The Intel Core Ultra 7 265K 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 alternative. While the Intel Core i5-13400F holds its own in three specific areas, the superior cache capacity of the Ultra 7 265K establishes it as the more robust component across the majority of the evaluated metrics.

Users prioritizing maximum technical capability and the expanded L2 cache should select the Intel Core Ultra 7 265K for their build. Conversely, the Intel Core i5-13400F is the logical choice for budget-conscious buyers, as it offers a 50% better MSRP compared to the higher-tier model. Choosing between these two processors depends entirely on whether your primary goal is to leverage the performance-oriented cache advantage or to capitalize on the significant cost savings provided by the i5.