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AMD Ryzen Threadripper PRO 3975WX vs AMD Threadripper PRO 7955WX: Comparison
Ryzen Threadripper PRO 3975WX vs Threadripper PRO 7955WX l3 cache compared
The gap that matters here is l3 cache: Ryzen Threadripper PRO 3975WX 128 MB against Threadripper PRO 7955WX 80 MB, which puts Ryzen Threadripper PRO 3975WX 38% ahead. They differ on release year too, 2020 on the Ryzen Threadripper PRO 3975WX versus 2023 on the Threadripper PRO 7955WX. There is a split on core count as well, 32 cores on the Ryzen Threadripper PRO 3975WX versus 16 cores on the Threadripper PRO 7955WX. Thread count is not the same on both, 64 threads on the Ryzen Threadripper PRO 3975WX versus 32 threads on the Threadripper PRO 7955WX. They differ on base clock too, 3.5 GHz on the Ryzen Threadripper PRO 3975WX versus 4.0 GHz on the Threadripper PRO 7955WX.
Ryzen Threadripper PRO 3975WX vs Threadripper PRO 7955WX: which one fits your build
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. Avoid it for anyone outside professional workstation use, this is specialized, expensive hardware far beyond consumer needs. The Threadripper PRO 7955WX is the one to take for users entering workstation platforms for the first time and Multi-GPU or multi-NVMe builds needing extra PCIe lanes, though it is the wrong buy for users who need maximum core count and gaming-only builds. Our rating of the Threadripper PRO 7955WX (8.6/10): the Threadripper PRO 7955WX is the most accessible way into the Threadripper PRO platform, trading some core count for a lower price while keeping the ECC memory support and PCIe lane advantage that define the lineup.
Frequently asked questions
Do the Ryzen Threadripper PRO 3975WX and Threadripper PRO 7955WX 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 7955WX.
Is the Memory Channels the same on the Ryzen Threadripper PRO 3975WX and Threadripper PRO 7955WX?
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 7955WX
- 2023
Core Count
- AMD Ryzen Threadripper PRO 3975WX
- 32 cores
- AMD Threadripper PRO 7955WX
- 16 cores
Thread Count
- AMD Ryzen Threadripper PRO 3975WX
- 64 threads
- AMD Threadripper PRO 7955WX
- 32 threads
Base Clock
- AMD Ryzen Threadripper PRO 3975WX
- 3.5 GHz
- AMD Threadripper PRO 7955WX
- 4.0 GHz
Boost Clock
- AMD Ryzen Threadripper PRO 3975WX
- 4.2 GHz
- AMD Threadripper PRO 7955WX
- 5.3 GHz
L3 Cache
- AMD Ryzen Threadripper PRO 3975WX
- 128 MBBest
- AMD Threadripper PRO 7955WX
- 80 MB-37%
Socket
- AMD Ryzen Threadripper PRO 3975WX
- sWRX8
- AMD Threadripper PRO 7955WX
- sWRX8
Memory Channels
- AMD Ryzen Threadripper PRO 3975WX
- 8 channels
- AMD Threadripper PRO 7955WX
- 8 channels
ECC Support
- AMD Ryzen Threadripper PRO 3975WX
- Yes
- AMD Threadripper PRO 7955WX
- Yes
TDP
- AMD Ryzen Threadripper PRO 3975WX
- 280 W
- AMD Threadripper PRO 7955WX
- 350 W
Memory Support
- AMD Ryzen Threadripper PRO 3975WX
- DDR4-3200 ECC RDIMM
- AMD Threadripper PRO 7955WX
- 8-channel ECC DDR5Best
Which one should you pick?
Choose 3975WX if you want the higher L3 cache (128 MB vs 80 MB) and the higher memory channels (8 channels vs 8 channels).
Choose 7955WX if you already have it on hand or find it at a lower price.
Verdict
AMD Threadripper PRO 7955WX
8.6 / 10 Expert Rating
The Threadripper PRO 7955WX is the most accessible way into the Threadripper PRO platform, trading some core count for a lower price while keeping the ECC memory support and PCIe lane advantage that define the lineup.