Intel Core i9-9900K vs Intel Core i9-12900HK

Core i9-9900K vs Core i9-12900HK specs and performance

According to the hardwareDB Benchmark tool, the Core i9-12900HK is faster than the Core i9-9900K. Furthermore, our gaming benchmark shows that it also outperforms the Core i9-9900K in all gaming tests too.

When comparing core counts for these CPUs, we notice that the Core i9-12900HK 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. These CPUs have different clock speeds. Indeed, the Core i9-9900K has a significantly higher clock speed compared to the Core i9-12900HK. Furthermore, both these CPUs have identical turbo speeds. The Core i9-12900HK 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 i9-12900HK has significantly more L2 cache than the Core i9-9900K. The Core i9-12900HK 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.