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AMD Ryzen Threadripper PRO 3995WX vs AMD Ryzen Threadripper PRO 5955WX: Comparison
What is the difference between Ryzen Threadripper PRO 3995WX and Ryzen Threadripper PRO 5955WX?
Start with l3 cache, because it is the widest measured gap between them: Ryzen Threadripper PRO 3995WX 256 MB against Ryzen Threadripper PRO 5955WX 64 MB, 75% in favour of Ryzen Threadripper PRO 3995WX. L2 cache runs the same way, 32 MB on the Ryzen Threadripper PRO 3995WX versus 8 MB on the Ryzen Threadripper PRO 5955WX, another win for Ryzen Threadripper PRO 3995WX. There is a split on thread count as well, 128 threads on the Ryzen Threadripper PRO 3995WX versus 32 threads on the Ryzen Threadripper PRO 5955WX. They differ on base clock too, 2.7 GHz on the Ryzen Threadripper PRO 3995WX versus 4 GHz on the Ryzen Threadripper PRO 5955WX. Memory support is not the same on both, DDR4-3200 ECC RDIMM on the Ryzen Threadripper PRO 3995WX versus DDR4, 8-Channel, Up to 3200 MT/s on the Ryzen Threadripper PRO 5955WX.
Who each one is for
Take the Ryzen Threadripper PRO 3995WX for the most demanding professional workstation workloads needing genuine 64-core, 128-thread single-socket throughput. It is the wrong buy for anyone outside extreme professional workstation use, this is specialized, expensive hardware far beyond consumer or gaming needs. Buy the Ryzen Threadripper PRO 5955WX for 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 3995WX and Ryzen Threadripper PRO 5955WX have in common
Everything else lines up. Tdp, memory channels, socket, max memory speed and pcie generation read the same on both, so those are not worth weighing.
Frequently asked questions
Do the Ryzen Threadripper PRO 3995WX and Ryzen Threadripper PRO 5955WX 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 5955WX.
Specs and benchmarks
Release Year
- AMD Ryzen Threadripper PRO 3995WX
- 2020
- AMD Ryzen Threadripper PRO 5955WX
- 2022
Core Count
- AMD Ryzen Threadripper PRO 3995WX
- 64 cores
- AMD Ryzen Threadripper PRO 5955WX
- 16 cores
Thread Count
- AMD Ryzen Threadripper PRO 3995WX
- 128 threads
- AMD Ryzen Threadripper PRO 5955WX
- 32 threads
Base Clock
- AMD Ryzen Threadripper PRO 3995WX
- 2.7 GHz
- AMD Ryzen Threadripper PRO 5955WX
- 4 GHz
Boost Clock
- AMD Ryzen Threadripper PRO 3995WX
- 4.2 GHz
- AMD Ryzen Threadripper PRO 5955WX
- Up to 4.5 GHz
L2 Cache
- AMD Ryzen Threadripper PRO 3995WX
- 32 MBBest
- AMD Ryzen Threadripper PRO 5955WX
- 8 MB-75%
L3 Cache
- AMD Ryzen Threadripper PRO 3995WX
- 256 MBBest
- AMD Ryzen Threadripper PRO 5955WX
- 64 MB-75%
Socket
- AMD Ryzen Threadripper PRO 3995WX
- sWRX8
- AMD Ryzen Threadripper PRO 5955WX
- sWRX8
Memory Channels
- AMD Ryzen Threadripper PRO 3995WX
- 8 channels
- AMD Ryzen Threadripper PRO 5955WX
- 8 channels
Max Memory Speed
- AMD Ryzen Threadripper PRO 3995WX
- 3200 MT/s
- AMD Ryzen Threadripper PRO 5955WX
- 3200 MT/s
PCIe Generation
- AMD Ryzen Threadripper PRO 3995WX
- PCIe 4.0
- AMD Ryzen Threadripper PRO 5955WX
- PCIe 4.0
TDP
- AMD Ryzen Threadripper PRO 3995WX
- 280 W
- AMD Ryzen Threadripper PRO 5955WX
- 280 W
Memory Support
- AMD Ryzen Threadripper PRO 3995WX
- DDR4-3200 ECC RDIMM
- AMD Ryzen Threadripper PRO 5955WX
- 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 8 MB), the higher L3 cache (256 MB vs 64 MB) and the higher memory channels (8 channels vs 8 channels).
Choose 5955WX if you already have it on hand or find it at a lower price.