Intel Core i9-9900K vs Intel Core i5-9400F

Core i9-9900K vs Core i5-9400F comparison

In our benchmarks, the Core i9-9900K beats the Core i5-9400F in overall performance. Furthermore, our gaming benchmark shows that it also outperforms the Core i5-9400F in all gaming tests too.

With info from our database, we find that the Core i9-9900K has slightly more cores with 8 cores whereas the Core i5-9400F has 6 cores. It also has more threads than the Core i5-9400F. Our comparison shows that the Core i9-9900K has a slightly higher clock speed compared to the Core i5-9400F. Also, the Core i9-9900K has a slightly higher turbo speed. The Core i5-9400F outputs less heat than Core i9-9900K thanks to a significantly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption. The cache sizes of these CPUs are different. Indeed, the Core i9-9900K has slightly more L2 cache than the Core i5-9400F. The Core i9-9900K also has significantly more L3 cache.

The more cores a CPU has, the better the overall performance will be in parallel workloads such as multitasking. Many CPUs have more threads than cores, this means that each physical core is split into multiple logical cores, making them more efficient. Indeed, the Core i9-9900K has more threads than cores. Each physical core is split into multiple threads.