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AMD Threadripper 9960X vs AMD Threadripper PRO 9955WX: Comparison
Threadripper 9960X vs Threadripper PRO 9955WX: the l3 cache difference
On l3 cache the spread is 47%, Threadripper 9960X 152 MB against Threadripper PRO 9955WX 80 MB, so Threadripper 9960X takes it. Threadripper PRO 9955WX also leads on memory channels, 4 channels on the Threadripper 9960X versus 8 channels on the Threadripper PRO 9955WX. Base clock is not the same on both, 4.3 GHz on the Threadripper 9960X versus 4.1 GHz on the Threadripper PRO 9955WX.
Who each one is for
The Threadripper 9960X suits content creators mixing single- and multi-threaded work and software developers with large compile jobs, though it is the wrong buy for gaming-focused builds and users on air cooling under 240mm. 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 9960X (8.9/10): the Threadripper 9960X is a well-balanced high-core-count chip that handles both single-threaded and parallel workloads without the premium of the top-tier models. 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.
Where the two are identical
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 9960X and Threadripper PRO 9955WX differ on thread count?
Yes. Thread Count reads 48 threads on the Threadripper 9960X versus 32 threads on the Threadripper PRO 9955WX.
Is the ECC Support the same on the Threadripper 9960X 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 9960X
- 2025
- AMD Threadripper PRO 9955WX
- 2025
Core Count
- AMD Threadripper 9960X
- 24 cores
- AMD Threadripper PRO 9955WX
- 16 cores
Thread Count
- AMD Threadripper 9960X
- 48 threads
- AMD Threadripper PRO 9955WX
- 32 threads
Core Architecture
- AMD Threadripper 9960X
- Zen 5 "Shimada Peak"
- AMD Threadripper PRO 9955WX
- Zen 5 "Shimada Peak"
Base Clock
- AMD Threadripper 9960X
- 4.3 GHz
- AMD Threadripper PRO 9955WX
- 4.1 GHz
Boost Clock
- AMD Threadripper 9960X
- 5.4 GHz
- AMD Threadripper PRO 9955WX
- 5.4 GHz
L3 Cache
- AMD Threadripper 9960X
- 152 MBBest
- AMD Threadripper PRO 9955WX
- 80 MB-47%
Socket
- AMD Threadripper 9960X
- sTR5
- AMD Threadripper PRO 9955WX
- sTR5
Memory Channels
- AMD Threadripper 9960X
- 4 channels-50%
- AMD Threadripper PRO 9955WX
- 8 channelsBest
ECC Support
- AMD Threadripper 9960X
- Yes
- AMD Threadripper PRO 9955WX
- Yes
TDP
- AMD Threadripper 9960X
- 350 W
- AMD Threadripper PRO 9955WX
- 350 W
Memory Support
- AMD Threadripper 9960X
- Quad-channel ECC-capable DDR5
- AMD Threadripper PRO 9955WX
- 8-channel ECC DDR5Best
Which one should you pick?
Choose 9960X if you want the higher L3 cache (152 MB vs 80 MB).
Choose 9955WX if you want the higher memory channels (8 channels vs 4 channels).
Verdict
AMD Threadripper 9960X
8.9 / 10 Expert Rating
The Threadripper 9960X is a well-balanced high-core-count chip that handles both single-threaded and parallel workloads without the premium of the top-tier models.
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.