The AMD Ryzen 9 5900X is the objective winner of this comparison, securing a lead in seven out of fourteen measured specifications. Its most significant advantage over the Intel Core i5-13600KF is its L3 cache capacity, which is 167% larger. This substantial memory buffer provides the primary technical edge for the AMD processor in this head-to-head evaluation, establishing it as the superior choice based on the total number of winning categories.

Users prioritizing the massive L3 cache advantage should select the AMD Ryzen 9 5900X for their build. Conversely, those who require the specific benefits of the Intel Core i5-13600KF should choose it for its superior L2 cache, which is 233% larger than that of its competitor. Your final decision should depend on whether your workload relies more heavily on the expansive L3 cache of the AMD option or the significantly larger L2 cache offered by the Intel alternative.