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

100MHz

Bus Frequency

100MHz

38x

Multiplier

34x

64K per core

L1 Cache

64K per core

512K per core

L2 Cache

512K per core

64MB shared

L3 Cache

96MB shared

Yes

Unlocked Multiplier

No

Memory Parameters

DDR4-3200

Memory Types

DDR4-3200, DDR4-2933, DDR4-2667

128GB

Max Memory Size

128GB

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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