AMD Ryzen 7 3800X vs AMD Ryzen 9 3900XT

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We compared two desktop CPUs: AMD Ryzen 7 3800X with 8 cores 3.9GHz 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 7 3800X 's Advantages

Higher base frequency (3.9GHz vs 3.8GHz)

AMD Ryzen 9 3900XT 's Advantages

Released 1 years late

Larger L3 cache size (64MB vs 32MB)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 7 3800X

1341

AMD Ryzen 9 3900XT

1352

Cinebench R23 Multi Core

AMD Ryzen 7 3800X

13863

AMD Ryzen 9 3900XT +32%

18436

Geekbench 6 Single Core

AMD Ryzen 7 3800X

1743

AMD Ryzen 9 3900XT +1%

1763

Geekbench 6 Multi Core

AMD Ryzen 7 3800X

8625

AMD Ryzen 9 3900XT +27%

11025

Cinebench 2024 Single Core

AMD Ryzen 7 3800X

78

AMD Ryzen 9 3900XT +1%

79

Cinebench 2024 Multi Core

AMD Ryzen 7 3800X

712

AMD Ryzen 9 3900XT +50%

1074

Geekbench 5 Single Core

AMD Ryzen 7 3800X +1%

1333

AMD Ryzen 9 3900XT

1311

Geekbench 5 Multi Core

AMD Ryzen 7 3800X

9479

AMD Ryzen 9 3900XT +29%

12279

Passmark CPU Single Core

AMD Ryzen 7 3800X

2695

AMD Ryzen 9 3900XT +2%

2769

Passmark CPU Multi Core

AMD Ryzen 7 3800X

23418

AMD Ryzen 9 3900XT +40%

32856

AMD Ryzen 7 3800X

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AMD Ryzen 9 3900XT

General Parameters

Jul 2019

Release Date

Jul 2020

Amd

Manufacturer

Amd

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Zen 2

Core Architecture

Zen 2 (Matisse)

AM4

Socket

AM4

No

Integrated Graphics

No

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

8

Performance Cores

12

16

Performance Core Threads

24

3.9 GHz

Performance Core Base Frequency

3.8 GHz

4.5 GHz

Performance Core Turbo Frequency

4.7 GHz

8

Total Core Count

12

16

Total Thread Count

24

100 MHz

Bus Frequency

100 MHz

39x

Multiplier

38x

64 K per core

L1 Cache

64 K per core

512 K per core

L2 Cache

512 K per core

32 MB shared

L3 Cache

64 MB shared

Yes

Unlocked Multiplier

Yes

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 7 3800X

Official Website

AMD Ryzen 9 3900XT

4.0

PCIe Version

4.0

16

PCIe Lanes

24

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