Intel Core i9-9980HK vs Intel Core i7-1255U

Core i9-9980HK vs Core i7-1255U benchmarks

In our benchmarks, the Core i7-1255U beats the Core i9-9980HK in overall performance. Furthermore, our gaming benchmark shows that it also outperforms the Core i9-9980HK in all gaming tests too.

When comparing core counts for these CPUs, we notice that the Core i7-1255U has slightly more cores with 10 cores compared to the Core i9-9980HK that has 8 cores. Despite this, the Core i9-9980HK has more threads than the Core i7-1255U. Our comparison shows that the Core i9-9980HK has a slightly higher clock speed compared to the Core i7-1255U. Also, the Core i9-9980HK has a slightly higher turbo speed. The Core i7-1255U outputs less heat than Core i9-9980HK 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 i7-1255U has significantly more L2 cache than the Core i9-9980HK. Despite this, the Core i9-9980HK has slightly more L3 cache compared to the Core i7-1255U.

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 i9-9980HK has more threads than cores. Each physical core is split into multiple threads.