Intel Core i9-10900KF vs Intel Core i5-10400F

Core i9-10900KF vs Core i5-10400F benchmarks

Our benchmark analysis concludes that the Core i9-10900KF performs better than the Core i5-10400F. Furthermore, our gaming benchmark shows that it also outperforms the Core i5-10400F in all gaming tests too.

With info from our database, we find that the Core i9-10900KF has significantly more cores with 10 cores whereas the Core i5-10400F has 6 cores. It also has more threads than the Core i5-10400F. With our hardware info, we find that the Core i9-10900KF has a slightly higher clock speed than the Core i5-10400F. Also, the Core i9-10900KF has a slightly higher turbo speed. The Core i5-10400F outputs less heat than Core i9-10900KF thanks to a significantly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption. The cache sizes of these CPUs are different. Indeed, the Core i9-10900KF has significantly more L2 cache than the Core i5-10400F. The Core i9-10900KF also has significantly 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. Indeed, the Core i9-10900KF has more threads than cores. Each physical core is split into multiple threads.