AMD Ryzen 9 3900X vs AMD Threadripper PRO 7945WX

VS

AMD Ryzen 9 3900X AMD Threadripper PRO 7945WX

We compared two desktop CPUs: AMD Ryzen 9 3900X with 12 cores 3.8GHz and AMD Threadripper PRO 7945WX 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 3900X 's Advantages

Lower TDP (105W vs 350W)

AMD Threadripper PRO 7945WX 's Advantages

Released 4 years and 3 months late

Higher specification of memory (DDR5-5200 vs DDR4-3200)

Larger memory bandwidth (332.8GB/s vs 47.68GB/s)

Newer PCIe version (5 vs 4.0)

Higher base frequency (4.7GHz vs 3.8GHz)

More modern manufacturing process (5nm vs 7nm)

Score

Benchmark

Geekbench 5 Single Core

AMD Ryzen 9 3900X

1319

AMD Threadripper PRO 7945WX +58%

2091

Geekbench 5 Multi Core

AMD Ryzen 9 3900X

11991

AMD Threadripper PRO 7945WX +69%

20380

AMD Ryzen 9 3900X

VS

AMD Threadripper PRO 7945WX

General Parameters

Jul 2019

Release Date

Oct 2023

AMD

Manufacturer

AMD

Desktop

Type

Desktop

x86-64

Instruction Set

-

Zen 2

Core Architecture

Storm Peak

AM4

Socket

AMD Socket sTR5

N/A

Integrated Graphics

N/A

-

Generation

Ryzen Threadripper (Zen 4 (Storm Peak))

Package

3.8 billions

Transistor Count

13.14 billions

7 nm

Manufacturing Process

5 nm

AM4

Socket

AMD Socket sTR5

105 W

Power Consumption

350 W

95 °C

Peak Operating Temperature

-

Foundry

TSMC

-

Die Size

2x71 mm²

-

I/O Process Size

6 nm

-

I/O Die Size

388 mm²

-

Package

FC-LGA4844

CPU Performance

12

Performance Cores

-

24

Performance Core Threads

-

3.8 GHz

Performance Core Base Frequency

4.7 GHz

4.6 GHz

Performance Core Turbo Frequency

5.3 GHz

12

Total Core Count

12

24

Total Thread Count

24

100 MHz

Bus Frequency

100 MHz

38x

Multiplier

47.0

64 K per core

L1 Cache

64 KB per core

512 K per core

L2 Cache

12 MB

64 MB shared

L3 Cache

64 MB

Yes

Unlocked Multiplier

Yes

-

SMP

1

Memory Parameters

DDR4-3200

Memory Types

DDR5-5200

128 GB

Max Memory Size

2 TB

2

Max Memory Channels

8

47.68 GB/s

Max Memory Bandwidth

332.8 GB/s

Yes

ECC Memory Support

Yes

Miscellaneous

AMD Ryzen 9 3900X

Official Website

AMD Threadripper PRO 7945WX

4.0

PCIe Version

5

16

PCIe Lanes

128

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