AMD Ryzen 9 3900X vs AMD Ryzen 7 5800X3D

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We compared two desktop CPUs: AMD Ryzen 9 3900X with 12 cores 3.8GHz and AMD Ryzen 7 5800X3D with 8 cores 3.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 9 3900X 's Advantages

Higher base frequency (3.8GHz vs 3.4GHz)

AMD Ryzen 7 5800X3D 's Advantages

Released 2 years and 8 months late

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

Larger L3 cache size (96MB vs 64MB)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 9 3900X

1302

AMD Ryzen 7 5800X3D +13%

1476

Cinebench R23 Multi Core

AMD Ryzen 9 3900X +27%

18529

AMD Ryzen 7 5800X3D

14514

Geekbench 6 Single Core

AMD Ryzen 9 3900X

1842

AMD Ryzen 7 5800X3D +16%

2144

Geekbench 6 Multi Core

AMD Ryzen 9 3900X +3%

11715

AMD Ryzen 7 5800X3D

11358

Cinebench 2024 Single Core

AMD Ryzen 9 3900X

78

AMD Ryzen 7 5800X3D +19%

93

Cinebench 2024 Multi Core

AMD Ryzen 9 3900X +27%

1068

AMD Ryzen 7 5800X3D

835

Geekbench 5 Single Core

AMD Ryzen 9 3900X

1319

AMD Ryzen 7 5800X3D +23%

1628

Geekbench 5 Multi Core

AMD Ryzen 9 3900X +3%

11991

AMD Ryzen 7 5800X3D

11614

Passmark CPU Single Core

AMD Ryzen 9 3900X

2683

AMD Ryzen 7 5800X3D +19%

3196

Passmark CPU Multi Core

AMD Ryzen 9 3900X +15%

32531

AMD Ryzen 7 5800X3D

28112

AMD Ryzen 9 3900X

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AMD Ryzen 7 5800X3D

General Parameters

Jul 2019

Release Date

Mar 2022

AMD

Manufacturer

Amd

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Zen 2

Core Architecture

Zen 3 (Vermeer)

AM4

Socket

AM4

N/A

Integrated Graphics

No

Package

3.8 billions

Transistor Count

-

7 nm

Manufacturing Process

7 nm

AM4

Socket

AM4

105 W

Power Consumption

105 W

95 °C

Peak Operating Temperature

90°C

CPU Performance

12

Performance Cores

8

24

Performance Core Threads

16

3.8 GHz

Performance Core Base Frequency

3.4 GHz

4.6 GHz

Performance Core Turbo Frequency

4.5 GHz

12

Total Core Count

8

24

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

38x

Multiplier

34x

64 K per core

L1 Cache

64 K per core

512 K per core

L2 Cache

512 K per core

64 MB shared

L3 Cache

96 MB shared

Yes

Unlocked Multiplier

No

Memory Parameters

DDR4-3200

Memory Types

DDR4-3200, DDR4-2933, DDR4-2667

128 GB

Max Memory Size

128 GB

2

Max Memory Channels

2

47.68 GB/s

Max Memory Bandwidth

47.68 GB/s

Yes

ECC Memory Support

Yes

Miscellaneous

AMD Ryzen 9 3900X

Official Website

AMD Ryzen 7 5800X3D

4.0

PCIe Version

4.0

16

PCIe Lanes

20

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