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AMD Threadripper 9970X vs AMD Threadripper PRO 9985WX: Comparison
Threadripper 9970X vs Threadripper PRO 9985WX: the l3 cache difference
On l3 cache the spread is 50%, Threadripper 9970X 160 MB against Threadripper PRO 9985WX 320 MB, so Threadripper PRO 9985WX takes it. Measured rather than claimed: in Blender Cycles (CPU) the Threadripper PRO 9985WX returns 2,146 against 1,177 over 15 runs, a 45% lead. Memory channels runs the same way, 4 channels on the Threadripper 9970X versus 8 channels on the Threadripper PRO 9985WX, another win for Threadripper PRO 9985WX. There is a split on base clock as well, 4.0 GHz on the Threadripper 9970X versus 3.2 GHz on the Threadripper PRO 9985WX.
Threadripper 9970X vs Threadripper PRO 9985WX: which one fits your build
The Threadripper 9970X suits 3D rendering and animation professionals and engineers running CAD/CAM software, though it is not built for budget builds and pure gaming rigs. Buy the Threadripper PRO 9985WX 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. 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 9985WX (9.1/10): the Threadripper PRO 9985WX delivers workstation-grade multi-threaded performance with strong single-core boost, making it a serious option for professionals who outgrew mainstream desktop platforms.
Where the two are identical
Everything else lines up. Boost clock, tdp, release year, core architecture and socket read the same on both, so those are not worth weighing. They match on 1 further specification as well.
Frequently asked questions
Do the Threadripper 9970X and Threadripper PRO 9985WX differ on core count?
Yes. Core Count reads 32 cores on the Threadripper 9970X versus 64 cores on the Threadripper PRO 9985WX.
Is the ECC Support the same on the Threadripper 9970X and Threadripper PRO 9985WX?
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 9985WX
- 2025
Core Count
- AMD Threadripper 9970X
- 32 cores
- AMD Threadripper PRO 9985WX
- 64 cores
Thread Count
- AMD Threadripper 9970X
- 64 threads
- AMD Threadripper PRO 9985WX
- 128 threads
Core Architecture
- AMD Threadripper 9970X
- Zen 5 "Shimada Peak"
- AMD Threadripper PRO 9985WX
- Zen 5 "Shimada Peak"
Base Clock
- AMD Threadripper 9970X
- 4.0 GHz
- AMD Threadripper PRO 9985WX
- 3.2 GHz
Boost Clock
- AMD Threadripper 9970X
- 5.4 GHz
- AMD Threadripper PRO 9985WX
- 5.4 GHz
L3 Cache
- AMD Threadripper 9970X
- 160 MB-50%
- AMD Threadripper PRO 9985WX
- 320 MBBest
Socket
- AMD Threadripper 9970X
- sTR5
- AMD Threadripper PRO 9985WX
- sTR5
Memory Channels
- AMD Threadripper 9970X
- 4 channels-50%
- AMD Threadripper PRO 9985WX
- 8 channelsBest
ECC Support
- AMD Threadripper 9970X
- Yes
- AMD Threadripper PRO 9985WX
- Yes
TDP
- AMD Threadripper 9970X
- 350 W
- AMD Threadripper PRO 9985WX
- 350 W
Memory Support
- AMD Threadripper 9970X
- Quad-channel ECC-capable DDR5
- AMD Threadripper PRO 9985WX
- 8-channel ECC DDR5Best
Benchmarks
- 3D Rendering
Blender Cycles (CPU)
- AMD Threadripper 9970X
- 1,177-45%
- AMD Threadripper PRO 9985WX
- 2,146Best
Blender 4.5, Blender Open Data (CC0). Median of monster + junkshop + classroom, combined samples/min.
Renders a 3D scene using every core. Shows speed for 3D and rendering work, not gaming.
Which one should you pick?
Choose 9970X if you already have it on hand or find it at a lower price.
Choose 9985WX if you want the higher L3 cache (320 MB vs 160 MB), the higher memory channels (8 channels vs 4 channels) and the higher blender cycles (CPU) (2,146 vs 1,177).
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 9985WX
9.1 / 10 Expert Rating
The Threadripper PRO 9985WX delivers workstation-grade multi-threaded performance with strong single-core boost, making it a serious option for professionals who outgrew mainstream desktop platforms.