Intel Core i9-13900H vs Intel Core Ultra 9 275HX

Core i9-13900H vs Core Ultra 9 275HX comparison

Our benchmark analysis concludes that the Core Ultra 9 275HX performs better than the Core i9-13900H. Furthermore, our gaming benchmark shows that it also outperforms the Core i9-13900H in all gaming tests too.

When comparing core counts for these CPUs, we notice that the Core Ultra 9 275HX has significantly more cores with 24 cores compared to the Core i9-13900H that has 14 cores. It also has more threads than the Core i9-13900H. These CPUs have different clock speeds. Indeed, the Core Ultra 9 275HX has a slightly higher clock speed compared to the Core i9-13900H. Furthermore, both these CPUs have identical turbo speeds. The cache sizes of these CPUs are different. Indeed, the Core Ultra 9 275HX has significantly more L2 cache than the Core i9-13900H. The Core Ultra 9 275HX 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 i9-13900H has more threads than cores. Each physical core is split into multiple threads.