Intel Core i5-8400 vs Intel Core Ultra 5 125U

Core i5-8400 vs Core Ultra 5 125U specs and performance

Our benchmark analysis concludes that the Core i5-8400 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.

In terms of the number of cores of each of these CPUs, the Core Ultra 5 125U has significantly more cores than the Core i5-8400. Indeed, the Core Ultra 5 125U has 12 cores compared to 6 cores found in the Core i5-8400. It also has more threads than the Core i5-8400. With our hardware info, we find that the Core Ultra 5 125U has a slightly higher clock speed than the Core i5-8400. Also, the Core Ultra 5 125U has a slightly higher turbo speed. The info from our database shows that the Core Ultra 5 125U has more L2 cache than the Core i5-8400. The Core Ultra 5 125U also has slightly 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. For instance, the Core i5-8400 has the same number of threads as cores. This means the the CPU does not support hyperthreading.