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AMD Ryzen Threadripper PRO 3975WX vs AMD Ryzen Threadripper PRO 5975WX: Comparison
Ryzen Threadripper PRO 3975WX vs Ryzen Threadripper PRO 5975WX: the boost clock difference
They are built to different briefs, and boost clock shows it, Ryzen Threadripper PRO 3975WX 4.2 GHz against Ryzen Threadripper PRO 5975WX Up to 4.5 GHz. Release year is not the same on both, 2020 on the Ryzen Threadripper PRO 3975WX versus 2022 on the Ryzen Threadripper PRO 5975WX. There is a split on base clock as well, 3.5 GHz on the Ryzen Threadripper PRO 3975WX versus 3.6 GHz on the Ryzen Threadripper PRO 5975WX. They differ on memory support too, DDR4-3200 ECC RDIMM on the Ryzen Threadripper PRO 3975WX versus DDR4, 8-Channel, Up to 3200 MT/s on the Ryzen Threadripper PRO 5975WX.
Which should you buy, Ryzen Threadripper PRO 3975WX or Ryzen Threadripper PRO 5975WX?
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 not the one for anyone outside professional workstation use, this is specialized, expensive hardware far beyond consumer needs. The Ryzen Threadripper PRO 5975WX suits mainstream desktop builds and everyday productivity, though it is not the pick for extreme overclocking (unless K/X-series) and workstation-class multi-threaded workloads.
What Ryzen Threadripper PRO 3975WX and Ryzen Threadripper PRO 5975WX have in common
Where they agree, they agree completely, tdp, l3 cache, memory channels, core count and thread count included, so the decision does not turn on any of those. They match on 4 further specifications as well.
Frequently asked questions
Is the L2 Cache the same on the Ryzen Threadripper PRO 3975WX and Ryzen Threadripper PRO 5975WX?
It is. Both are listed at 16 MB, so it is not a reason to pick one over the other.
Specs and benchmarks
Release Year
- AMD Ryzen Threadripper PRO 3975WX
- 2020
- AMD Ryzen Threadripper PRO 5975WX
- 2022
Core Count
- AMD Ryzen Threadripper PRO 3975WX
- 32 cores
- AMD Ryzen Threadripper PRO 5975WX
- 32 cores
Thread Count
- AMD Ryzen Threadripper PRO 3975WX
- 64 threads
- AMD Ryzen Threadripper PRO 5975WX
- 64 threads
Base Clock
- AMD Ryzen Threadripper PRO 3975WX
- 3.5 GHz
- AMD Ryzen Threadripper PRO 5975WX
- 3.6 GHz
Boost Clock
- AMD Ryzen Threadripper PRO 3975WX
- 4.2 GHz
- AMD Ryzen Threadripper PRO 5975WX
- Up to 4.5 GHz
L2 Cache
- AMD Ryzen Threadripper PRO 3975WX
- 16 MB
- AMD Ryzen Threadripper PRO 5975WX
- 16 MB
L3 Cache
- AMD Ryzen Threadripper PRO 3975WX
- 128 MB
- AMD Ryzen Threadripper PRO 5975WX
- 128 MB
Socket
- AMD Ryzen Threadripper PRO 3975WX
- sWRX8
- AMD Ryzen Threadripper PRO 5975WX
- sWRX8
Memory Channels
- AMD Ryzen Threadripper PRO 3975WX
- 8 channels
- AMD Ryzen Threadripper PRO 5975WX
- 8 channels
Max Memory Speed
- AMD Ryzen Threadripper PRO 3975WX
- 3200 MT/s
- AMD Ryzen Threadripper PRO 5975WX
- 3200 MT/s
PCIe Generation
- AMD Ryzen Threadripper PRO 3975WX
- PCIe 4.0
- AMD Ryzen Threadripper PRO 5975WX
- PCIe 4.0
TDP
- AMD Ryzen Threadripper PRO 3975WX
- 280 W
- AMD Ryzen Threadripper PRO 5975WX
- 280 W
Memory Support
- AMD Ryzen Threadripper PRO 3975WX
- DDR4-3200 ECC RDIMM
- AMD Ryzen Threadripper PRO 5975WX
- DDR4, 8-Channel, Up to 3200 MT/s
Which one should you pick?
Choose 3975WX if you want the higher L2 cache (16 MB vs 16 MB), the higher L3 cache (128 MB vs 128 MB) and the higher memory channels (8 channels vs 8 channels).
Choose 5975WX if you already have it on hand or find it at a lower price.