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The Core i5-9400F is a slightly faster gaming CPU than the Core i7-6900K, however, it's the same value for money, as it's only $2.50 cheaper!

Advantages of the Core i5-9400F

  • A slightly faster CPU for gaming
  • Up to 2% cheaper$99.00 vs $101.50
  • Consumes up to 54% less energy65 vs 140 Watts

Advantages of the Core i7-6900K

  • Can execute more multi-threaded tasks simultaneously – 16 vs 6 threads

Core i5-9400F vs Core i7-6900K for Gaming

The CPU's performance in selected game and settings

Core i5-9400F vs Core i7-6900K in My Games

The FPS you'll get in saved games, click on a game to change it

The FPS you'll get in saved games, click on a game to change it

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Synthetic Benchmarks

The Core i5-9400F vs Core i7-6900K in synthetic CPU benchmarks

Intel Core i5-9400F Logo

Core i5-9400F

Jan 8th, 2019


Geekbench 6 Single-Core

1412

100%

Geekbench 6 Multi-Core

5082

71%

Intel Core i7-6900K Logo

Core i7-6900K

May 31st, 2016


Geekbench 6 Single-Core

1277

90%

Geekbench 6 Multi-Core

7197

100%

Performance Specifications

The Core i5-9400F vs Core i7-6900K in core CPU performance specifications

Intel Core i5-9400F Logo

Core i5-9400F

Jan 8th, 2019


Cores

6-core

75%

L3 Cache

9 MB

45%


Base Frequency

2.9 GHz

91%

Turbo Frequency

4.1 GHz

100%

Max. DDR4 RAM Speed

2666 MHz

100%

Intel Core i7-6900K Logo

Core i7-6900K

May 31st, 2016


Cores

8-core

100%

L3 Cache

20 MB

100%


Base Frequency

3.2 GHz

100%

Turbo Frequency

3.7 GHz

90%

Max. DDR4 RAM Speed

2400 MHz

90%

Specifications

Comparison of all specifications

Intel Core i5-9400F Logo

Core i5-9400F

Specifications

Comparison of all specifications

Intel Core i7-6900K Logo

Core i7-6900K

General
Jan 8th, 2019
Release DateMay 31st, 2016
Not AvailableMSRP$1,089.00
Desktop
Segment
Desktop
Intel Socket 1151SocketIntel Socket 2011-3
Coffee LakeCodenameBroadwell-E
65 W
Power Consumption140 W
Performance
6Cores
8
6Threads
16
2.9 GHzBase Frequency
3.2 GHz
4.1 GHz
Turbo Frequency3.7 GHz
9 MBL3 Cache
20 MB
Other Features
DDR4 @ 2666 MHzRAMDDR4 @ 2400 MHz
NoIntegrated GraphicsNo
NoOverclockable
Yes

Prebuilt Gaming PCs

Our users choose these PCs when going for the Core i5-9400F or Core i7-6900K

Our users choose these PCs when going for the Core i5-9400F or Core i7-6900K

Core i5-9400F and Core i7-6900K vs Other CPUs

The most compared CPUs against the Core i5-9400F and Core i7-6900K

The most compared CPUs against the Core i5-9400F and Core i7-6900K

CPUs Compared for Gaming

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