Intel Core i5-10400 vs Intel Core i3-1215U

Core i5-10400 vs Core i3-1215U benchmarks

Our benchmark analysis concludes that the Core i5-10400 performs better than the Core i3-1215U. Furthermore, our gaming benchmark shows that it also outperforms the Core i3-1215U in all gaming tests too.

Info from our database shows that they both have the same core count but the Core i5-10400 has more threads. These CPUs have different clock speeds. Indeed, the Core i5-10400 has a significantly higher clock speed compared to the Core i3-1215U. Despite this, the Core i3-1215U has a slightly higher turbo speed. The Core i3-1215U outputs less heat than Core i5-10400 thanks to a significantly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption. The info from our database shows that the Core i3-1215U has more L2 cache than the Core i5-10400. Despite this, the Core i5-10400 has slightly more L3 cache compared to the Core i3-1215U.

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 i5-10400 has more threads than cores. Each physical core is split into multiple threads.