The Intel Core i3-12100F is the objective winner of this comparison, securing victories in ten out of fourteen measured specifications. Its most significant technical advantage is its L2 cache, which is 233% larger than that of the alternative. By outperforming the Intel Core i5-9600K across the majority of categories, this processor establishes itself as the more modern and efficient choice for users prioritizing the latest architectural improvements and cache capacity.

Users should choose the Intel Core i3-12100F if they prioritize the superior L2 cache capacity for their computing tasks. Conversely, the Intel Core i5-9600K remains the appropriate selection for those who specifically require a higher total core count, as it offers a 50% advantage in that category. Selecting between these two components depends entirely on whether your workload benefits more from the increased cache efficiency of the newer model or the higher core count of the older unit.