Intel Core Ultra 7 155U vs Intel Core Ultra 7 255H

Core Ultra 7 155U vs Core Ultra 7 255H comparison

Our benchmark analysis concludes that the Core Ultra 7 155U performs better than the Core Ultra 7 255H. Furthermore, our gaming benchmark shows that it also outperforms the Core Ultra 7 255H in all gaming tests too.

When comparing core counts for these CPUs, we notice that the Core Ultra 7 255H has slightly more cores with 16 cores compared to the Core Ultra 7 155U that has 12 cores. It also has more threads than the Core Ultra 7 155U. These CPUs have different clock speeds. Indeed, the Core Ultra 7 155U has a slightly higher clock speed compared to the Core Ultra 7 255H. Despite this, the Core Ultra 7 255H has a slightly higher turbo speed. In terms of cache, the Core Ultra 7 255H has significantly more L2 cache when compared to the Core Ultra 7 155U. The Core Ultra 7 255H 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 Ultra 7 155U has more threads than cores. Each physical core is split into multiple threads.