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AMD Ryzen Threadripper PRO 3995WX vs AMD Threadripper PRO 7945WX: Comparison
What is the difference between Ryzen Threadripper PRO 3995WX and Threadripper PRO 7945WX?
Start with l3 cache, because it is the widest measured gap between them: Ryzen Threadripper PRO 3995WX 256 MB against Threadripper PRO 7945WX 76 MB, 70% in favour of Ryzen Threadripper PRO 3995WX. There is a split on core count as well, 64 cores on the Ryzen Threadripper PRO 3995WX versus 12 cores on the Threadripper PRO 7945WX. They differ on thread count too, 128 threads on the Ryzen Threadripper PRO 3995WX versus 24 threads on the Threadripper PRO 7945WX. Base clock is not the same on both, 2.7 GHz on the Ryzen Threadripper PRO 3995WX versus 4.1 GHz on the Threadripper PRO 7945WX.
Which should you buy, Ryzen Threadripper PRO 3995WX or Threadripper PRO 7945WX?
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. The Threadripper PRO 7945WX is the one to take for users entering workstation platforms for the first time and Multi-GPU or multi-NVMe builds needing extra PCIe lanes, though it is not the pick for users who need maximum core count and gaming-only builds. Our rating of the Threadripper PRO 7945WX (8.6/10): the Threadripper PRO 7945WX is the most accessible way into the Threadripper PRO platform, trading some core count for a lower price while keeping the ECC memory support and PCIe lane advantage that define the lineup.
Frequently asked questions
Do the Ryzen Threadripper PRO 3995WX and Threadripper PRO 7945WX differ on boost clock?
Yes. Boost Clock reads 4.2 GHz on the Ryzen Threadripper PRO 3995WX versus 5.3 GHz on the Threadripper PRO 7945WX.
Is the Memory Channels the same on the Ryzen Threadripper PRO 3995WX and Threadripper PRO 7945WX?
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 3995WX
- 2020
- AMD Threadripper PRO 7945WX
- 2023
Core Count
- AMD Ryzen Threadripper PRO 3995WX
- 64 cores
- AMD Threadripper PRO 7945WX
- 12 cores
Thread Count
- AMD Ryzen Threadripper PRO 3995WX
- 128 threads
- AMD Threadripper PRO 7945WX
- 24 threads
Base Clock
- AMD Ryzen Threadripper PRO 3995WX
- 2.7 GHz
- AMD Threadripper PRO 7945WX
- 4.1 GHz
Boost Clock
- AMD Ryzen Threadripper PRO 3995WX
- 4.2 GHz
- AMD Threadripper PRO 7945WX
- 5.3 GHz
L3 Cache
- AMD Ryzen Threadripper PRO 3995WX
- 256 MBBest
- AMD Threadripper PRO 7945WX
- 76 MB-70%
Socket
- AMD Ryzen Threadripper PRO 3995WX
- sWRX8
- AMD Threadripper PRO 7945WX
- sWRX8
Memory Channels
- AMD Ryzen Threadripper PRO 3995WX
- 8 channels
- AMD Threadripper PRO 7945WX
- 8 channels
ECC Support
- AMD Ryzen Threadripper PRO 3995WX
- Yes
- AMD Threadripper PRO 7945WX
- Yes
TDP
- AMD Ryzen Threadripper PRO 3995WX
- 280 W
- AMD Threadripper PRO 7945WX
- 350 W
Memory Support
- AMD Ryzen Threadripper PRO 3995WX
- DDR4-3200 ECC RDIMM
- AMD Threadripper PRO 7945WX
- 8-channel ECC DDR5Best
Which one should you pick?
Choose 3995WX if you want the higher L3 cache (256 MB vs 76 MB) and the higher memory channels (8 channels vs 8 channels).
Choose 7945WX if you already have it on hand or find it at a lower price.
Verdict
AMD Threadripper PRO 7945WX
8.6 / 10 Expert Rating
The Threadripper PRO 7945WX is the most accessible way into the Threadripper PRO platform, trading some core count for a lower price while keeping the ECC memory support and PCIe lane advantage that define the lineup.