AMD Ryzen 9 3900XT vs AMD Ryzen 7 2700X

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We compared two desktop CPUs: AMD Ryzen 9 3900XT with 12 cores 3.8GHz and AMD Ryzen 7 2700X with 8 cores 3.7GHz . 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 2 years and 3 months late

Higher specification of memory (DDR4-3200 vs DDR4-2933)

Larger memory bandwidth (47.68GB/s vs 43.71GB/s)

Newer PCIe version (4.0 vs 3.0)

Higher base frequency (3.8GHz vs 3.7GHz)

Larger L3 cache size (64MB vs 16MB)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 9 3900XT +22%

1352

AMD Ryzen 7 2700X

1102

Cinebench R23 Multi Core

AMD Ryzen 9 3900XT +82%

18436

AMD Ryzen 7 2700X

10107

Geekbench 6 Single Core

AMD Ryzen 9 3900XT +53%

1763

AMD Ryzen 7 2700X

1151

Geekbench 6 Multi Core

AMD Ryzen 9 3900XT +91%

11025

AMD Ryzen 7 2700X

5763

Geekbench 5 Single Core

AMD Ryzen 9 3900XT +22%

1311

AMD Ryzen 7 2700X

1068

Geekbench 5 Multi Core

AMD Ryzen 9 3900XT +67%

12279

AMD Ryzen 7 2700X

7310

Passmark CPU Single Core

AMD Ryzen 9 3900XT +15%

2769

AMD Ryzen 7 2700X

2401

Passmark CPU Multi Core

AMD Ryzen 9 3900XT +87%

32856

AMD Ryzen 7 2700X

17559

AMD Ryzen 9 3900XT

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AMD Ryzen 7 2700X

General Parameters

Jul 2020

Release Date

Apr 2018

Amd

Manufacturer

AMD

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Zen 2 (Matisse)

Core Architecture

Zen+

AM4

Socket

AM4

No

Integrated Graphics

N/A

Package

3.8 billions

Transistor Count

4.8 billions

7 nm

Manufacturing Process

12 nm

AM4

Socket

AM4

105 W

Power Consumption

105 W

95°C

Peak Operating Temperature

85 °C

CPU Performance

12

Performance Cores

8

24

Performance Core Threads

16

3.8 GHz

Performance Core Base Frequency

3.7 GHz

4.7 GHz

Performance Core Turbo Frequency

4.3 GHz

12

Total Core Count

8

24

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

38x

Multiplier

37x

64 K per core

L1 Cache

96 K per core

512 K per core

L2 Cache

512 K per core

64 MB shared

L3 Cache

16 MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR4-3200

Memory Types

DDR4-2933

128 GB

Max Memory Size

64 GB

2

Max Memory Channels

2

47.68 GB/s

Max Memory Bandwidth

43.71 GB/s

Yes

ECC Memory Support

Yes

Miscellaneous

AMD Ryzen 9 3900XT

Official Website

AMD Ryzen 7 2700X

4.0

PCIe Version

3.0

24

PCIe Lanes

20

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