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FPS Winner
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The Ryzen 9 7900 is a clear winner – it's at least 2x faster gaming CPU than the Core i5-6400 and it's also a much better value for money, as it's only €97.49 more expensive!

Advantages of the Ryzen 9 7900

  • At least 2x faster CPU for gaming
  • A much better value for money for gaming
  • Can execute more multi-threaded tasks simultaneously – 24 vs 4 threads

Advantages of the Core i5-6400

  • Up to 25% cheaper€293.45 vs €390.94

Ryzen 9 7900 vs Core i5-6400 for Gaming

The CPU's performance in selected game and settings

Ryzen 9 7900 vs Core i5-6400 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 7900 vs Core i5-6400 in synthetic CPU benchmarks

AMD Ryzen 9 7900 Logo

Ryzen 9 7900

Jan 14th, 2023


Geekbench 6 Single-Core

2862

100%

Geekbench 6 Multi-Core

16841

100%

Intel Core i5-6400 Logo

Core i5-6400

Jul 2nd, 2015


Geekbench 6 Single-Core

1124

39%

Geekbench 6 Multi-Core

3067

18%

Performance Specifications

The Ryzen 9 7900 vs Core i5-6400 in core CPU performance specifications

AMD Ryzen 9 7900 Logo

Ryzen 9 7900

Jan 14th, 2023


Cores

12-core

100%

L3 Cache

64 MB

100%


Base Frequency

3.7 GHz

100%

Turbo Frequency

5.4 GHz

100%

Max. DDR5 RAM Speed

5200 MHz

100%

Intel Core i5-6400 Logo

Core i5-6400

Jul 2nd, 2015


Cores

4-core

33%

L3 Cache

6 MB

9%


Base Frequency

2.7 GHz

73%

Turbo Frequency

3.3 GHz

61%

Max. DDR4 RAM Speed

2133 MHz

41%

Specifications

Comparison of all specifications

AMD Ryzen 9 7900 Logo

Ryzen 9 7900

Specifications

Comparison of all specifications

Intel Core i5-6400 Logo

Core i5-6400

General
Jan 14th, 2023
Release DateJul 2nd, 2015
$429.00MSRP
$182.00
Desktop
Segment
Desktop
AMD Socket AM5SocketIntel Socket 1151
RaphaelCodenameSkylake
65 WPower Consumption65 W
Performance
12
Cores4
24
Threads4
3.7 GHz
Base Frequency2.7 GHz
5.4 GHz
Turbo Frequency3.3 GHz
64 MB
L3 Cache6 MB
Other Features
DDR5 @ 5200 MHzRAMDDR4 @ 2133 MHz
Radeon GraphicsIntegrated GraphicsHD Graphics 530
Yes
OverclockableNo

Prebuilt Gaming PCs

Our users choose these PCs when going for the Ryzen 9 7900 or Core i5-6400

Our users choose these PCs when going for the Ryzen 9 7900 or Core i5-6400

CPUs / Processors

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CPUs Compared for Gaming

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