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Ryzen 9 9955HX3D — 16C/32T · 5.4 GHz · 55 W TDP · FL1 · PassMark #152
AMD

Ryzen 9 9955HX3D

16C/32T · 5.4 GHz · 55 W TDP · FL1 · PassMark #152

34
/ 100
From $549
VS
Ryzen Threadripper PRO 3975WX — 32C/64T · 4.2 GHz · 280 W TDP · sWRX8 · PassMark #158
AMD

Ryzen Threadripper PRO 3975WX

32C/64T · 4.2 GHz · 280 W TDP · sWRX8 · PassMark #158

34
/ 100
From $1,399
Specdex verdict

Dead heat — it comes down to priorities.

In our weighted Specdex score, Ryzen 9 9955HX3D lands at 34 and Ryzen Threadripper PRO 3975WX at 34. With scores tied, the decision hinges on which sub-scores matter most to you.

Pick Ryzen 9 9955HX3D if…

  • PassMark #152 of 5,901 — capable workhorse
  • 3D V-Cache delivers strong gaming performance

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
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Winner by scenario

Derived from the sub-score breakdown · not a separate test

Value for money

Ryzen 9 9955HX3D

Specdex score per dollar at MSRP

Ryzen 9 9955HX3D more score per dollar ($549 vs $1,399).

Ryzen 9 9955HX3D 34
vs
34 Ryzen Threadripper PRO 3975WX

Score breakdown

Ryzen 9 9955HX3D
34
cpu 34
passmark 62724
Ryzen Threadripper PRO 3975WX
34
cpu 34
passmark 62226

Specs side-by-side

Ryzen 9 9955HX3D versus Ryzen Threadripper PRO 3975WX — full spec comparison
Spec Ryzen 9 9955HX3D Ryzen Threadripper PRO 3975WX
Cores
16
32
Threads
32
64
Base clock
2.5 GHz
3.5 GHz
Boost clock
5.4 GHz
4.2 GHz
L3 cache
128 MB
128 MB
TDP
55 W
280 W
Socket
FL1
sWRX8
Class
Desktop, Laptop
Desktop, Server
PassMark rank
#152 of 5,901
#158 of 5,901
PassMark CPU Mark
62,724
62,226

Ryzen 9 9955HX3D

Pros
  • +PassMark #152 of 5,901 — capable workhorse
  • +3D V-Cache delivers strong gaming performance
Cons
  • Higher price than non-X3D sibling at the same core count
  • Newer-generation parts pull ahead in current rankings

Ryzen Threadripper PRO 3975WX

Pros
  • +PassMark #158 of 5,901 — capable workhorse
  • +Workstation-tier core counts for rendering and compilation
  • +Current PassMark-tracked street price around $1,399
Cons
  • Workstation platform — overkill for gaming-only builds
  • Newer-generation parts pull ahead in current rankings

FAQ: Ryzen 9 9955HX3D vs Ryzen Threadripper PRO 3975WX

Which is better, Ryzen 9 9955HX3D or Ryzen Threadripper PRO 3975WX? +

Both score 34 on our weighted rubric — tied. Your best pick depends on the sub-scores above.

Is Ryzen 9 9955HX3D worth the price? +

At $549, Ryzen 9 9955HX3D delivers a Specdex score of 34 — strongest in passmark.

Is Ryzen Threadripper PRO 3975WX worth the price? +

At $1,399, Ryzen Threadripper PRO 3975WX delivers a Specdex score of 34 — strongest in passmark.

Does Ryzen 9 9955HX3D or Ryzen Threadripper PRO 3975WX 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 9 9955HX3D or Ryzen Threadripper PRO 3975WX? +

Ryzen 9 9955HX3D — more score per dollar ($549 vs $1,399). Specdex score per dollar at MSRP.