 Cores Up to 5.0 GHz Turbo Unlocked LGA1151 300 Series 95W

Buy for CA$649 on Amazon

In Stock

Updated 93 minutes ago

Key Differences

In short — Core i9-9900K 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 i9-9900K is 379 days newer than the cheaper Core i5-8400.

Advantages of Intel Core i5-8400

  • Up to 68% cheaper than Core i9-9900K - CA$210.0 vs CA$649.0
  • Up to 65% better value when playing New World than Core i9-9900K - CA$1.86 vs CA$5.36 per FPS
  • Consumes up to 32% less energy than Intel Core i9-9900K - 65 vs 95 Watts

Advantages of Intel Core i9-9900K

  • Performs up to 7% better in New World than Core i5-8400 - 121 vs 113 FPS
  • Can execute more multi-threaded tasks simultaneously than Intel Core i5-8400 - 16 vs 6 threads
  • Works without a dedicated GPU, while Intel Core i5-8400 doesn't have integrated graphics
This is a free version of New World.
New World

New World

Resolution

1920 x 1080

Game Graphics

Very High

Intel Core i5-8400 Logo
Core i5-8400

Desktop • Oct 5th, 2017


FPS

113

93%

Value, CA$/FPS

CA$1.86/FPS

100%

Price, CA$

CA$210

100%

Value Winner

Intel Core i5-8400 Desktop Processor 6 Cores Up to 4.0 Ghz Lga 1151 300 Series 65W

Buy for CA$210 on Amazon

In Stock

Updated 94 minutes ago

Intel Core i9-9900K Logo
Core i9-9900K

Desktop • Oct 19th, 2018


FPS

121

100%

Value, CA$/FPS

CA$5.36/FPS

34%

Price, CA$

CA$649

32%

FPS Winner

Intel Core I9-9900K Desktop Processor 8 Cores Up to 5.0 GHz Turbo Unlocked LGA1151 300 Series 95W

Buy for CA$649 on Amazon

In Stock

Updated 93 minutes ago

TOP 5 Games

Resolution

1920 x 1080

Game Graphics

Very High

Intel Core i5-8400 Logo
Core i5-8400

Desktop • Oct 5th, 2017

Intel Core i9-9900K Logo
Core i9-9900K

Desktop • Oct 19th, 2018

Geekbench 5 Benchmarks

Intel Core i5-8400 Logo
Core i5-8400

Desktop • Oct 5th, 2017


Single-Core

1353

81%

Multi-Core

4748

59%

Intel Core i9-9900K Logo
Core i9-9900K

Desktop • Oct 19th, 2018


Single-Core

1668

100%

Multi-Core

7960

100%

Intel Core i5-8400 Logo

Intel Core i5-8400

vs
Intel Core i9-9900K Logo

Intel Core i9-9900K

Oct 5th, 2017Release Date
Oct 19th, 2018
Core i5CollectionCore i9
Coffee LakeCodenameCoffee Lake
Intel Socket 1151SocketIntel Socket 1151
Desktop
Segment
Desktop
6Cores
8
6Threads
16
2.8 GHzBase Clock Speed
3.6 GHz
4.0 GHzTurbo Clock Speed
5.0 GHz
65 W
TDP95 W
14 nmProcess Size14 nm
28.0xMultiplier
36.0x
NoneIntegrated Graphics
UHD Graphics 630
NoOverclockable
Yes

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