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AMD Threadripper 9970X vs AMD Threadripper PRO 9955WX: Comparison
What is the difference between Threadripper 9970X and Threadripper PRO 9955WX?
Start with l3 cache, because it is the widest measured gap between them: Threadripper 9970X 160 MB against Threadripper PRO 9955WX 80 MB, 50% in favour of Threadripper 9970X. Add memory channels to that, 4 channels on the Threadripper 9970X versus 8 channels on the Threadripper PRO 9955WX, and the pattern holds. There is a split on base clock as well, 4.0 GHz on the Threadripper 9970X versus 4.1 GHz on the Threadripper PRO 9955WX.
Threadripper 9970X vs Threadripper PRO 9955WX: which one fits your build
The Threadripper 9970X is the one to take for 3D rendering and animation professionals and engineers running CAD/CAM software, though it is not the pick for budget builds and pure gaming rigs. Buy the Threadripper PRO 9955WX for users entering workstation platforms for the first time and Multi-GPU or multi-NVMe builds needing extra PCIe lanes, though it is not built for users who need maximum core count and gaming-only builds. Our rating of the Threadripper 9970X (9.1/10): the Threadripper 9970X delivers workstation-grade multi-threaded performance with strong single-core boost, making it a serious option for professionals who outgrew mainstream desktop platforms. Our rating of the Threadripper PRO 9955WX (8.6/10): the Threadripper PRO 9955WX 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.
What Threadripper 9970X and Threadripper PRO 9955WX have in common
The common ground is wider than the gap: boost clock, tdp, release year, core architecture and socket are identical here. They match on 1 further specification as well.
Frequently asked questions
Do the Threadripper 9970X and Threadripper PRO 9955WX differ on thread count?
Yes. Thread Count reads 64 threads on the Threadripper 9970X versus 32 threads on the Threadripper PRO 9955WX.
Is the ECC Support the same on the Threadripper 9970X and Threadripper PRO 9955WX?
It is. Both are listed at Yes, so it is not a reason to pick one over the other.
Specs and benchmarks
Release Year
- AMD Threadripper 9970X
- 2025
- AMD Threadripper PRO 9955WX
- 2025
Core Count
- AMD Threadripper 9970X
- 32 cores
- AMD Threadripper PRO 9955WX
- 16 cores
Thread Count
- AMD Threadripper 9970X
- 64 threads
- AMD Threadripper PRO 9955WX
- 32 threads
Core Architecture
- AMD Threadripper 9970X
- Zen 5 "Shimada Peak"
- AMD Threadripper PRO 9955WX
- Zen 5 "Shimada Peak"
Base Clock
- AMD Threadripper 9970X
- 4.0 GHz
- AMD Threadripper PRO 9955WX
- 4.1 GHz
Boost Clock
- AMD Threadripper 9970X
- 5.4 GHz
- AMD Threadripper PRO 9955WX
- 5.4 GHz
L3 Cache
- AMD Threadripper 9970X
- 160 MBBest
- AMD Threadripper PRO 9955WX
- 80 MB-50%
Socket
- AMD Threadripper 9970X
- sTR5
- AMD Threadripper PRO 9955WX
- sTR5
Memory Channels
- AMD Threadripper 9970X
- 4 channels-50%
- AMD Threadripper PRO 9955WX
- 8 channelsBest
ECC Support
- AMD Threadripper 9970X
- Yes
- AMD Threadripper PRO 9955WX
- Yes
TDP
- AMD Threadripper 9970X
- 350 W
- AMD Threadripper PRO 9955WX
- 350 W
Memory Support
- AMD Threadripper 9970X
- Quad-channel ECC-capable DDR5
- AMD Threadripper PRO 9955WX
- 8-channel ECC DDR5Best
Which one should you pick?
Choose 9970X if you want the higher L3 cache (160 MB vs 80 MB).
Choose 9955WX if you want the higher memory channels (8 channels vs 4 channels).
Verdict
AMD Threadripper 9970X
9.1 / 10 Expert Rating
The Threadripper 9970X delivers workstation-grade multi-threaded performance with strong single-core boost, making it a serious option for professionals who outgrew mainstream desktop platforms.
AMD Threadripper PRO 9955WX
8.6 / 10 Expert Rating
The Threadripper PRO 9955WX 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.