Intel Core i5-8400 vs Intel Core i3-1315U

Core i5-8400 vs Core i3-1315U specs and performance

Our benchmark analysis concludes that the Core i5-8400 performs better than the Core i3-1315U. Despite this, the Core i3-1315U has the advantage in our gaming benchmark.

When comparing these CPUs we notice that they have the same number of cores but the Core i3-1315U has more threads. With our hardware info, we find that the Core i5-8400 has a significantly higher clock speed than the Core i3-1315U. Despite this, the Core i3-1315U has a slightly higher turbo speed. The info from our database shows that the Core i3-1315U has more L2 cache than the Core i5-8400. The Core i3-1315U also has slightly more 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. For instance, the Core i5-8400 has the same number of threads as cores. This means the the CPU does not support hyperthreading.