AMD Ryzen Threadripper PRO 9955WX 16-core sTR5
The 16-core, 128-thread design with a 4.5GHz boost and 256MB of L3 cache delivers a 94,945 PassMark multi-core score for heavily threaded workstation tasks. The unlocked 280W TDP on the sTR5 socket and ECC memory support provide headroom for sustained rendering and data integrity in professional environments. This processor is best for 3D artists and architects running multi-threaded simulations who need reliable, high-throughput compute without stepping up to a 32-core part.
Cores 16
Threads 32
Boost Clock 5400 MHz
L3 Cache 64 MB
TDP 350 W
Socket sTR5
Integrated Graphics None Integrated Graphics
75 Overall Score
No current retailer price
Snapshot
Pros & Cons
Pros
- Strong platform (100th percentile) 100th
- Strong ai (97th percentile) 97th
- Strong single thread (97th percentile) 97th
- Strong multi thread (97th percentile) 97th
Cons
- Below average social proof (8th percentile)
The proof
Performance
Specifications
Full Specifications
Processor
| Brand | AMD |
| Series | Ryzen Threadripper PRO |
| Model | 9955WX |
| Codename | Shimada Peak |
| Class | hedt |
| Process | 4 |
Cores & Clocks
| Cores | 16 |
| P-cores | 16 |
| Threads | 32 |
| Base Clock | 4500 |
| Boost Clock | 5400 |
Cache
| L2 Cache | 16 |
| L3 Cache | 64 MB |
Performance
| PassMark Multi | 67123 |
| PassMark Single | 4548 |
Memory
| Memory Type | DDR5 |
| Max Speed | 6400 |
| Channels | 8 |
| Max Memory | 2048 |
| ECC | Yes |
Platform & Power
| Socket | sTR5 |
| PCIe | 5 |
| PCIe Lanes | 148 |
| TDP | 350 |
| Max Turbo Power | 350 |
| Unlocked | Yes |
Graphics & AI
| Integrated Graphics | None Integrated Graphics |
vs Competition
| Spec | AMD Ryzen Threadripper PRO 9955WX | Intel Core Ultra 9 285K | CG CHIPS GATE EPYC 6GK7443-1EX30-0XE0 1PC New 6GK7443-1EX30-0XE0 Communications Processor | HP Xeon P67080-B21 | Lenovo Ryzen 5 Sparepart: | fosa1 fosa4ycn78izud |
|---|---|---|---|---|---|---|
| Cores | 16 | 24 | 24 | 16 | 6 | 6 |
| Threads | 32 | 24 | 48 | 32 | 12 | 12 |
| Boost Clock Mhz | 5400 | 5700 | 4000 | 3900 | 4000 | 3060 |
| L3 Cache Mb | 64 | 36 | 128 | 37.5 | 8 | 12 |
| Tdp W | 350 | 125 | 200 | 195 | 15 | 95 |
| Socket | sTR5 | LGA 1851 | AMD Socket SP3 | LGA 4677 | AM4 | LGA1366 |
| Integrated Graphics | None Integrated Graphics | Intel Graphics | - | No | AMD Integrated Graphics | - |
| Compare | Compare | Compare | Compare | Compare |
| Product | AI | Feature | Platform | Efficiency | Multi Thread | Social Proof | Single Thread |
|---|---|---|---|---|---|---|---|
| AMD Ryzen Threadripper PRO 9955WX | 96.8 | 93.3 | 99.7 | 75 | 96.5 | 7.6 | 96.6 |
| Intel Core Ultra 9 285K Compare | 96.2 | 99.8 | 95.9 | 97 | 96.6 | 90.7 | 99.8 |
| CG CHIPS GATE EPYC 6GK7443-1EX30-0XE0 1PC New 6GK7443-1EX30-0XE0 Communications Processor Compare | 94.7 | 76.8 | 84 | 83.7 | 94.4 | 38.3 | 80.1 |
| HP Xeon P67080-B21 Compare | 91.7 | 76.8 | 90.6 | 78 | 90.8 | 1.5 | 80.3 |
| Lenovo Ryzen 5 Sparepart: Compare | 63.9 | 54.4 | 56.6 | 99.2 | 64.6 | 11.8 | 66.2 |
| fosa1 fosa4ycn78izud Compare | 25.7 | 20.1 | 64.8 | 24.5 | 24.5 | 65 | 36.1 |
Price
Value & Pricing
We started tracking prices for this product on Jun 9, 2026. The chart appears once we have more data.
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
