Intel Core i5-10400F vs Intel Core Ultra 7 155U

Core i5-10400F vs Core Ultra 7 155U comparison

Our benchmark analysis concludes that the Core i5-10400F performs better than the Core Ultra 7 155U. Despite this, the Core Ultra 7 155U has the advantage in our gaming benchmark.

In terms of the number of cores of each of these CPUs, the Core Ultra 7 155U has significantly more cores than the Core i5-10400F. Indeed, the Core Ultra 7 155U has 12 cores compared to 6 cores found in the Core i5-10400F. It also has more threads than the Core i5-10400F. With our hardware info, we find that the Core i5-10400F has a slightly higher clock speed than the Core Ultra 7 155U. Despite this, the Core Ultra 7 155U has a slightly higher turbo speed. The info from our database shows that the Core Ultra 7 155U has more L2 cache than the Core i5-10400F. However, both these chips have the same amount of 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 i5-10400F has more threads than cores. Each physical core is split into multiple threads.