Intel
Core i7-9700K
Coffee Lake Refresh · 8C/8T · 95 W · LGA1151
66
/ 100
From $374
VS
Core i9-9900K wins by 2
Intel
Core i9-9900K
Coffee Lake Refresh · 8C/16T · 95 W · LGA1151
68
/ 100
From $488
Specdex verdict
Core i9-9900K takes it — here’s why.
In our weighted Specdex score, Core i7-9700K lands at 66 and Core i9-9900K at 68. That puts Core i9-9900K ahead by 2 points — a narrow margin driven mostly by its strengths in the categories below.
Pick Core i7-9700K if…
- ✓Strong per-core performance
- ✓Hybrid P/E cores (12th gen+)
- ✓Wide platform availability
Pick Core i9-9900K if…
- ✓Strong per-core performance
- ✓Hybrid P/E cores (12th gen+)
- ✓Wide platform availability
Core i7-9700K 66
vs 68 Core i9-9900K
Score breakdown
Core i7-9700K
66 single 68
multi 66
gaming 65
efficiency 74
Core i9-9900K
68 single 70
multi 68
gaming 67
efficiency 74
Specs side-by-side
| Spec | Core i7-9700K | Core i9-9900K |
|---|---|---|
| Architecture | Coffee Lake Refresh | Coffee Lake Refresh |
| Cores | 8 | 8 |
| Threads | 8 | ▲ 16 |
| TDP | 95 W | 95 W |
| Socket | LGA1151 | LGA1151 |
| Release year | 2018 | 2018 |
Core i7-9700K
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 i9-9900K
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 i7-9700K vs Core i9-9900K
Which is better, Core i7-9700K or Core i9-9900K? +
Core i9-9900K scores 68 on our weighted rubric — ahead by 2. Your best pick depends on the sub-scores above.
Is Core i7-9700K worth the price? +
At $374, Core i7-9700K delivers a Specdex score of 66 — strongest in efficiency.
Is Core i9-9900K worth the price? +
At $488, Core i9-9900K delivers a Specdex score of 68 — strongest in efficiency.
Does Core i7-9700K or Core i9-9900K 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.