The AMD Ryzen 9 7900X is the objective winner of this comparison, securing victory across the majority of the evaluated specifications. Its most significant technical advantage is the L3 Cache, which provides a 78% improvement over the alternative. This superior cache capacity serves as the primary differentiator in this matchup, establishing the Ryzen 9 7900X as the more robust option based on the total count of winning specifications.

Users prioritizing the specific benefits of the L3 Cache should select the AMD Ryzen 9 7900X for their build. Conversely, those who require the advantages offered by the Intel Core i9-13900KF should opt for that processor, as it holds a substantial 167% lead in L2 Cache capacity. Your final choice should depend on whether your workload benefits more from the primary cache advantage of the Ryzen or the secondary cache advantage of the Intel.