Intel Core i7-8700K vs Intel Core Ultra 7 255H

Core i7-8700K vs Core Ultra 7 255H specs and performance

According to the hardwareDB Benchmark tool, the Core Ultra 7 255H is faster than the Core i7-8700K. Furthermore, our gaming benchmark shows that it also outperforms the Core i7-8700K in all gaming tests too.

With info from our database, we find that the Core Ultra 7 255H has significantly more cores with 16 cores whereas the Core i7-8700K has 6 cores. It also has more threads than the Core i7-8700K. These CPUs have different clock speeds. Indeed, the Core i7-8700K has a significantly higher clock speed compared to the Core Ultra 7 255H. Despite this, the Core Ultra 7 255H has a slightly higher turbo speed. The cache sizes of these CPUs are different. Indeed, the Core Ultra 7 255H has significantly more L2 cache than the Core i7-8700K. The Core Ultra 7 255H 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 i7-8700K has more threads than cores. Each physical core is split into multiple threads.