Intel Core i7-1255U vs Intel Core i9-12900HK

Core i7-1255U vs Core i9-12900HK specs and performance

According to the hardwareDB Benchmark tool, the Core i9-12900HK is faster than the Core i7-1255U. Furthermore, our gaming benchmark shows that it also outperforms the Core i7-1255U in all gaming tests too.

With info from our database, we find that the Core i9-12900HK has slightly more cores with 14 cores whereas the Core i7-1255U has 10 cores. It also has more threads than the Core i7-1255U. Our comparison shows that the Core i9-12900HK has a significantly higher clock speed compared to the Core i7-1255U. Also, the Core i9-12900HK has a slightly higher turbo speed. A Core i7-1255U CPU outputs less heat than a Core i9-12900HK CPU because of its 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 i7-1255U. 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 i7-1255U has more threads than cores. Each physical core is split into multiple threads.