Intel Core i9-12900HK vs Intel Core i5-12450HX

Core i9-12900HK vs Core i5-12450HX benchmarks

Our benchmark analysis concludes that the Core i9-12900HK performs better than the Core i5-12450HX. Furthermore, our gaming benchmark shows that it also outperforms the Core i5-12450HX in all gaming tests too.

With info from our database, we find that the Core i9-12900HK has significantly more cores with 14 cores whereas the Core i5-12450HX has 8 cores. It also has more threads than the Core i5-12450HX. With our hardware info, we find that the Core i9-12900HK has a slightly higher clock speed than the Core i5-12450HX. Also, the Core i9-12900HK has a slightly higher turbo speed. A Core i9-12900HK CPU outputs less heat than a Core i5-12450HX CPU because of its slightly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption. In terms of cache, the Core i9-12900HK has slightly more L2 cache when compared to the Core i5-12450HX. The Core i9-12900HK also has significantly more L3 cache.

Most CPUs have more threads than cores. This technology, colloquially called hyperthreading, improves performance by splitting a core into multiple virtual ones. This provides more efficient utilisation of a core. Indeed, the Core i9-12900HK has more threads than cores. Each physical core is split into multiple threads.