Intel
Core Ultra 5 245K
Arrow Lake · 14C/14T · 125 W · LGA1851
81
/ 100
From $309
VS
Ryzen 9 3950X wins by 1
AMD
Ryzen 9 3950X
Zen 2 · 16C/32T · 105 W · AM4
82
/ 100
From $749
Specdex verdict
Ryzen 9 3950X takes it — here’s why.
In our weighted Specdex score, Core Ultra 5 245K lands at 81 and Ryzen 9 3950X at 82. That puts Ryzen 9 3950X ahead by 1 points — a narrow margin driven mostly by its strengths in the categories below.
Pick Core Ultra 5 245K if…
- ✓Strong per-core performance
- ✓Hybrid P/E cores (12th gen+)
- ✓Wide platform availability
Pick Ryzen 9 3950X if…
- ✓AM4/AM5 longevity
- ✓Multi-thread value
- ✓Unlocked multipliers
Core Ultra 5 245K 81
vs 82 Ryzen 9 3950X
Score breakdown
Core Ultra 5 245K
81 single 83
multi 81
gaming 80
efficiency 83
Ryzen 9 3950X
82 single 78
multi 82
gaming 80
efficiency 80
Specs side-by-side
| Spec | Core Ultra 5 245K | Ryzen 9 3950X |
|---|---|---|
| Architecture | Arrow Lake | Zen 2 |
| Cores | 14 | ▲ 16 |
| Threads | 14 | ▲ 32 |
| TDP | 125 W | 105 W |
| Socket | LGA1851 | AM4 |
| Release year | 2024 | 2019 |
Core Ultra 5 245K
Pros
- +Strong per-core performance
- +Hybrid P/E cores (12th gen+)
- +Wide platform availability
Cons
- −Power draw on top SKUs
- −Frequent socket changes
- −Arrow Lake gaming regressions
Ryzen 9 3950X
Pros
- +AM4/AM5 longevity
- +Multi-thread value
- +Unlocked multipliers
Cons
- −DDR5 required on AM5
- −iGPU optional
- −X3D variants better for gaming
FAQ: Core Ultra 5 245K vs Ryzen 9 3950X
Which is better, Core Ultra 5 245K or Ryzen 9 3950X? +
Ryzen 9 3950X scores 82 on our weighted rubric — ahead by 1. Your best pick depends on the sub-scores above.
Is Core Ultra 5 245K worth the price? +
At $309, Core Ultra 5 245K delivers a Specdex score of 81 — strongest in single.
Is Ryzen 9 3950X worth the price? +
At $749, Ryzen 9 3950X delivers a Specdex score of 82 — strongest in multi.
Does Core Ultra 5 245K or Ryzen 9 3950X 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.