AMD Ryzen 9 3900XT vs AMD Ryzen 7 7700X

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We compared two desktop CPUs: AMD Ryzen 9 3900XT with 12 cores 3.8GHz and AMD Ryzen 7 7700X with 8 cores 4.5GHz . 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 7700X 's Advantages

Released 2 years and 2 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 (4.5GHz vs 3.8GHz)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 9 3900XT

1352

AMD Ryzen 7 7700X +47%

1994

Cinebench R23 Multi Core

AMD Ryzen 9 3900XT

18436

AMD Ryzen 7 7700X +8%

20058

Geekbench 6 Single Core

AMD Ryzen 9 3900XT

1763

AMD Ryzen 7 7700X +60%

2824

Geekbench 6 Multi Core

AMD Ryzen 9 3900XT

11025

AMD Ryzen 7 7700X +34%

14853

Cinebench 2024 Single Core

AMD Ryzen 9 3900XT

79

AMD Ryzen 7 7700X +55%

123

Cinebench 2024 Multi Core

AMD Ryzen 9 3900XT

1074

AMD Ryzen 7 7700X +1%

1087

Blender

AMD Ryzen 9 3900XT

287

AMD Ryzen 7 7700X +14%

329

Geekbench 5 Single Core

AMD Ryzen 9 3900XT

1311

AMD Ryzen 7 7700X +68%

2210

Geekbench 5 Multi Core

AMD Ryzen 9 3900XT

12279

AMD Ryzen 7 7700X +14%

14074

Passmark CPU Single Core

AMD Ryzen 9 3900XT

2769

AMD Ryzen 7 7700X +53%

4263

Passmark CPU Multi Core

AMD Ryzen 9 3900XT

32856

AMD Ryzen 7 7700X +10%

36309

AMD Ryzen 9 3900XT

VS

AMD Ryzen 7 7700X

General Parameters

Jul 2020

Release Date

Sep 2022

Amd

Manufacturer

AMD

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Zen 2 (Matisse)

Core Architecture

Raphael

AM4

Socket

AM5

No

Integrated Graphics

AMD Radeon™ Graphics

Package

3.8 billions

Transistor Count

-

7 nm

Manufacturing Process

5 nm

AM4

Socket

AM5

105 W

Power Consumption

105 W

95°C

Peak Operating Temperature

95 °C

CPU Performance

12

Performance Cores

8

24

Performance Core Threads

16

3.8 GHz

Performance Core Base Frequency

4.5 GHz

4.7 GHz

Performance Core Turbo Frequency

5.4 GHz

12

Total Core Count

8

24

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

38x

Multiplier

45x

64 K per core

L1 Cache

512 KB

512 K per core

L2 Cache

8 MB

64 MB shared

L3 Cache

32 MB

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR4-3200

Memory Types

DDR5-5200

128 GB

Max Memory Size

128 GB

2

Max Memory Channels

2

47.68 GB/s

Max Memory Bandwidth

83.2 GB/s

Yes

ECC Memory Support

-

Graphics Card Parameters

-

Integrated Graphics

true

Miscellaneous

AMD Ryzen 9 3900XT

Official Website

AMD Ryzen 7 7700X

4.0

PCIe Version

5.0

24

PCIe Lanes

24

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