Intel Core i9-9900K vs Intel Core i7-12800H

Core i9-9900K vs Core i7-12800H comparison

Our benchmark analysis concludes that the Core i9-9900K performs better than the Core i7-12800H. Despite this, the Core i7-12800H has the advantage in our gaming benchmark.

When comparing core counts for these CPUs, we notice that the Core i7-12800H has significantly more cores with 14 cores compared to the Core i9-9900K that has 8 cores. It also has more threads than the Core i9-9900K. With our hardware info, we find that the Core i9-9900K has a significantly higher clock speed than the Core i7-12800H. Also, the Core i9-9900K has a slightly higher turbo speed. The Core i7-12800H 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 i7-12800H has significantly more L2 cache than the Core i9-9900K. The Core i7-12800H also has significantly more L3 cache.

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 i9-9900K has more threads than cores. Each physical core is split into multiple threads.