AMD Ryzen 7 3800XT vs AMD Ryzen 9 3900X

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

Released 1 years late

Higher base frequency (3.9GHz vs 3.8GHz)

AMD Ryzen 9 3900X 's Advantages

Larger L3 cache size (64MB vs 32MB)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 7 3800XT +2%

1352

AMD Ryzen 9 3900X

1313

Cinebench R23 Multi Core

AMD Ryzen 7 3800XT

12960

AMD Ryzen 9 3900X +43%

18656

Geekbench 6 Single Core

AMD Ryzen 7 3800XT

1679

AMD Ryzen 9 3900X +9%

1842

Geekbench 6 Multi Core

AMD Ryzen 7 3800XT

6343

AMD Ryzen 9 3900X +84%

11715

Cinebench 2024 Single Core

AMD Ryzen 7 3800XT +3%

81

AMD Ryzen 9 3900X

78

Cinebench 2024 Multi Core

AMD Ryzen 7 3800XT

734

AMD Ryzen 9 3900X +45%

1068

Geekbench 5 Single Core

AMD Ryzen 7 3800XT

1319

AMD Ryzen 9 3900X

1319

Geekbench 5 Multi Core

AMD Ryzen 7 3800XT

9327

AMD Ryzen 9 3900X +28%

11991

Passmark CPU Single Core

AMD Ryzen 7 3800XT +4%

2793

AMD Ryzen 9 3900X

2683

Passmark CPU Multi Core

AMD Ryzen 7 3800XT

23540

AMD Ryzen 9 3900X +38%

32531

AMD Ryzen 7 3800XT

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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

Core Architecture

Zen 2

AM4

Socket

AM4

N/A

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

8

Performance Cores

12

16

Performance Core Threads

24

3.9 GHz

Performance Core Base Frequency

3.8 GHz

4.7 GHz

Performance Core Turbo Frequency

4.6 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

No

ECC Memory Support

Yes

Miscellaneous

AMD Ryzen 7 3800XT

Official Website

AMD Ryzen 9 3900X

4.0

PCIe Version

4.0

24

PCIe Lanes

16

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