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AMD Ryzen Threadripper PRO 3995WX vs AMD Threadripper PRO 7975WX: Comparison
Ryzen Threadripper PRO 3995WX vs Threadripper PRO 7975WX: the l3 cache difference
The gap that matters here is l3 cache: Ryzen Threadripper PRO 3995WX 256 MB against Threadripper PRO 7975WX 160 MB, which puts Ryzen Threadripper PRO 3995WX 38% ahead. They differ on tdp too, 280 W on the Ryzen Threadripper PRO 3995WX versus 350 W on the Threadripper PRO 7975WX. There is a split on release year as well, 2020 on the Ryzen Threadripper PRO 3995WX versus 2023 on the Threadripper PRO 7975WX. Core count is not the same on both, 64 cores on the Ryzen Threadripper PRO 3995WX versus 32 cores on the Threadripper PRO 7975WX. They differ on thread count too, 128 threads on the Ryzen Threadripper PRO 3995WX versus 64 threads on the Threadripper PRO 7975WX. There is a split on base clock as well, 2.7 GHz on the Ryzen Threadripper PRO 3995WX versus 4.0 GHz on the Threadripper PRO 7975WX.
Which should you buy, Ryzen Threadripper PRO 3995WX or Threadripper PRO 7975WX?
Take the Ryzen Threadripper PRO 3995WX for the most demanding professional workstation workloads needing genuine 64-core, 128-thread single-socket throughput. Avoid it for anyone outside extreme professional workstation use, this is specialized, expensive hardware far beyond consumer or gaming needs. The Threadripper PRO 7975WX is the one to take for 3D rendering and animation professionals and engineers running CAD/CAM software, though it is not built for budget builds and pure gaming rigs. Our rating of the Threadripper PRO 7975WX (9.1/10): the Threadripper PRO 7975WX delivers workstation-grade multi-threaded performance with strong single-core boost, making it a serious option for professionals who outgrew mainstream desktop platforms.
Frequently asked questions
Do the Ryzen Threadripper PRO 3995WX and Threadripper PRO 7975WX differ on boost clock?
Yes. Boost Clock reads 4.2 GHz on the Ryzen Threadripper PRO 3995WX versus 5.3 GHz on the Threadripper PRO 7975WX.
Is the Memory Channels the same on the Ryzen Threadripper PRO 3995WX and Threadripper PRO 7975WX?
It is. Both are listed at 8 channels, so it is not a reason to pick one over the other.
Specs and benchmarks
Release Year
- AMD Ryzen Threadripper PRO 3995WX
- 2020
- AMD Threadripper PRO 7975WX
- 2023
Core Count
- AMD Ryzen Threadripper PRO 3995WX
- 64 cores
- AMD Threadripper PRO 7975WX
- 32 cores
Thread Count
- AMD Ryzen Threadripper PRO 3995WX
- 128 threads
- AMD Threadripper PRO 7975WX
- 64 threads
Base Clock
- AMD Ryzen Threadripper PRO 3995WX
- 2.7 GHz
- AMD Threadripper PRO 7975WX
- 4.0 GHz
Boost Clock
- AMD Ryzen Threadripper PRO 3995WX
- 4.2 GHz
- AMD Threadripper PRO 7975WX
- 5.3 GHz
L3 Cache
- AMD Ryzen Threadripper PRO 3995WX
- 256 MBBest
- AMD Threadripper PRO 7975WX
- 160 MB-37%
Socket
- AMD Ryzen Threadripper PRO 3995WX
- sWRX8
- AMD Threadripper PRO 7975WX
- sWRX8
Memory Channels
- AMD Ryzen Threadripper PRO 3995WX
- 8 channels
- AMD Threadripper PRO 7975WX
- 8 channels
ECC Support
- AMD Ryzen Threadripper PRO 3995WX
- Yes
- AMD Threadripper PRO 7975WX
- Yes
TDP
- AMD Ryzen Threadripper PRO 3995WX
- 280 W
- AMD Threadripper PRO 7975WX
- 350 W
Memory Support
- AMD Ryzen Threadripper PRO 3995WX
- DDR4-3200 ECC RDIMM
- AMD Threadripper PRO 7975WX
- 8-channel ECC DDR5Best
Which one should you pick?
Choose 3995WX if you want the higher L3 cache (256 MB vs 160 MB) and the higher memory channels (8 channels vs 8 channels).
Choose 7975WX if you already have it on hand or find it at a lower price.
Verdict
AMD Threadripper PRO 7975WX
9.1 / 10 Expert Rating
The Threadripper PRO 7975WX delivers workstation-grade multi-threaded performance with strong single-core boost, making it a serious option for professionals who outgrew mainstream desktop platforms.




