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Core i5-9400 vs Core i7-6900K

Core i5-9400 vs Core i7-6900K: game performance, price, value, and specification comparison. Select comparison game parameters.

FPS Winner

Intel Core i5-9400

2.9 GHz | 6-core

Intel Core i5-9400 Logo
Intel Core i5-9400 Desktop Processor 6 Cores 2. 90 GHz up to 4. 10 GHz Turbo LGA1151 300 Series 65W Processors BX80684I59400

Buy for 130.59 on Amazon

In Stock

Updated 159 minutes ago

vs

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 159 minutes ago

FPS Winner

Intel Core i5-9400

2.9 GHz | 6-core

Intel Core i5-9400 Logo
Intel Core i5-9400 Desktop Processor 6 Cores 2. 90 GHz up to 4. 10 GHz Turbo LGA1151 300 Series 65W Processors BX80684I59400

Buy for 130.59 on Amazon

In Stock

Updated 159 minutes ago

vs

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 159 minutes ago

Key Differences

In short — Core i5-9400 outperforms the cheaper Core i7-6900K on the selected game parameters. However, the worse performing Core i7-6900K is a better bang for your buck. The better performing Core i5-9400 is 871 days newer than the cheaper Core i7-6900K.

Advantages of Intel Core i5-9400

  • Performs up to 4% better in Starfield than Core i7-6900K - 58 vs 56 FPS
  • Consumes up to 54% less energy than Intel Core i7-6900K - 65 vs 140 Watts
  • Works without a dedicated GPU, while Intel Core i7-6900K doesn't have integrated graphics

Advantages of Intel Core i7-6900K

  • Up to 25% cheaper than Core i5-9400 - $87.75 vs $117.65
  • Up to 23% better value when playing Starfield than Core i5-9400 - $1.74 vs $2.25 per FPS
  • Can execute more multi-threaded tasks simultaneously than Intel Core i5-9400 - 16 vs 6 threads
This is a free version of Starfield.
Starfield

Starfield

Resolution

1920 x 1080

Game Graphics

Ultra

Intel Core i5-9400 Logo
Core i5-9400

Desktop • Oct 19th, 2018


FPS

58

100%

Value, €/FPS

€2.25/FPS

77%

Price, €

€130.59

74%

FPS Winner

Intel Core i5-9400 Desktop Processor 6 Cores 2. 90 GHz up to 4. 10 GHz Turbo LGA1151 300 Series 65W Processors BX80684I59400

Buy for 130.59 on Amazon

In Stock

Updated 159 minutes ago

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

Desktop • May 31st, 2016


FPS

56

96%

Value, €/FPS

€1.74/FPS

100%

Price, €

€97.4

100%

Value 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 159 minutes ago

TOP 5 Games

Resolution

1920 x 1080

Game Graphics

Ultra

Intel Core i5-9400 Logo
Core i5-9400

Desktop • Oct 19th, 2018

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

Desktop • May 31st, 2016

Geekbench 5 Benchmarks

Intel Core i5-9400 Logo
Core i5-9400

Desktop • Oct 19th, 2018


Single-Core

1384

100%

Multi-Core

4795

67%

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

Desktop • May 31st, 2016


Single-Core

1252

90%

Multi-Core

7118

100%

Intel Core i5-9400 Logo

Intel Core i5-9400

vs
Intel Core i7-6900K Logo

Intel Core i7-6900K

Oct 19th, 2018
Release DateMay 31st, 2016
Core i5CollectionCore i7
Coffee LakeCodenameBroadwell-E
Intel Socket 1151SocketIntel Socket 2011-3
Desktop
Segment
Desktop
6Cores
8
6Threads
16
2.9 GHzBase Clock Speed
3.2 GHz
4.1 GHz
Turbo Clock Speed3.7 GHz
65 W
TDP140 W
14 nmProcess Size14 nm
29.0xMultiplier
32.0x
UHD 630
Integrated GraphicsNone
NoOverclockable
Yes

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