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AMD Ryzen Threadripper PRO 3995WX vs AMD Ryzen Threadripper PRO 5945WX: Comparison
What is the difference between Ryzen Threadripper PRO 3995WX and Ryzen Threadripper PRO 5945WX?
On l3 cache the spread is 75%, Ryzen Threadripper PRO 3995WX 256 MB against Ryzen Threadripper PRO 5945WX 64 MB, so Ryzen Threadripper PRO 3995WX takes it. L2 cache runs the same way, 32 MB on the Ryzen Threadripper PRO 3995WX versus 6 MB on the Ryzen Threadripper PRO 5945WX, another win for Ryzen Threadripper PRO 3995WX. Thread count is not the same on both, 128 threads on the Ryzen Threadripper PRO 3995WX versus 24 threads on the Ryzen Threadripper PRO 5945WX. Base clock is not the same on both, 2.7 GHz on the Ryzen Threadripper PRO 3995WX versus 4.1 GHz on the Ryzen Threadripper PRO 5945WX. They differ on memory support too, DDR4-3200 ECC RDIMM on the Ryzen Threadripper PRO 3995WX versus DDR4, 8-Channel, Up to 3200 MT/s on the Ryzen Threadripper PRO 5945WX.
Which should you buy, Ryzen Threadripper PRO 3995WX or Ryzen Threadripper PRO 5945WX?
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. Buy the Ryzen Threadripper PRO 5945WX for mainstream desktop builds and everyday productivity, though it is not built for extreme overclocking (unless K/X-series) and workstation-class multi-threaded workloads.
Where the two are identical
Where they agree, they agree completely, tdp, memory channels, socket, max memory speed and pcie generation included, so the decision does not turn on any of those.
Frequently asked questions
Do the Ryzen Threadripper PRO 3995WX and Ryzen Threadripper PRO 5945WX differ on boost clock?
Yes. Boost Clock reads 4.2 GHz on the Ryzen Threadripper PRO 3995WX versus Up to 4.5 GHz on the Ryzen Threadripper PRO 5945WX.
Specs and benchmarks
Release Year
- AMD Ryzen Threadripper PRO 3995WX
- 2020
- AMD Ryzen Threadripper PRO 5945WX
- 2022
Core Count
- AMD Ryzen Threadripper PRO 3995WX
- 64 cores
- AMD Ryzen Threadripper PRO 5945WX
- 12 cores
Thread Count
- AMD Ryzen Threadripper PRO 3995WX
- 128 threads
- AMD Ryzen Threadripper PRO 5945WX
- 24 threads
Base Clock
- AMD Ryzen Threadripper PRO 3995WX
- 2.7 GHz
- AMD Ryzen Threadripper PRO 5945WX
- 4.1 GHz
Boost Clock
- AMD Ryzen Threadripper PRO 3995WX
- 4.2 GHz
- AMD Ryzen Threadripper PRO 5945WX
- Up to 4.5 GHz
L2 Cache
- AMD Ryzen Threadripper PRO 3995WX
- 32 MBBest
- AMD Ryzen Threadripper PRO 5945WX
- 6 MB-81%
L3 Cache
- AMD Ryzen Threadripper PRO 3995WX
- 256 MBBest
- AMD Ryzen Threadripper PRO 5945WX
- 64 MB-75%
Socket
- AMD Ryzen Threadripper PRO 3995WX
- sWRX8
- AMD Ryzen Threadripper PRO 5945WX
- sWRX8
Memory Channels
- AMD Ryzen Threadripper PRO 3995WX
- 8 channels
- AMD Ryzen Threadripper PRO 5945WX
- 8 channels
Max Memory Speed
- AMD Ryzen Threadripper PRO 3995WX
- 3200 MT/s
- AMD Ryzen Threadripper PRO 5945WX
- 3200 MT/s
PCIe Generation
- AMD Ryzen Threadripper PRO 3995WX
- PCIe 4.0
- AMD Ryzen Threadripper PRO 5945WX
- PCIe 4.0
TDP
- AMD Ryzen Threadripper PRO 3995WX
- 280 W
- AMD Ryzen Threadripper PRO 5945WX
- 280 W
Memory Support
- AMD Ryzen Threadripper PRO 3995WX
- DDR4-3200 ECC RDIMM
- AMD Ryzen Threadripper PRO 5945WX
- DDR4, 8-Channel, Up to 3200 MT/s
Which one should you pick?
Choose 3995WX if you want the higher L2 cache (32 MB vs 6 MB), the higher L3 cache (256 MB vs 64 MB) and the higher memory channels (8 channels vs 8 channels).
Choose 5945WX if you already have it on hand or find it at a lower price.