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AMD Ryzen Threadripper PRO 3975WX vs AMD Threadripper PRO 7965WX: Comparison
What is the difference between Ryzen Threadripper PRO 3975WX and Threadripper PRO 7965WX?
Start with l3 cache, because it is the widest measured gap between them: Ryzen Threadripper PRO 3975WX 128 MB against Threadripper PRO 7965WX 152 MB, 16% in favour of Threadripper PRO 7965WX. They differ on release year too, 2020 on the Ryzen Threadripper PRO 3975WX versus 2023 on the Threadripper PRO 7965WX. Core count is not the same on both, 32 cores on the Ryzen Threadripper PRO 3975WX versus 24 cores on the Threadripper PRO 7965WX. There is a split on thread count as well, 64 threads on the Ryzen Threadripper PRO 3975WX versus 48 threads on the Threadripper PRO 7965WX. They differ on base clock too, 3.5 GHz on the Ryzen Threadripper PRO 3975WX versus 4.2 GHz on the Threadripper PRO 7965WX.
Who each one is for
Take the Ryzen Threadripper PRO 3975WX for professional workstation workloads needing genuine 32-core, 64-thread single-socket throughput without the top-tier 64-core price. It is the wrong buy for anyone outside professional workstation use, this is specialized, expensive hardware far beyond consumer needs. The Threadripper PRO 7965WX suits content creators mixing single- and multi-threaded work and software developers with large compile jobs, though it is not built for gaming-focused builds and users on air cooling under 240mm. Our rating of the Threadripper PRO 7965WX (8.9/10): the Threadripper PRO 7965WX is a well-balanced high-core-count chip that handles both single-threaded and parallel workloads without the premium of the top-tier models.
Frequently asked questions
Do the Ryzen Threadripper PRO 3975WX and Threadripper PRO 7965WX differ on boost clock?
Yes. Boost Clock reads 4.2 GHz on the Ryzen Threadripper PRO 3975WX versus 5.3 GHz on the Threadripper PRO 7965WX.
Is the Memory Channels the same on the Ryzen Threadripper PRO 3975WX and Threadripper PRO 7965WX?
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 3975WX
- 2020
- AMD Threadripper PRO 7965WX
- 2023
Core Count
- AMD Ryzen Threadripper PRO 3975WX
- 32 cores
- AMD Threadripper PRO 7965WX
- 24 cores
Thread Count
- AMD Ryzen Threadripper PRO 3975WX
- 64 threads
- AMD Threadripper PRO 7965WX
- 48 threads
Base Clock
- AMD Ryzen Threadripper PRO 3975WX
- 3.5 GHz
- AMD Threadripper PRO 7965WX
- 4.2 GHz
Boost Clock
- AMD Ryzen Threadripper PRO 3975WX
- 4.2 GHz
- AMD Threadripper PRO 7965WX
- 5.3 GHz
L3 Cache
- AMD Ryzen Threadripper PRO 3975WX
- 128 MB-16%
- AMD Threadripper PRO 7965WX
- 152 MBBest
Socket
- AMD Ryzen Threadripper PRO 3975WX
- sWRX8
- AMD Threadripper PRO 7965WX
- sWRX8
Memory Channels
- AMD Ryzen Threadripper PRO 3975WX
- 8 channels
- AMD Threadripper PRO 7965WX
- 8 channels
ECC Support
- AMD Ryzen Threadripper PRO 3975WX
- Yes
- AMD Threadripper PRO 7965WX
- Yes
TDP
- AMD Ryzen Threadripper PRO 3975WX
- 280 W
- AMD Threadripper PRO 7965WX
- 350 W
Memory Support
- AMD Ryzen Threadripper PRO 3975WX
- DDR4-3200 ECC RDIMM
- AMD Threadripper PRO 7965WX
- 8-channel ECC DDR5Best
Which one should you pick?
Choose 3975WX if you want the higher memory channels (8 channels vs 8 channels).
Choose 7965WX if you want the higher L3 cache (152 MB vs 128 MB).
Verdict
AMD Threadripper PRO 7965WX
8.9 / 10 Expert Rating
The Threadripper PRO 7965WX is a well-balanced high-core-count chip that handles both single-threaded and parallel workloads without the premium of the top-tier models.