Intel Core i7-1255U vs Intel Core Ultra 7 155H

Core i7-1255U vs Core Ultra 7 155H specs and performance

In our benchmarks, the Core Ultra 7 155H beats the Core i7-1255U in overall performance. 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 Ultra 7 155H has significantly more cores with 16 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 i7-1255U has a slightly higher clock speed compared to 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 i7-1255U. The Core Ultra 7 155H 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.