Intel Core i5-11600KF vs Intel Core i9-9900K

Core i5-11600KF vs Core i9-9900K comparison

In our benchmarks, the Core i9-9900K beats the Core i5-11600KF in overall performance. Despite this, the Core i5-11600KF has the advantage in our gaming benchmark.

With info from our database, we find that the Core i9-9900K has slightly more cores with 8 cores whereas the Core i5-11600KF has 6 cores. It also has more threads than the Core i5-11600KF. These CPUs have different clock speeds. Indeed, the Core i5-11600KF has a slightly higher clock speed compared to the Core i9-9900K. Despite this, the Core i9-9900K has a slightly higher turbo speed. The Core i9-9900K outputs less heat than Core i5-11600KF thanks to a slightly 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 i5-11600KF has more L2 cache than the Core i9-9900K. Despite this, the Core i9-9900K has slightly more L3 cache compared to the Core i5-11600KF.

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 i5-11600KF has more threads than cores. Each physical core is split into multiple threads.