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The Ryzen 9 3900X is a slightly faster gaming CPU than the Core i5-8600K, however, it's a slightly worse value for money, as it's $29.73 more expensive!

Advantages of the Ryzen 9 3900X

  • A slightly faster CPU for gaming
  • Can execute more multi-threaded tasks simultaneously – 24 vs 6 threads

Advantages of the Core i5-8600K

  • Up to 9% cheaper$299.10 vs $328.83
  • A slightly better value for money for gaming
  • Consumes up to 10% less energy95 vs 105 Watts
  • Has an integrated GPU, while the Ryzen 9 3900X cannot run games without a dedicated GPU

Ryzen 9 3900X vs Core i5-8600K for Gaming

The CPU's performance in selected game and settings

Ryzen 9 3900X vs Core i5-8600K 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 Ryzen 9 3900X vs Core i5-8600K in synthetic CPU benchmarks

AMD Ryzen 9 3900X Logo

Ryzen 9 3900X

Jul 7th, 2019


Geekbench 6 Single-Core

1709

100%

Geekbench 6 Multi-Core

9937

100%

Intel Core i5-8600K Logo

Core i5-8600K

Oct 5th, 2017


Geekbench 6 Single-Core

1582

93%

Geekbench 6 Multi-Core

5735

58%

Performance Specifications

The Ryzen 9 3900X vs Core i5-8600K in core CPU performance specifications

AMD Ryzen 9 3900X Logo

Ryzen 9 3900X

Jul 7th, 2019


Cores

12-core

100%

L3 Cache

64 MB

100%


Base Frequency

3.8 GHz

100%

Turbo Frequency

4.6 GHz

100%

Max. DDR4 RAM Speed

3200 MHz

100%

Intel Core i5-8600K Logo

Core i5-8600K

Oct 5th, 2017


Cores

6-core

50%

L3 Cache

9 MB

14%


Base Frequency

3.6 GHz

95%

Turbo Frequency

4.3 GHz

93%

Max. DDR4 RAM Speed

2666 MHz

83%

Specifications

Comparison of all specifications

AMD Ryzen 9 3900X Logo

Ryzen 9 3900X

Specifications

Comparison of all specifications

Intel Core i5-8600K Logo

Core i5-8600K

General
Jul 7th, 2019
Release DateOct 5th, 2017
$499.00MSRP
$257.00
Desktop
Segment
Desktop
AMD Socket AM4SocketIntel Socket 1151
MatisseCodenameCoffee Lake
105 WPower Consumption
95 W
Performance
12
Cores6
24
Threads6
3.8 GHz
Base Frequency3.6 GHz
4.6 GHz
Turbo Frequency4.3 GHz
64 MB
L3 Cache9 MB
Other Features
DDR4 @ 3200 MHzRAMDDR4 @ 2666 MHz
NoIntegrated Graphics
UHD Graphics 630
YesOverclockableYes

Prebuilt Gaming PCs

Our users choose these PCs when going for the Ryzen 9 3900X or Core i5-8600K

Our users choose these PCs when going for the Ryzen 9 3900X or Core i5-8600K

CPUs / Processors

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CPUs Compared for Gaming

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