Ryzen Threadripper PRO 3945WX

General

Manufacturer

AMD

Family

Ryzen Threadripper PRO

Codename

Castle Peak

Microarchitecture

Zen 2

Type

Desktop

Instruction set

x86-64

Release date

July 2020

Socket

sTRX4

Memory

DDR4-3200

Product page

amd.com ↗

Performance

Cores

12

Threads

24

Base clock

4 GHz

Boost clock

4.3 GHz

L2 cache

6 MB

L3 cache

64 MB

TDP

280 W

Process

7 nm

Extensions

MMXSSESSE2SSE3SSSE3SSE4aSSE4.1SSE4.2AESAVXF16CFMA3AVX2SHA

SPEC CPU

SPECrate 2017 Integer (base)

111 ↗

SPECrate 2017 Floating Point (base)

113 ↗

Highest published base result on a system with one processor. Each score links to its result at spec.org; retrieved Nov 10, 2026.

SPEC CPU 2017 was retired in November 2026: no new results are published, and its scores cannot be compared with SPEC CPU 2026.

SPEC, SPECrate and SPEC CPU are registered trademarks of the Standard Performance Evaluation Corporation (SPEC).