The Intel Core Ultra 7 265KF is the objective winner of this comparison, securing victory in eleven out of sixteen measured specifications. Its most significant technical advantage is the L2 cache, which is 279% larger than that of the Intel Core i5-13400F. This substantial increase in cache capacity provides the primary performance edge for the newer processor, establishing it as the superior option across the majority of the evaluated hardware metrics.

Users prioritizing raw technical capacity and the benefits of a significantly larger L2 cache should select the Intel Core Ultra 7 265KF for their build. Conversely, the Intel Core i5-13400F remains the appropriate choice for those who prioritize power efficiency, as it offers a 48% better TDP rating. Choosing between these two components depends entirely on whether your specific requirements favor the increased cache overhead of the former or the lower power profile of the latter.