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The Core i9-10900X is a slightly faster gaming CPU than the Core i5-9400, however, it's a much worse value for money, as it's $437.84 more expensive!

Advantages of the Core i9-10900X

  • A slightly faster CPU for gaming
  • Can execute more multi-threaded tasks simultaneously – 20 vs 6 threads

Advantages of the Core i5-9400

  • Up to 86% cheaper$71.17 vs $509.01
  • A much better value for money for gaming
  • Consumes up to 61% less energy65 vs 165 Watts
  • Has an integrated GPU, while the Core i9-10900X cannot run games without a dedicated GPU

Core i9-10900X vs Core i5-9400 for Gaming

The CPU's performance in selected game and settings

Core i9-10900X 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 i9-10900X vs Core i5-9400 in synthetic CPU benchmarks

Intel Core i9-10900X Logo

Core i9-10900X

Oct 19th, 2019


Geekbench 6 Single-Core

1586

100%

Geekbench 6 Multi-Core

9615

100%

Intel Core i5-9400 Logo

Core i5-9400

Oct 19th, 2018


Geekbench 6 Single-Core

1401

88%

Geekbench 6 Multi-Core

4829

50%

Performance Specifications

The Core i9-10900X vs Core i5-9400 in core CPU performance specifications

Intel Core i9-10900X Logo

Core i9-10900X

Oct 19th, 2019


Cores

10-core

100%

L3 Cache

19.25 MB

100%


Base Frequency

3.7 GHz

100%

Turbo Frequency

4.5 GHz

100%

Max. DDR4 RAM Speed

MHz

Intel Core i5-9400 Logo

Core i5-9400

Oct 19th, 2018


Cores

6-core

60%

L3 Cache

9 MB

47%


Base Frequency

2.9 GHz

78%

Turbo Frequency

4.1 GHz

91%

Max. DDR4 RAM Speed

2666 MHz

100%

Intel Core i9-10900X Logo

Core i9-10900X

Intel Core i5-9400 Logo

Core i5-9400

General
Oct 19th, 2019
Release DateOct 19th, 2018
Not AvailableMSRPNot Available
Desktop
Segment
Desktop
Intel Socket 2066SocketIntel Socket 1151
Cascade LakeCodenameCoffee Lake
165 WPower Consumption
65 W
Performance
10
Cores6
20
Threads6
3.7 GHz
Base Frequency2.9 GHz
4.5 GHz
Turbo Frequency4.1 GHz
19.25 MB
L3 Cache9 MB
Other Features
DDR4RAMDDR4 @ 2666 MHz
NoIntegrated Graphics
UHD 630
Yes
OverclockableNo

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