Intel Core i7-1355U vs Intel Core Ultra 5 125U

Core i7-1355U vs Core Ultra 5 125U comparison

Our benchmark analysis concludes that the Core i7-1355U performs better than the Core Ultra 5 125U. Furthermore, our gaming benchmark shows that it also outperforms the Core Ultra 5 125U in all gaming tests too.

When comparing core counts for these CPUs, we notice that the Core Ultra 5 125U has slightly more cores with 12 cores compared to the Core i7-1355U that has 10 cores. It also has more threads than the Core i7-1355U. These CPUs have different clock speeds. Indeed, the Core Ultra 5 125U has a significantly higher clock speed compared to the Core i7-1355U. Despite this, the Core i7-1355U has a slightly higher turbo speed. In terms of cache, the Core Ultra 5 125U has significantly more L2 cache when compared to the Core i7-1355U. However, both these chips have the same amount of 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 i7-1355U has more threads than cores. Each physical core is split into multiple threads.