Ryzen Threadripper PRO 3975WX
32C/64T · 4.2 GHz · 280 W TDP · sWRX8 · PassMark #158
Ryzen 9 9955HX3D
16C/32T · 5.4 GHz · 55 W TDP · FL1 · PassMark #152
Dead heat — it comes down to priorities.
In our weighted Specdex score, Ryzen Threadripper PRO 3975WX lands at 34 and Ryzen 9 9955HX3D at 34. With scores tied, the decision hinges on which sub-scores matter most to you.
Pick Ryzen Threadripper PRO 3975WX if…
- ✓PassMark #158 of 5,901 — capable workhorse
- ✓Workstation-tier core counts for rendering and compilation
- ✓Current PassMark-tracked street price around $1,399
Pick Ryzen 9 9955HX3D if…
- ✓PassMark #152 of 5,901 — capable workhorse
- ✓3D V-Cache delivers strong gaming performance
Winner by scenario
Derived from the sub-score breakdown · not a separate testValue for money
Ryzen 9 9955HX3DSpecdex score per dollar at MSRP
Ryzen 9 9955HX3D more score per dollar ($549 vs $1,399).
Score breakdown
Specs side-by-side
| Spec | Ryzen Threadripper PRO 3975WX | Ryzen 9 9955HX3D |
|---|---|---|
| Cores | ▲ 32 | 16 |
| Threads | ▲ 64 | 32 |
| Base clock | 3.5 GHz | 2.5 GHz |
| Boost clock | 4.2 GHz | 5.4 GHz |
| L3 cache | 128 MB | 128 MB |
| TDP | 280 W | 55 W |
| Socket | sWRX8 | FL1 |
| Class | Desktop, Server | Desktop, Laptop |
| PassMark rank | #158 of 5,901 | #152 of 5,901 |
| PassMark CPU Mark | 62,226 | ▲ 62,724 |
Ryzen Threadripper PRO 3975WX
- +PassMark #158 of 5,901 — capable workhorse
- +Workstation-tier core counts for rendering and compilation
- +Current PassMark-tracked street price around $1,399
- −Workstation platform — overkill for gaming-only builds
- −Newer-generation parts pull ahead in current rankings
Ryzen 9 9955HX3D
- +PassMark #152 of 5,901 — capable workhorse
- +3D V-Cache delivers strong gaming performance
- −Higher price than non-X3D sibling at the same core count
- −Newer-generation parts pull ahead in current rankings
FAQ: Ryzen Threadripper PRO 3975WX vs Ryzen 9 9955HX3D
Which is better, Ryzen Threadripper PRO 3975WX or Ryzen 9 9955HX3D? +
Both score 34 on our weighted rubric — tied. Your best pick depends on the sub-scores above.
Is Ryzen Threadripper PRO 3975WX worth the price? +
At $1,399, Ryzen Threadripper PRO 3975WX delivers a Specdex score of 34 — strongest in passmark.
Is Ryzen 9 9955HX3D worth the price? +
At $549, Ryzen 9 9955HX3D delivers a Specdex score of 34 — strongest in passmark.
Does Ryzen Threadripper PRO 3975WX or Ryzen 9 9955HX3D last longer? +
Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.
Which is the better value, Ryzen Threadripper PRO 3975WX or Ryzen 9 9955HX3D? +
Ryzen 9 9955HX3D — more score per dollar ($549 vs $1,399). Specdex score per dollar at MSRP.