AMD Ryzen Threadripper PRO 3945WX Processor

Last updated: 28 December 2021

Ryzen Threadripper PRO 3945WX is a desktop processor from AMD released on 14 July 2020, and it is in active production status now. It belongs to Ryzen Threadripper family and has a Matisse architecture. This processor is built on AMD Socket WRX8, and uses Gen 4, 128 Lanes(CPU only) PCI express connection. 7 nm process is used in production.

Processor has 12 cores and 24 threads, with the base frequency of 4 GHz. It has DDR4-3200 MHz Eight-channel memory support. As for the cache, it supports L1 64K (per core), L2 512K (per core) and L3 64MB.

Learn more about AMD Ryzen Threadripper PRO 3945WX:

Specifications
Drivers

Specifications

Vertical Segment: Desktop
Release date: 14 July 2020
Production status: Active
Generation: Ryzen Threadripper
Codename: Matisse
Socket: AMD Socket WRX8
Total Cores: 12

Total Threads: 24
Frequency: 4 GHz
Turbo clock: up to 4.3 GHz
Cache L1: 64K (per core)
Cache L2: 512K (per core)
Cache L3: 64MB
TDP: 280 W

Physical Specifications

Socket: AMD Socket WRX8
Foundry: TSMC
Process size: 7 nm
Transistors: 3,800 million

Die size: 74 mm²
Package: sWRX8
tCaseMax: 95°C

Performance

Frequency: 4 GHz
Turbo clock: up to 4.3 GHz
Base clock: 100 MHz
Multiplier: 40.0x

Multiplier unlocked: No
TDP: 280 W
FP32: 2,476.8 GFLOPS

Architecture Details

Vertical Segment: Desktop
Production status: Active
Release date: 14 July 2020
Codename: Matisse
Generation: Ryzen Threadripper

Part: 100-000000168
Memory support: DDR4-3200 MHz Eight-channel
ECC memory: Yes
PCI Express: Gen 4, 128 Lanes(CPU only)

Cores

Total Cores: 12
Total Threads: 24

SMP # CPUs: 1
Integrated graphics: N/A

Cache

Cache L1: 64K (per core)
Cache L2: 512K (per core)

Cache L3: 64MB

Notes

Notes: This processor comes with an unlocked base clock multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking.

Features & Technologies

MMX
SSE
SSE2
SSE3
SSSE3
SSE4A
SSE4.1
SSE4.2
AES
AVX
AVX2
BMI1

BMI2
SHA
F16C
FMA3
AMD64
EVP
AMD-V
SMAP
SMEP
Precision Boost 2
XFR 2
SMT

Drivers

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