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AMD Ryzen Threadripper PRO 3975WX vs AMD Ryzen Threadripper PRO 5995WX: Comparison
Ryzen Threadripper PRO 3975WX vs Ryzen Threadripper PRO 5995WX l3 cache compared
L3 cache is where these two genuinely part company, Ryzen Threadripper PRO 3975WX 128 MB against Ryzen Threadripper PRO 5995WX 256 MB, a 50% lead for Ryzen Threadripper PRO 5995WX. L2 cache runs the same way, 16 MB on the Ryzen Threadripper PRO 3975WX versus 32 MB on the Ryzen Threadripper PRO 5995WX, another win for Ryzen Threadripper PRO 5995WX. There is a split on thread count as well, 64 threads on the Ryzen Threadripper PRO 3975WX versus 128 threads on the Ryzen Threadripper PRO 5995WX. There is a split on base clock as well, 3.5 GHz on the Ryzen Threadripper PRO 3975WX versus 2.7 GHz on the Ryzen Threadripper PRO 5995WX. 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 5995WX.
Which should you buy, Ryzen Threadripper PRO 3975WX or Ryzen Threadripper PRO 5995WX?
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. Buy the Ryzen Threadripper PRO 5995WX for mainstream desktop builds and everyday productivity, though it is the wrong buy for extreme overclocking (unless K/X-series) and workstation-class multi-threaded workloads.
What Ryzen Threadripper PRO 3975WX and Ryzen Threadripper PRO 5995WX have in common
The common ground is wider than the gap: tdp, memory channels, socket, max memory speed and pcie generation are identical here.
Frequently asked questions
Do the Ryzen Threadripper PRO 3975WX and Ryzen Threadripper PRO 5995WX differ on boost clock?
Yes. Boost Clock reads 4.2 GHz on the Ryzen Threadripper PRO 3975WX versus Up to 4.5 GHz on the Ryzen Threadripper PRO 5995WX.
Specs and benchmarks
Release Year
- AMD Ryzen Threadripper PRO 3975WX
- 2020
- AMD Ryzen Threadripper PRO 5995WX
- 2022
Core Count
- AMD Ryzen Threadripper PRO 3975WX
- 32 cores
- AMD Ryzen Threadripper PRO 5995WX
- 64 cores
Thread Count
- AMD Ryzen Threadripper PRO 3975WX
- 64 threads
- AMD Ryzen Threadripper PRO 5995WX
- 128 threads
Base Clock
- AMD Ryzen Threadripper PRO 3975WX
- 3.5 GHz
- AMD Ryzen Threadripper PRO 5995WX
- 2.7 GHz
Boost Clock
- AMD Ryzen Threadripper PRO 3975WX
- 4.2 GHz
- AMD Ryzen Threadripper PRO 5995WX
- Up to 4.5 GHz
L2 Cache
- AMD Ryzen Threadripper PRO 3975WX
- 16 MB-50%
- AMD Ryzen Threadripper PRO 5995WX
- 32 MBBest
L3 Cache
- AMD Ryzen Threadripper PRO 3975WX
- 128 MB-50%
- AMD Ryzen Threadripper PRO 5995WX
- 256 MBBest
Socket
- AMD Ryzen Threadripper PRO 3975WX
- sWRX8
- AMD Ryzen Threadripper PRO 5995WX
- sWRX8
Memory Channels
- AMD Ryzen Threadripper PRO 3975WX
- 8 channels
- AMD Ryzen Threadripper PRO 5995WX
- 8 channels
Max Memory Speed
- AMD Ryzen Threadripper PRO 3975WX
- 3200 MT/s
- AMD Ryzen Threadripper PRO 5995WX
- 3200 MT/s
PCIe Generation
- AMD Ryzen Threadripper PRO 3975WX
- PCIe 4.0
- AMD Ryzen Threadripper PRO 5995WX
- PCIe 4.0
TDP
- AMD Ryzen Threadripper PRO 3975WX
- 280 W
- AMD Ryzen Threadripper PRO 5995WX
- 280 W
Memory Support
- AMD Ryzen Threadripper PRO 3975WX
- DDR4-3200 ECC RDIMM
- AMD Ryzen Threadripper PRO 5995WX
- DDR4, 8-Channel, Up to 3200 MT/s
Which one should you pick?
Choose 3975WX if you want the higher memory channels (8 channels vs 8 channels).
Choose 5995WX if you want the higher L2 cache (32 MB vs 16 MB) and the higher L3 cache (256 MB vs 128 MB).