AMD Ryzen 9 3900XT vs AMD Ryzen 7 5800X3D

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We compared two desktop CPUs: AMD Ryzen 9 3900XT 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 3900XT 's Advantages

Higher base frequency (3.8GHz vs 3.4GHz)

AMD Ryzen 7 5800X3D 's Advantages

Released 1 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 3900XT

1352

AMD Ryzen 7 5800X3D +9%

1476

Cinebench R23 Multi Core

AMD Ryzen 9 3900XT +27%

18436

AMD Ryzen 7 5800X3D

14514

Geekbench 6 Single Core

AMD Ryzen 9 3900XT

1763

AMD Ryzen 7 5800X3D +21%

2144

Geekbench 6 Multi Core

AMD Ryzen 9 3900XT

11025

AMD Ryzen 7 5800X3D +3%

11358

Cinebench 2024 Single Core

AMD Ryzen 9 3900XT

79

AMD Ryzen 7 5800X3D +17%

93

Cinebench 2024 Multi Core

AMD Ryzen 9 3900XT +28%

1074

AMD Ryzen 7 5800X3D

835

Blender

AMD Ryzen 9 3900XT +9%

287

AMD Ryzen 7 5800X3D

261

Geekbench 5 Single Core

AMD Ryzen 9 3900XT

1311

AMD Ryzen 7 5800X3D +24%

1628

Geekbench 5 Multi Core

AMD Ryzen 9 3900XT +5%

12279

AMD Ryzen 7 5800X3D

11614

Passmark CPU Single Core

AMD Ryzen 9 3900XT

2769

AMD Ryzen 7 5800X3D +15%

3196

Passmark CPU Multi Core

AMD Ryzen 9 3900XT +16%

32856

AMD Ryzen 7 5800X3D

28112

AMD Ryzen 9 3900XT

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AMD Ryzen 7 5800X3D

General Parameters

Jul 2020

Release Date

Mar 2022

Amd

Manufacturer

Amd

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Zen 2 (Matisse)

Core Architecture

Zen 3 (Vermeer)

AM4

Socket

AM4

No

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

4.7 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 3900XT

Official Website

AMD Ryzen 7 5800X3D

4.0

PCIe Version

4.0

24

PCIe Lanes

20

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