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The Core i9-11900K is at least 2x faster gaming CPU than the Core i5-9400, however, it's a much worse value for money, as it's €266.83 more expensive!

Advantages of the Core i9-11900K

  • At least 2x faster CPU for gaming
  • Can execute more multi-threaded tasks simultaneously – 16 vs 6 threads

Advantages of the Core i5-9400

  • Up to 69% cheaper€119.99 vs €386.82
  • A much better value for money for gaming
  • Consumes up to 48% less energy65 vs 125 Watts

Core i9-11900K vs Core i5-9400 for Gaming

The CPU's performance in selected game and settings

Core i9-11900K vs Core i5-9400 in My Games

The FPS you'll get in saved games

The FPS you'll get in saved games

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Synthetic Benchmarks

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

Intel Core i9-11900K Logo

Core i9-11900K

Mar 16th, 2021


Geekbench 6 Single-Core

2388

100%

Geekbench 6 Multi-Core

10919

100%

Intel Core i5-9400 Logo

Core i5-9400

Oct 19th, 2018


Geekbench 6 Single-Core

1401

59%

Geekbench 6 Multi-Core

4829

44%

Performance Specifications

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

Intel Core i9-11900K Logo

Core i9-11900K

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%

Intel Core i5-9400 Logo

Core i5-9400

Oct 19th, 2018


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%

Specifications

Comparison of all specifications

Intel Core i9-11900K Logo

Core i9-11900K

Specifications

Comparison of all specifications

Intel Core i5-9400 Logo

Core i5-9400

General
Mar 16th, 2021
Release DateOct 19th, 2018
$539.00MSRPNot Available
Desktop
Segment
Desktop
Intel Socket 1200SocketIntel Socket 1151
Rocket LakeCodenameCoffee Lake
125 WPower Consumption
65 W
Performance
8
Cores6
16
Threads6
3.5 GHz
Base Frequency2.9 GHz
5.3 GHz
Turbo Frequency4.1 GHz
16 MB
L3 Cache9 MB
Other Features
DDR4 @ 3200 MHzRAMDDR4 @ 2666 MHz
UHD Graphics 750Integrated GraphicsUHD 630
Yes
OverclockableNo

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