AMD Ryzen Threadripper PRO 3995WX vs AMD Ryzen Threadripper PRO 3975WX: comparison

Comparison of AMD Ryzen Threadripper PRO 3995WX and AMD Ryzen Threadripper PRO 3975WX: key differences and a full specification table.

Key differences

AMD Ryzen Threadripper PRO 3995WX has more cores (64 vs 32), more threads (128 vs 64) and a larger L3 cache (256 MB vs 128 MB).

At the same time, AMD Ryzen Threadripper PRO 3975WX has a higher base clock (3.5 GHz vs 2.7 GHz).

Both processors match on: maximum clock (4.2 GHz), TDP (280 W), process node (7 nm), memory channels (8), PCIe version (4).

These are specification values: they show differences between the models but do not determine a performance winner. For a specific workload, rely on independent benchmarks.

Key specifications

ParameterAMD Ryzen Threadripper PRO 3995WXAMD Ryzen Threadripper PRO 3975WX
Cores / threads 64 / 128 32 / 64
Max boost clock 4.2 GHz 4.2 GHz
L3 cache 256 MB 128 MB
TDP 280 W 280 W
Process 7 nm 7 nm

Full specification table

Differing values are highlighted. This is not a better/worse rating: numbers from different architectures are not always comparable.

Parameter AMD Ryzen Threadripper PRO 3995WX AMD Ryzen Threadripper PRO 3975WX
General
Codename Castle Peak Castle Peak
Segment Desktop Desktop
Product line AMD Ryzen Threadripper PRO Processors AMD Ryzen Threadripper PRO Processors
Product family AMD Ryzen PRO Processors AMD Ryzen PRO Processors
Process 7 nm 7 nm
Launch date 07/14/2020 07/14/2020
Unlocked for overclocking No No
Operating system support Windows 10 - 64-Bit Edition Windows 10 - 64-Bit Edition
CPU
Cores 64 32
Threads 128 64
Base clock 2.7 GHz 3.5 GHz
Max boost clock 4.2 GHz 4.2 GHz
L1 cache 4 MB 2 MB
L2 cache 32 MB 16 MB
L3 cache 256 MB 128 MB
TDP 280 W 280 W
Memory
Memory types DDR4 DDR4
Memory channels 8 8
Max memory speed 3.2 GHz 3.2 GHz
Graphics
Has integrated graphics No No
I/O and interfaces
PCI Express revision 4 4
Package and thermal
Sockets supported sWRX8 sWRX8
Max CPU configuration 1 1
TJUNCTION 90 °C 90 °C
Security and virtualization
Supported technologies AMD "Zen" Core Architecture AMD "Zen" Core Architecture
Identifiers
Product ID (OEM) 100-000000087 100-000000086
Product ID (Box) 100-100000087WOF 100-100000086WOF

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