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The Core i5-9400F is a slightly slower gaming CPU than the Core i9-11900KF, however, it's a much better value for money, as it's £270.00 cheaper!

Advantages of the Core i5-9400F

  • Up to 74% cheaper than the Core i9-11900KF – £96.66 vs £366.66
  • A much better value for money when playing games compared to the Core i9-11900KF
  • Consumes up to 48% less energy than the Core i9-11900KF – 65 vs 125 Watts

Advantages of the Core i9-11900KF

  • A slightly faster gaming CPU than the Core i5-9400F
  • Can execute more multi-threaded tasks simultaneously than the Core i5-9400F – 16 vs 6 threads

Core i5-9400F vs Core i9-11900KF for Gaming

The CPU's performance in selected game and settings

Intel Core i9-11900KF Logo

Core i9-11900KF

Mar 16th, 2021


Average FPS

206

100%

Min 1% FPS

135

100%

Price, £

£366.66

26%

Value, £/FPS

£1.78/FPS

29%


Core i5-9400F vs Core i9-11900KF in My Games

The FPS you'll get in saved games

The FPS you'll get in saved games

Select Game

Add a Game

Select Settings

Synthetic Benchmarks

The Core i5-9400F vs Core i9-11900KF in synthetic CPU benchmarks

Intel Core i5-9400F Logo

Core i5-9400F

Jan 8th, 2019


Geekbench 6 Single-Core

1404

60%

Geekbench 6 Multi-Core

4918

49%

Intel Core i9-11900KF Logo

Core i9-11900KF

Mar 16th, 2021


Geekbench 6 Single-Core

2327

100%

Geekbench 6 Multi-Core

10019

100%

Performance Specifications

The Core i5-9400F vs Core i9-11900KF in core CPU performance specifications

Intel Core i5-9400F Logo

Core i5-9400F

Jan 8th, 2019


Cores

6-core

75%

L3 Cache

9 MB

56%


Base Frequency

2.9 GHz

83%

Turbo Frequency

4.1 GHz

77%

Max. DDR4 RAM Speed

2666 MHz

83%

Intel Core i9-11900KF Logo

Core i9-11900KF

Mar 16th, 2021


Cores

8-core

100%

L3 Cache

16 MB

100%


Base Frequency

3.5 GHz

100%

Turbo Frequency

5.3 GHz

100%

Max. DDR4 RAM Speed

3200 MHz

100%

Specifications

Comparison of all specifications

Intel Core i5-9400F Logo

Core i5-9400F

Specifications

Comparison of all specifications

Intel Core i9-11900KF Logo

Core i9-11900KF

General
Jan 8th, 2019Release Date
Mar 16th, 2021
Not AvailableMSRP$513.00
Desktop
Segment
Desktop
Intel Socket 1151SocketIntel Socket 1200
Coffee LakeCodenameRocket Lake
65 W
Power Consumption125 W
Performance
6Cores
8
6Threads
16
2.9 GHzBase Frequency
3.5 GHz
4.1 GHzTurbo Frequency
5.3 GHz
9 MBL3 Cache
16 MB
Other Features
DDR4 @ 2666 MHzRAMDDR4 @ 3200 MHz
NoIntegrated GraphicsNo
NoOverclockable
Yes

Prebuilt Gaming PCs

Our users choose these PCs when going for the Core i5-9400F or Core i9-11900KF

Our users choose these PCs when going for the Core i5-9400F or Core i9-11900KF

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