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AMD Ryzen Threadripper PRO 3955WX vs AMD Threadripper PRO 7985WX: Comparison
What is the difference between Ryzen Threadripper PRO 3955WX and Threadripper PRO 7985WX?
Start with l3 cache, because it is the widest measured gap between them: Ryzen Threadripper PRO 3955WX 64 MB against Threadripper PRO 7985WX 320 MB, 80% in favour of Threadripper PRO 7985WX. There is a split on tdp as well, 280 W on the Ryzen Threadripper PRO 3955WX versus 350 W on the Threadripper PRO 7985WX. They differ on release year too, 2020 on the Ryzen Threadripper PRO 3955WX versus 2023 on the Threadripper PRO 7985WX. Core count is not the same on both, 16 cores on the Ryzen Threadripper PRO 3955WX versus 64 cores on the Threadripper PRO 7985WX. There is a split on thread count as well, 32 threads on the Ryzen Threadripper PRO 3955WX versus 128 threads on the Threadripper PRO 7985WX. They differ on base clock too, 3.9 GHz on the Ryzen Threadripper PRO 3955WX versus 3.2 GHz on the Threadripper PRO 7985WX.
Ryzen Threadripper PRO 3955WX vs Threadripper PRO 7985WX: which one fits your build
Buy the Ryzen Threadripper PRO 3955WX 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. The Threadripper PRO 7985WX suits 3D rendering and animation professionals and engineers running CAD/CAM software, though it is not the pick for budget builds and pure gaming rigs. Our rating of the Threadripper PRO 7985WX (9.1/10): the Threadripper PRO 7985WX delivers workstation-grade multi-threaded performance with strong single-core boost, making it a serious option for professionals who outgrew mainstream desktop platforms.
Frequently asked questions
Do the Ryzen Threadripper PRO 3955WX and Threadripper PRO 7985WX differ on boost clock?
Yes. Boost Clock reads Up to 4.3 GHz on the Ryzen Threadripper PRO 3955WX versus 5.1 GHz on the Threadripper PRO 7985WX.
Is the Memory Channels the same on the Ryzen Threadripper PRO 3955WX and Threadripper PRO 7985WX?
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 3955WX
- 2020
- AMD Threadripper PRO 7985WX
- 2023
Core Count
- AMD Ryzen Threadripper PRO 3955WX
- 16 cores
- AMD Threadripper PRO 7985WX
- 64 cores
Thread Count
- AMD Ryzen Threadripper PRO 3955WX
- 32 threads
- AMD Threadripper PRO 7985WX
- 128 threads
Base Clock
- AMD Ryzen Threadripper PRO 3955WX
- 3.9 GHz
- AMD Threadripper PRO 7985WX
- 3.2 GHz
Boost Clock
- AMD Ryzen Threadripper PRO 3955WX
- Up to 4.3 GHz
- AMD Threadripper PRO 7985WX
- 5.1 GHz
L3 Cache
- AMD Ryzen Threadripper PRO 3955WX
- 64 MB-80%
- AMD Threadripper PRO 7985WX
- 320 MBBest
Socket
- AMD Ryzen Threadripper PRO 3955WX
- sWRX8
- AMD Threadripper PRO 7985WX
- sWRX8
Memory Channels
- AMD Ryzen Threadripper PRO 3955WX
- 8 channels
- AMD Threadripper PRO 7985WX
- 8 channels
TDP
- AMD Ryzen Threadripper PRO 3955WX
- 280 W
- AMD Threadripper PRO 7985WX
- 350 W
Memory Support
- AMD Ryzen Threadripper PRO 3955WX
- DDR4, 8-Channel, Up to 3200 MT/s
- AMD Threadripper PRO 7985WX
- 8-channel ECC DDR5Best
Which one should you pick?
Choose 3955WX if you want the higher memory channels (8 channels vs 8 channels).
Choose 7985WX if you want the higher L3 cache (320 MB vs 64 MB).
Verdict
AMD Threadripper PRO 7985WX
9.1 / 10 Expert Rating
The Threadripper PRO 7985WX delivers workstation-grade multi-threaded performance with strong single-core boost, making it a serious option for professionals who outgrew mainstream desktop platforms.