Intel Core i9-11900K vs Intel Core i5-11400H

Core i9-11900K vs Core i5-11400H comparison

Our benchmark analysis concludes that the Core i9-11900K performs better than the Core i5-11400H. Furthermore, our gaming benchmark shows that it also outperforms the Core i5-11400H in all gaming tests too.

When comparing core counts for these CPUs, we notice that the Core i9-11900K has slightly more cores with 8 cores compared to the Core i5-11400H that has 6 cores. It also has more threads than the Core i5-11400H. These CPUs have different clock speeds. Indeed, the Core i9-11900K has a slightly higher clock speed compared to the Core i5-11400H. Also, the Core i9-11900K has a slightly higher turbo speed. The Core i5-11400H 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. The cache sizes of these CPUs are different. Indeed, the Core i5-11400H has significantly more L2 cache than the Core i9-11900K. Despite this, the Core i9-11900K has slightly more L3 cache compared to the Core i5-11400H.

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.