Ryzen 9 9955HX
16C/32T · 5.4 GHz · 55 W TDP · FL1 · PassMark #215
Ryzen Threadripper PRO 9945WX
12C/24T · 5.4 GHz · 350 W · sTR5 · PassMark #216
Dead heat — it comes down to priorities.
In our weighted Specdex score, Ryzen 9 9955HX lands at 31 and Ryzen Threadripper PRO 9945WX at 31. With scores tied, the decision hinges on which sub-scores matter most to you.
Pick Ryzen 9 9955HX if…
- ✓PassMark CPU Mark of 56,057 — solid multi-thread numbers
- ✓Mainstream desktop flagship core count
Pick Ryzen Threadripper PRO 9945WX if…
- ✓PassMark CPU Mark of 55,939 — solid multi-thread numbers
- ✓Workstation-tier core counts for rendering and compilation
Winner by scenario
Derived from the sub-score breakdown · not a separate testValue for money
Ryzen 9 9955HXSpecdex score per dollar at MSRP
Ryzen 9 9955HX more score per dollar ($549 vs $4,000).
Score breakdown
Specs side-by-side
| Spec | Ryzen 9 9955HX | Ryzen Threadripper PRO 9945WX |
|---|---|---|
| Cores | ▲ 16 | 12 |
| Threads | ▲ 32 | 24 |
| Base clock | 2.5 GHz | 4.7 GHz |
| Boost clock | 5.4 GHz | 5.4 GHz |
| L3 cache | 64 MB | 64 MB |
| TDP | 55 W | 350 W |
| Socket | FL1 | sTR5 |
| Class | Desktop, Laptop | — |
| PassMark rank | #215 of 5,901 | #216 of 5,901 |
| PassMark CPU Mark | ▲ 56,057 | 55,939 |
| Platform | — | WRX90 or TRX50 |
| Memory | — | 8-channel DDR5-6400 ECC RDIMM, up to 2TB (on WRX90) |
| PCIe | — | 128x PCIe 5.0 + 8x PCIe 4.0 from CPU (on WRX90) |
Ryzen 9 9955HX
- +PassMark CPU Mark of 56,057 — solid multi-thread numbers
- +Mainstream desktop flagship core count
- −Requires recent-generation motherboard and DDR5 memory
- −Newer-generation parts pull ahead in current rankings
Ryzen Threadripper PRO 9945WX
- +PassMark CPU Mark of 55,939 — solid multi-thread numbers
- +Workstation-tier core counts for rendering and compilation
- −Workstation platform — overkill for gaming-only builds
- −Newer-generation parts pull ahead in current rankings
FAQ: Ryzen 9 9955HX vs Ryzen Threadripper PRO 9945WX
Which is better, Ryzen 9 9955HX or Ryzen Threadripper PRO 9945WX? +
Both score 31 on our weighted rubric — tied. Your best pick depends on the sub-scores above.
Is Ryzen 9 9955HX worth the price? +
At $549, Ryzen 9 9955HX delivers a Specdex score of 31 — strongest in passmark.
Is Ryzen Threadripper PRO 9945WX worth the price? +
At $4,000, Ryzen Threadripper PRO 9945WX delivers a Specdex score of 31 — strongest in passmark.
Does Ryzen 9 9955HX or Ryzen Threadripper PRO 9945WX 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 9955HX or Ryzen Threadripper PRO 9945WX? +
Ryzen 9 9955HX — more score per dollar ($549 vs $4,000). Specdex score per dollar at MSRP.