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FPS Winner
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The Ryzen 9 3900X is a clear winner – it's a faster gaming CPU than the Core i7-7820X and it's also a better value for money, as it's $12.61 cheaper!

Advantages of the Ryzen 9 3900X

  • A faster CPU for gaming
  • Up to 4% cheaper$328.83 vs $341.44
  • A better value for money for gaming
  • Consumes up to 25% less energy105 vs 140 Watts
  • Can execute more multi-threaded tasks simultaneously – 24 vs 16 threads

Advantages of the Core i7-7820X

The Ryzen 9 3900X is better in every way

Ryzen 9 3900X vs Core i7-7820X for Gaming

The CPU's performance in selected game and settings

Ryzen 9 3900X vs Core i7-7820X 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 i7-7820X 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 i7-7820X Logo

Core i7-7820X

Jun 26th, 2017


Geekbench 6 Single-Core

1424

83%

Geekbench 6 Multi-Core

7858

79%

Performance Specifications

The Ryzen 9 3900X vs Core i7-7820X 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 i7-7820X Logo

Core i7-7820X

Jun 26th, 2017


Cores

8-core

67%

L3 Cache

11 MB

17%


Base Frequency

3.6 GHz

95%

Turbo Frequency

4.3 GHz

93%

Max. DDR4 RAM Speed

2666 MHz

83%

Specifications

Comparison of all specifications

Specifications

Comparison of all specifications

General
Jul 7th, 2019
Release DateJun 26th, 2017
$499.00
MSRP$599.00
Desktop
Segment
Desktop
AMD Socket AM4SocketIntel Socket 2066
MatisseCodenameSkylake-E/EP
105 W
Power Consumption140 W
Performance
12
Cores8
24
Threads16
3.8 GHz
Base Frequency3.6 GHz
4.6 GHz
Turbo Frequency4.3 GHz
64 MB
L3 Cache11 MB
Other Features
DDR4 @ 3200 MHzRAMDDR4 @ 2666 MHz
NoIntegrated GraphicsNo
YesOverclockableYes

Prebuilt Gaming PCs

Our users choose these PCs when going for the Ryzen 9 3900X or Core i7-7820X

Our users choose these PCs when going for the Ryzen 9 3900X or Core i7-7820X

CPUs / Processors

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CPUs Compared for Gaming

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