Intel
Core i9-10900K
Comet Lake · 10C/20T · 125 W · LGA1200
72
/ 100
From $488
VS
Core i9-11900K wins by 2
Intel
Core i9-11900K
Rocket Lake · 8C/16T · 125 W · LGA1200
74
/ 100
From $539
Specdex verdict
Core i9-11900K takes it — here’s why.
In our weighted Specdex score, Core i9-10900K lands at 72 and Core i9-11900K at 74. That puts Core i9-11900K ahead by 2 points — a narrow margin driven mostly by its strengths in the categories below.
Pick Core i9-10900K if…
- ✓Strong per-core performance
- ✓Hybrid P/E cores (12th gen+)
- ✓Wide platform availability
Pick Core i9-11900K if…
- ✓Strong per-core performance
- ✓Hybrid P/E cores (12th gen+)
- ✓Wide platform availability
Core i9-10900K 72
vs 74 Core i9-11900K
Score breakdown
Core i9-10900K
72 single 74
multi 72
gaming 71
efficiency 77
Core i9-11900K
74 single 76
multi 74
gaming 73
efficiency 78
Specs side-by-side
| Spec | Core i9-10900K | Core i9-11900K |
|---|---|---|
| Architecture | Comet Lake | Rocket Lake |
| Cores | ▲ 10 | 8 |
| Threads | ▲ 20 | 16 |
| TDP | 125 W | 125 W |
| Socket | LGA1200 | LGA1200 |
| Release year | 2020 | 2021 |
Core i9-10900K
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
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
FAQ: Core i9-10900K vs Core i9-11900K
Which is better, Core i9-10900K or Core i9-11900K? +
Core i9-11900K scores 74 on our weighted rubric — ahead by 2. Your best pick depends on the sub-scores above.
Is Core i9-10900K worth the price? +
At $488, Core i9-10900K delivers a Specdex score of 72 — strongest in efficiency.
Is Core i9-11900K worth the price? +
At $539, Core i9-11900K delivers a Specdex score of 74 — strongest in efficiency.
Does Core i9-10900K or Core i9-11900K 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.