The Intel Core Ultra 5 250K Plus is the objective winner of this comparison, securing victories in twelve out of fourteen measured specifications. Its most significant technical advantage is the L2 Cache, which is 900% better than that of the Intel Core i5-11600K. This substantial improvement in cache capacity serves as the primary differentiator between the two processors, establishing the newer model as the superior choice across the vast majority of evaluated hardware metrics.

Users prioritizing the latest architectural advancements and the massive L2 Cache improvement should select the Intel Core Ultra 5 250K Plus for their build. Conversely, the Intel Core i5-11600K remains an option only for those who do not require the superior specifications found in the newer component. Given that the newer model dominates the spec sheet, it is the clear recommendation for anyone seeking the most capable hardware configuration between these two options.