AMD Ryzen 9 3900XT vs AMD Ryzen 7 5800XT

VS

AMD Ryzen 9 3900XT

AMD Ryzen 7 5800XT

We compared two desktop CPUs: AMD Ryzen 9 3900XT with 12 cores 3.8GHz and AMD Ryzen 7 5800XT with 8 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

Larger L3 cache size (64MB vs 32MB)

AMD Ryzen 7 5800XT 's Advantages

Released 4 years late

Newer PCIe version (4 vs 4.0)

Score

Benchmark

Geekbench 6 Single Core

AMD Ryzen 9 3900XT

1763

AMD Ryzen 7 5800XT +25%

2205

Geekbench 6 Multi Core

AMD Ryzen 9 3900XT +15%

11025

AMD Ryzen 7 5800XT

9519

Cinebench 2024 Single Core

AMD Ryzen 9 3900XT

79

AMD Ryzen 7 5800XT +22%

97

Cinebench 2024 Multi Core

AMD Ryzen 9 3900XT +20%

1074

AMD Ryzen 7 5800XT

888

AMD Ryzen 9 3900XT

VS

AMD Ryzen 7 5800XT

General Parameters

Jul 2020

Release Date

Jul 2024

AMD

Manufacturer

AMD

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Zen 2 (Matisse)

Core Architecture

Vermeer

AM4

Socket

AMD Socket AM4

No

Integrated Graphics

N/A

-

Generation

Ryzen 7 (Zen 3 (Vermeer))

Package

3.8 billions

Transistor Count

4.15 billions

7 nm

Manufacturing Process

7 nm

105 W

Power Consumption

105 W

95°C

Peak Operating Temperature

90°C

-

Foundry

TSMC

-

Die Size

74 mm²

-

I/O Process Size

12 nm

-

I/O Die Size

125 mm²

CPU Performance

12

Performance Cores

8

24

Performance Core Threads

16

3.8 GHz

Performance Core Base Frequency

3.8 GHz

4.7 GHz

Performance Core Turbo Frequency

4.8 GHz

12

Total Core Count

8

24

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

38x

Multiplier

38.0

64 K per core

L1 Cache

64 KB per core

512 K per core

L2 Cache

512 KB per core

64 MB shared

L3 Cache

32 MB

Yes

Unlocked Multiplier

Yes

-

SMP

1

Memory Parameters

DDR4-3200

Memory Types

DDR4-3200

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 5800XT

4.0

PCIe Version

4

24

PCIe Lanes

20

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