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Core i5-6400 vs Core i9-9940X

Core i5-6400 vs Core i9-9940X: game performance, price, value, and specification comparison. Select comparison game parameters.

Intel Core i5-6400

2.7 GHz | 4-core

Intel Core i5-6400 Logo
Intel Boxed Core I5-6400 FC-LGA14C 2.70 Ghz 6 M Processor Cache 4 LGA 1151 BX80662I56400

Buy for $99.95 on Amazon

In Stock

Updated 349691 minutes ago

vs
FPS Winner

Intel Core i9-9940X

3.3 GHz | 14-core

Intel Core i9-9940X Logo
Intel Core i9-9940X X-Series Processor 14 Cores up to 4.4GHz Turbo Unlocked LGA2066 X299 Series 165W Processors (999AC9)

Buy for $870.7 on Amazon

In Stock

Updated 349691 minutes ago

Intel Core i5-6400

2.7 GHz | 4-core

Intel Core i5-6400 Logo
Intel Boxed Core I5-6400 FC-LGA14C 2.70 Ghz 6 M Processor Cache 4 LGA 1151 BX80662I56400

Buy for $99.95 on Amazon

In Stock

Updated 349691 minutes ago

vs
FPS Winner

Intel Core i9-9940X

3.3 GHz | 14-core

Intel Core i9-9940X Logo
Intel Core i9-9940X X-Series Processor 14 Cores up to 4.4GHz Turbo Unlocked LGA2066 X299 Series 165W Processors (999AC9)

Buy for $870.7 on Amazon

In Stock

Updated 349691 minutes ago

Key Differences

In short — Core i9-9940X outperforms the cheaper Core i5-6400 on the selected game parameters. However, the worse performing Core i5-6400 is a better bang for your buck. The better performing Core i9-9940X is 1205 days newer than the cheaper Core i5-6400.

Advantages of Intel Core i5-6400

  • Up to 89% cheaper than Core i9-9940X - $99.95 vs $870.7
  • Up to 88% better value when playing PlayerUnknown's Battlegrounds than Core i9-9940X - $0.35 vs $2.94 per FPS
  • Consumes up to 61% less energy than Intel Core i9-9940X - 65 vs 165 Watts
  • Works without a dedicated GPU, while Intel Core i9-9940X doesn't have integrated graphics

Advantages of Intel Core i9-9940X

  • Performs up to 3% better in PlayerUnknown's Battlegrounds than Core i5-6400 - 296 vs 287 FPS
  • Can execute more multi-threaded tasks simultaneously than Intel Core i5-6400 - 28 vs 4 threads
This is a free version of PlayerUnknown's Battlegrounds.

PlayerUnknown's Battlegrounds

Resolution

1920 x 1080

Game Graphics

Ultra

Intel Core i5-6400 Logo
Core i5-6400

Desktop • Jul 2nd, 2015


FPS

287

96.95945945945947%

Value, $/FPS

$0.35/FPS

100%

Price, $

$99.95

100%

Value Winner

Intel Boxed Core I5-6400 FC-LGA14C 2.70 Ghz 6 M Processor Cache 4 LGA 1151 BX80662I56400

Buy for $99.95 on Amazon

In Stock

Updated 349691 minutes ago

Intel Core i9-9940X Logo
Core i9-9940X

Desktop • Oct 19th, 2018


FPS

296

100%

Value, $/FPS

$2.94/FPS

11.904761904761903%

Price, $

$870.7

11%

FPS Winner

Intel Core i9-9940X X-Series Processor 14 Cores up to 4.4GHz Turbo Unlocked LGA2066 X299 Series 165W Processors (999AC9)

Buy for $870.7 on Amazon

In Stock

Updated 349691 minutes ago

TOP 5 Games

Resolution

1920 x 1080

Game Graphics

Ultra

Intel Core i5-6400 Logo
Core i5-6400

Desktop • Jul 2nd, 2015

Intel Core i9-9940X Logo
Core i9-9940X

Desktop • Oct 19th, 2018

Geekbench 5 Benchmarks

Intel Core i5-6400 Logo
Core i5-6400

Desktop • Jul 2nd, 2015


Single-Core

1111

76.14804660726526%

Multi-Core

3023

28.162847028134898%

Intel Core i9-9940X Logo
Core i9-9940X

Desktop • Oct 19th, 2018


Single-Core

1459

100%

Multi-Core

10734

100%

Intel Core i5-6400 Logo

Intel Core i5-6400

vs
Intel Core i9-9940X Logo

Intel Core i9-9940X

Jul 2nd, 2015Release Date
Oct 19th, 2018
Core i5CollectionCore i9
SkylakeCodenameSkylake
Intel Socket 1151SocketIntel Socket 2066
Desktop
Segment
Desktop
4Cores
14
4Threads
28
2.7 GHzBase Clock Speed
3.3 GHz
3.3 GHzTurbo Clock Speed
4.4 GHz
65 W
TDP165 W
14 nmProcess Size14 nm
27.0xMultiplier
33.0x
HD Graphics 530
Integrated GraphicsNone
NoOverclockable
Yes

Builds Using Core i5-6400 or Core i9-9940X

PlayerUnknown's Battlegrounds, 1920 x 1080, Ultra

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