The AMD Ryzen 9 5900X is the objective winner of this comparison, securing a lead across seven of the fourteen evaluated specifications. Its most significant technical advantage is the L3 cache, which is 167% larger than that found in the Intel Core i5-14600KF. This substantial memory capacity provides the primary edge for the Ryzen 9 5900X in this head-to-head evaluation, establishing it as the superior option based on the total count of winning specifications.

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 i5-14600KF should opt for it instead, as it offers a 233% larger L2 cache. Choosing between these two processors depends entirely on whether your specific workload benefits more from the superior L3 cache capacity of the Ryzen or the significantly larger L2 cache found in the Intel component.