Core i5-11400 vs Core i9-9900K
These two are practically equal for gaming.
Verdict
- Performance index: practically equal (46 vs 47).
- Cores: Core i9-9900K has 8 vs 6.
- Power (TDP): Core i5-11400 65 W, Core i9-9900K 95 W; the Core i5-11400 delivers 43% more performance per watt.
- Age: the Core i5-11400 is 3 years newer (2021 vs 2018).
- Platform: different sockets (LGA1200 vs LGA1151), so they need different motherboards.
Specs
| Spec | Core i5-11400 | Core i9-9900K |
|---|---|---|
| Performance index | 46 | 47 |
| Brand / series | Intel Core 11th Gen | Intel Core 9th Gen |
| Released | 2021 | 2018 |
| Cores | 6 | 8 |
| Threads | 12 | 16 |
| Base clock | 2.6 GHz | 3.6 GHz |
| Boost clock | 4.4 GHz | 5 GHz |
| Power (TDP) | 65 W | 95 W |
| Socket | LGA1200 | LGA1151 |