i5-11600K vs i9-11900K
Full specification comparison between the Intel Core i5-11600K (2021) and the Intel Core i9-11900K (2021).
i5-11600K
Intel Entry-level
- ✓ Cheaper at launch ($262 vs $539)
- ✓ Better performance per dollar
i9-11900K
Intel Entry-level
- ✓ More cores (8 vs 6)
- ✓ Larger L3 cache (16 MB vs 12 MB)
- ✓ Higher boost clock (5.3 vs 4.9 GHz)
- ✓ More power-efficient
Verdict: The i9-11900K and i5-11600K deliver essentially the same level of performance — the difference is within a few percent and won't be noticeable in real use. The decision comes down to price, power draw and features.
At launch pricing, the i5-11600K offers more performance per dollar, and the i9-11900K is the more power-efficient chip.
Estimated performance
Estimated average 1080p gaming performance compiled from publicly available benchmark data. Individual games vary.
Specs side by side
| Specification | i5-11600K | i9-11900K |
|---|---|---|
| Family | Rocket Lake | Rocket Lake |
| Socket | LGA1200 | LGA1200 |
| Release year | 2021 | 2021 |
| Est. gaming perf. | ||
| Est. multi-core perf. | ||
| Est. single-core perf. | ||
| Cores | ||
| Threads | ||
| Max boost clock | ||
| L3 cache | ||
| TDP (base) | ||
| Integrated graphics | UHD 750 | UHD 750 |
| Launch MSRP |
Green bars mark the better value in each row (for power and price, lower wins).
Frequently asked questions
Is the i9-11900K better than the i5-11600K?
They perform almost identically (within ~3%). Choose based on price, power consumption and platform rather than raw speed.
How much faster is the i9-11900K than the i5-11600K?
Roughly 3% on average in gaming workloads. The gap varies by title, resolution and settings.
Which processor is better value?
Comparing launch prices, the i5-11600K delivers more performance per dollar. Check current street prices, as market pricing often shifts the value equation.