Intel
Core i9-11900K
Rocket Lake · 8C/16T · 125 W · LGA1200
74
/ 100
From $539
VS
Ryzen 7 3700X wins by 1
AMD
Ryzen 7 3700X
Zen 2 · 8C/16T · 65 W · AM4
75
/ 100
From $329
Specdex verdict
Ryzen 7 3700X takes it — here’s why.
In our weighted Specdex score, Core i9-11900K lands at 74 and Ryzen 7 3700X at 75. That puts Ryzen 7 3700X ahead by 1 points — a narrow margin driven mostly by its strengths in the categories below.
Pick Core i9-11900K if…
- ✓Strong per-core performance
- ✓Hybrid P/E cores (12th gen+)
- ✓Wide platform availability
Pick Ryzen 7 3700X if…
- ✓AM4/AM5 longevity
- ✓Multi-thread value
- ✓Unlocked multipliers
Core i9-11900K 74
vs 75 Ryzen 7 3700X
Score breakdown
Core i9-11900K
74 single 76
multi 74
gaming 73
efficiency 78
Ryzen 7 3700X
75 single 71
multi 75
gaming 73
efficiency 80
Specs side-by-side
| Spec | Core i9-11900K | Ryzen 7 3700X |
|---|---|---|
| Architecture | Rocket Lake | Zen 2 |
| Cores | 8 | 8 |
| Threads | 16 | 16 |
| TDP | 125 W | 65 W |
| Socket | LGA1200 | AM4 |
| Release year | 2021 | 2019 |
Core i9-11900K
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 7 3700X
Pros
- +AM4/AM5 longevity
- +Multi-thread value
- +Unlocked multipliers
Cons
- −DDR5 required on AM5
- −iGPU optional
- −X3D variants better for gaming
FAQ: Core i9-11900K vs Ryzen 7 3700X
Which is better, Core i9-11900K or Ryzen 7 3700X? +
Ryzen 7 3700X scores 75 on our weighted rubric — ahead by 1. Your best pick depends on the sub-scores above.
Is Core i9-11900K worth the price? +
At $539, Core i9-11900K delivers a Specdex score of 74 — strongest in efficiency.
Is Ryzen 7 3700X worth the price? +
At $329, Ryzen 7 3700X delivers a Specdex score of 75 — strongest in efficiency.
Does Core i9-11900K or Ryzen 7 3700X 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.