AMD Ryzen 9 3950X vs AMD Ryzen 9 7900X

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We compared two desktop CPUs: AMD Ryzen 9 3950X with 16 cores 3.5GHz and AMD Ryzen 9 7900X with 12 cores 4.7GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 9 3950X 's Advantages

Lower TDP (105W vs 170W)

AMD Ryzen 9 7900X 's Advantages

Released 2 years and 10 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 (4.7GHz vs 3.5GHz)

More modern manufacturing process (5nm vs 7nm)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 9 3950X

1331

AMD Ryzen 9 7900X +52%

2033

Cinebench R23 Multi Core

AMD Ryzen 9 3950X

24018

AMD Ryzen 9 7900X +21%

29242

Geekbench 6 Single Core

AMD Ryzen 9 3950X

1709

AMD Ryzen 9 7900X +72%

2942

Geekbench 6 Multi Core

AMD Ryzen 9 3950X

11656

AMD Ryzen 9 7900X +63%

19092

Cinebench 2024 Single Core

AMD Ryzen 9 3950X

72

AMD Ryzen 9 7900X +68%

121

Cinebench 2024 Multi Core

AMD Ryzen 9 3950X

1325

AMD Ryzen 9 7900X +21%

1614

Geekbench 5 Single Core

AMD Ryzen 9 3950X

1279

AMD Ryzen 9 7900X +78%

2277

Geekbench 5 Multi Core

AMD Ryzen 9 3950X

14487

AMD Ryzen 9 7900X +41%

20503

Passmark CPU Single Core

AMD Ryzen 9 3950X

2692

AMD Ryzen 9 7900X +60%

4317

Passmark CPU Multi Core

AMD Ryzen 9 3950X

38953

AMD Ryzen 9 7900X +33%

52013

AMD Ryzen 9 3950X

VS

AMD Ryzen 9 7900X

General Parameters

Nov 2019

Release Date

Sep 2022

AMD

Manufacturer

AMD

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Zen 2

Core Architecture

Raphael

AM4

Socket

AM5

N/A

Integrated Graphics

AMD Radeon™ Graphics

Package

3.8 billions

Transistor Count

-

7 nm

Manufacturing Process

5 nm

AM4

Socket

AM5

105 W

Power Consumption

170 W

-

Peak Operating Temperature

95 °C

CPU Performance

16

Performance Cores

12

32

Performance Core Threads

24

3.5 GHz

Performance Core Base Frequency

4.7 GHz

Performance Core Turbo Frequency

5.6 GHz

16

Total Core Count

12

32

Total Thread Count

24

100 MHz

Bus Frequency

100 MHz

35x

Multiplier

47x

64 K per core

L1 Cache

-

512 K per core

L2 Cache

12 MB shared

64 MB shared

L3 Cache

64 MB shared

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 3950X

Official Website

AMD Ryzen 9 7900X

4.0

PCIe Version

5.0

16

PCIe Lanes

24

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