AMD Ryzen 9 7900X3D vs AMD Ryzen 9 3900XT

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We compared two desktop CPUs: AMD Ryzen 9 7900X3D with 12 cores 4.4GHz and AMD Ryzen 9 3900XT 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 7900X3D 's Advantages

Released 2 years and 6 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 (4.4GHz vs 3.8GHz)

Larger L3 cache size (128MB vs 64MB)

More modern manufacturing process (5nm vs 7nm)

AMD Ryzen 9 3900XT 's Advantages

Lower TDP (105W vs 120W)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 9 7900X3D +50%

2039

AMD Ryzen 9 3900XT

1352

Cinebench R23 Multi Core

AMD Ryzen 9 7900X3D +46%

27084

AMD Ryzen 9 3900XT

18436

Geekbench 6 Single Core

AMD Ryzen 9 7900X3D +68%

2971

AMD Ryzen 9 3900XT

1763

Geekbench 6 Multi Core

AMD Ryzen 9 7900X3D +64%

18105

AMD Ryzen 9 3900XT

11025

Cinebench 2024 Single Core

AMD Ryzen 9 7900X3D +55%

123

AMD Ryzen 9 3900XT

79

Cinebench 2024 Multi Core

AMD Ryzen 9 7900X3D +48%

1596

AMD Ryzen 9 3900XT

1074

Blender

AMD Ryzen 9 7900X3D +43%

413

AMD Ryzen 9 3900XT

287

Geekbench 5 Single Core

AMD Ryzen 9 7900X3D +66%

2180

AMD Ryzen 9 3900XT

1311

Geekbench 5 Multi Core

AMD Ryzen 9 7900X3D +58%

19407

AMD Ryzen 9 3900XT

12279

Passmark CPU Single Core

AMD Ryzen 9 7900X3D +48%

4119

AMD Ryzen 9 3900XT

2769

Passmark CPU Multi Core

AMD Ryzen 9 7900X3D +53%

50486

AMD Ryzen 9 3900XT

32856

AMD Ryzen 9 7900X3D

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AMD Ryzen 9 3900XT

General Parameters

Jan 2023

Release Date

Jul 2020

Amd

Manufacturer

Amd

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Zen 4 (Raphael)

Core Architecture

Zen 2 (Matisse)

AM5

Socket

AM4

Radeon Graphics (Ryzen 7000)

Integrated Graphics

No

Package

13.1 billions

Transistor Count

3.8 billions

5 nm

Manufacturing Process

7 nm

AM5

Socket

AM4

120 W

Power Consumption

105 W

162 W

Max Turbo Power Consumption

-

89°C

Peak Operating Temperature

95°C

CPU Performance

12

Performance Cores

12

24

Performance Core Threads

24

4.4 GHz

Performance Core Base Frequency

3.8 GHz

5.6 GHz

Performance Core Turbo Frequency

4.7 GHz

12

Total Core Count

12

24

Total Thread Count

24

100 MHz

Bus Frequency

100 MHz

44x

Multiplier

38x

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

512 K per core

128 MB shared

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

Yes

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

-

1500 MHz

GPU Base Frequency

-

2200 MHz

GPU Max Dynamic Frequency

-

448

Shader Units

-

8

Texture Units

-

4

Raster Operation Units

-

2

Execution Units

-

15 W

Power Consumption

-

1.43 TFLOPS

Graphics Performance

-

Miscellaneous

AMD Ryzen 9 7900X3D

Official Website

AMD Ryzen 9 3900XT

5.0

PCIe Version

4.0

28

PCIe Lanes

24

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