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

Core i5-8400H vs Core i3-1315U comparison

In our benchmarks, the Core i5-8400H beats the Core i3-1315U in overall performance. Despite this, the Core i3-1315U has the advantage in our gaming benchmark.

With info from our database, we find that the Core i3-1315U has significantly more cores with 6 cores whereas the Core i5-8400H has 4 cores. But they both have the same number of threads. Our comparison shows that the Core i5-8400H has a significantly higher clock speed compared to the Core i3-1315U. Despite this, the Core i3-1315U has a slightly higher turbo speed. In terms of cache, the Core i3-1315U has significantly more L2 cache when compared to the Core i5-8400H. Despite this, the Core i5-8400H has slightly more L3 cache compared to the Core i3-1315U.

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 i5-8400H has more threads than cores. Each physical core is split into multiple threads.