Core i9-13900K
Raptor Lake · 24C/32T · 125 W · LGA1700
Ryzen Threadripper PRO 9945WX
12C/24T · 5.4 GHz · 350 W · sTR5 · PassMark #216
Core i9-13900K takes it — here’s why.
In our weighted Specdex score, Core i9-13900K lands at 88 and Ryzen Threadripper PRO 9945WX at 31. That puts Core i9-13900K ahead by 57 points — a decisive margin driven mostly by its strengths in the categories below.
Pick Core i9-13900K if…
- ✓Strong per-core performance
- ✓Hybrid P/E cores (12th gen+)
- ✓Wide platform availability
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
Core i9-13900KSpecdex score per dollar at MSRP
Core i9-13900K more score per dollar ($589 vs $4,000).
Score breakdown
Specs side-by-side
| Spec | Core i9-13900K | Ryzen Threadripper PRO 9945WX |
|---|---|---|
| Architecture | Raptor Lake | — |
| Cores | ▲ 24 | 12 |
| Threads | ▲ 32 | 24 |
| TDP | 125 W | 350 W |
| Socket | LGA1700 | sTR5 |
| Release year | 2022 | — |
| Base clock | — | 4.7 GHz |
| Boost clock | — | 5.4 GHz |
| L3 cache | — | 64 MB |
| 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) |
| PassMark rank | — | #216 of 5,901 |
| PassMark CPU Mark | — | 55,939 |
Core i9-13900K
- +Strong per-core performance
- +Hybrid P/E cores (12th gen+)
- +Wide platform availability
- −Power draw on top SKUs
- −Frequent socket changes
- −Arrow Lake gaming regressions
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: Core i9-13900K vs Ryzen Threadripper PRO 9945WX
Which is better, Core i9-13900K or Ryzen Threadripper PRO 9945WX? +
Core i9-13900K scores 88 on our weighted rubric — ahead by 57. Your best pick depends on the sub-scores above.
Is Core i9-13900K worth the price? +
At $589, Core i9-13900K delivers a Specdex score of 88 — strongest in single.
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 Core i9-13900K 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, Core i9-13900K or Ryzen Threadripper PRO 9945WX? +
Core i9-13900K — more score per dollar ($589 vs $4,000). Specdex score per dollar at MSRP.