AMD Ryzen 9 3900XT vs AMD Ryzen 9 3900X

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We compared two desktop CPUs: AMD Ryzen 9 3900XT with 12 cores 3.8GHz 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 9 3900XT's Advantages

Released 1 years late

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 9 3900XT +3%

1352

AMD Ryzen 9 3900X

1302

Cinebench R23 Multi Core

AMD Ryzen 9 3900XT

18391

AMD Ryzen 9 3900X

18529

Geekbench 6 Single Core

AMD Ryzen 9 3900XT

1763

AMD Ryzen 9 3900X +4%

1842

Geekbench 6 Multi Core

AMD Ryzen 9 3900XT

11025

AMD Ryzen 9 3900X +6%

11715

Cinebench 2024 Single Core

AMD Ryzen 9 3900XT +1%

79

AMD Ryzen 9 3900X

78

Cinebench 2024 Multi Core

AMD Ryzen 9 3900XT

1074

AMD Ryzen 9 3900X

1068

Geekbench 5 Single Core

AMD Ryzen 9 3900XT

1311

AMD Ryzen 9 3900X

1319

Geekbench 5 Multi Core

AMD Ryzen 9 3900XT +2%

12279

AMD Ryzen 9 3900X

11991

Passmark CPU Single Core

AMD Ryzen 9 3900XT +3%

2769

AMD Ryzen 9 3900X

2683

Passmark CPU Multi Core

AMD Ryzen 9 3900XT

32856

AMD Ryzen 9 3900X

32531

AMD Ryzen 9 3900XT

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AMD Ryzen 9 3900X

General Parameters

Jul 2020

Release Date

Jul 2019

Amd

Manufacturer

AMD

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Zen 2 (Matisse)

Core Architecture

Zen 2

AM4

Socket

AM4

No

Integrated Graphics

N/A

Package

3.8 billions

Transistor Count

3.8 billions

7 nm

Manufacturing Process

7 nm

AM4

Socket

AM4

105 W

Power Consumption

105 W

95°C

Peak Operating Temperature

95 °C

CPU Performance

12

Performance Cores

12

24

Performance Core Threads

24

3.8 GHz

Performance Core Base Frequency

3.8 GHz

4.7 GHz

Performance Core Turbo Frequency

4.6 GHz

12

Total Core Count

12

24

Total Thread Count

24

100MHz

Bus Frequency

100MHz

38x

Multiplier

38x

64K per core

L1 Cache

64K per core

512K per core

L2 Cache

512K per core

64MB shared

L3 Cache

64MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR4-3200

Memory Types

DDR4-3200

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 3900XT

Official Website

AMD Ryzen 9 3900X

4.0

PCIe Version

4.0

24

PCIe Lanes

16

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