Intel Core i9-11900K vs Intel Core i5-12400

Core i9-11900K vs Core i5-12400 comparison

In our benchmarks, the Core i9-11900K beats the Core i5-12400 in overall performance. Furthermore, our gaming benchmark shows that it also outperforms the Core i5-12400 in all gaming tests too.

With info from our database, we find that the Core i9-11900K has slightly more cores with 8 cores whereas the Core i5-12400 has 6 cores. It also has more threads than the Core i5-12400. Our comparison shows that the Core i9-11900K has a slightly higher clock speed compared to the Core i5-12400. Also, the Core i9-11900K has a slightly higher turbo speed. The Core i5-12400 outputs less heat than Core i9-11900K thanks to a significantly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption.

Modern CPUs generally have more logical cores than physical cores, this means that each core is split into multiple virtual cores, improving efficiency for parallel workloads. Indeed, the Core i9-11900K has more threads than cores. Each physical core is split into multiple threads.