Intel Core Ultra 7 155H vs Intel Core i5-14400

Core Ultra 7 155H vs Core i5-14400 benchmarks

Our benchmark analysis concludes that the Core i5-14400 performs better than the Core Ultra 7 155H. Furthermore, our gaming benchmark shows that it also outperforms the Core Ultra 7 155H in all gaming tests too.

With info from our database, we find that the Core Ultra 7 155H has significantly more cores with 16 cores whereas the Core i5-14400 has 10 cores. It also has more threads than the Core i5-14400. With our hardware info, we find that the Core i5-14400 has a significantly higher clock speed than the Core Ultra 7 155H. Despite this, the Core Ultra 7 155H has a slightly higher turbo speed. The cache sizes of these CPUs are different. Indeed, the Core Ultra 7 155H has significantly more L2 cache than the Core i5-14400. The Core Ultra 7 155H also has slightly 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 Ultra 7 155H has more threads than cores. Each physical core is split into multiple threads.