AMD Ryzen 7 7700X vs AMD Ryzen 9 3900X

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We compared two desktop CPUs: AMD Ryzen 7 7700X with 8 cores 4.5GHz and AMD Ryzen 9 3900X with 12 cores 3.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 7 7700X 's Advantages

Released 3 years and 2 months late

Integrated graphics card

Higher specification of memory (DDR5-5200 vs DDR4-3200)

Larger memory bandwidth (83.2GB/s vs 47.68GB/s)

Newer PCIe version (5.0 vs 4.0)

Higher base frequency (4.5GHz vs 3.8GHz)

More modern manufacturing process (5nm vs 7nm)

AMD Ryzen 9 3900X 's Advantages

Larger L3 cache size (64MB vs 32MB)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 7 7700X +52%

1985

AMD Ryzen 9 3900X

1302

Cinebench R23 Multi Core

AMD Ryzen 7 7700X +7%

19879

AMD Ryzen 9 3900X

18529

Geekbench 6 Single Core

AMD Ryzen 7 7700X +53%

2824

AMD Ryzen 9 3900X

1842

Geekbench 6 Multi Core

AMD Ryzen 7 7700X +26%

14853

AMD Ryzen 9 3900X

11715

Cinebench 2024 Single Core

AMD Ryzen 7 7700X +57%

123

AMD Ryzen 9 3900X

78

Cinebench 2024 Multi Core

AMD Ryzen 7 7700X +1%

1087

AMD Ryzen 9 3900X

1068

Geekbench 5 Single Core

AMD Ryzen 7 7700X +67%

2210

AMD Ryzen 9 3900X

1319

Geekbench 5 Multi Core

AMD Ryzen 7 7700X +17%

14074

AMD Ryzen 9 3900X

11991

Passmark CPU Single Core

AMD Ryzen 7 7700X +58%

4263

AMD Ryzen 9 3900X

2683

Passmark CPU Multi Core

AMD Ryzen 7 7700X +11%

36309

AMD Ryzen 9 3900X

32531

AMD Ryzen 7 7700X

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AMD Ryzen 9 3900X

General Parameters

Sep 2022

Release Date

Jul 2019

AMD

Manufacturer

AMD

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Raphael

Core Architecture

Zen 2

AM5

Socket

AM4

AMD Radeon™ Graphics

Integrated Graphics

N/A

Package

-

Transistor Count

3.8 billions

5 nm

Manufacturing Process

7 nm

AM5

Socket

AM4

105 W

Power Consumption

105 W

95 °C

Peak Operating Temperature

95 °C

CPU Performance

8

Performance Cores

12

16

Performance Core Threads

24

4.5 GHz

Performance Core Base Frequency

3.8 GHz

5.4 GHz

Performance Core Turbo Frequency

4.6 GHz

8

Total Core Count

12

16

Total Thread Count

24

100 MHz

Bus Frequency

100 MHz

45x

Multiplier

38x

512 KB

L1 Cache

64 K per core

8 MB

L2 Cache

512 K per core

32 MB

L3 Cache

64 MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR5-5200

Memory Types

DDR4-3200

128 GB

Max Memory Size

128 GB

2

Max Memory Channels

2

83.2 GB/s

Max Memory Bandwidth

47.68 GB/s

-

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

-

Miscellaneous

AMD Ryzen 7 7700X

Official Website

AMD Ryzen 9 3900X

5.0

PCIe Version

4.0

24

PCIe Lanes

16

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