Core i9-13900K
Raptor Lake · 24C/32T · 125 W · LGA1700
Ryzen 9 7945HX
16C/32T · 5.4 GHz · 55 W TDP · FL1 · PassMark #228
Core i9-13900K takes it — here’s why.
In our weighted Specdex score, Core i9-13900K lands at 88 and Ryzen 9 7945HX at 30. That puts Core i9-13900K ahead by 58 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 9 7945HX if…
- ✓PassMark CPU Mark of 54,074 — solid multi-thread numbers
- ✓Mainstream desktop flagship core count
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 $549).
Score breakdown
Specs side-by-side
| Spec | Core i9-13900K | Ryzen 9 7945HX |
|---|---|---|
| Architecture | Raptor Lake | — |
| Cores | ▲ 24 | 16 |
| Threads | 32 | 32 |
| TDP | 125 W | 55 W |
| Socket | LGA1700 | FL1 |
| Release year | 2022 | — |
| Base clock | — | 2.5 GHz |
| Boost clock | — | 5.4 GHz |
| L3 cache | — | 64 MB |
| Class | — | Laptop |
| PassMark rank | — | #228 of 5,901 |
| PassMark CPU Mark | — | 54,074 |
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 9 7945HX
- +PassMark CPU Mark of 54,074 — solid multi-thread numbers
- +Mainstream desktop flagship core count
- −Requires recent-generation motherboard and DDR5 memory
- −Newer-generation parts pull ahead in current rankings
FAQ: Core i9-13900K vs Ryzen 9 7945HX
Which is better, Core i9-13900K or Ryzen 9 7945HX? +
Core i9-13900K scores 88 on our weighted rubric — ahead by 58. 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 9 7945HX worth the price? +
At $549, Ryzen 9 7945HX delivers a Specdex score of 30 — strongest in passmark.
Does Core i9-13900K or Ryzen 9 7945HX 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 9 7945HX? +
Core i9-13900K — more score per dollar ($589 vs $549). Specdex score per dollar at MSRP.