The Intel Core Ultra 5 250KF Plus is the objective winner of this comparison, securing victory in eleven out of fourteen measured specifications. Its most significant technical advantage is the L2 Cache, which is 650% larger than that of the Intel Core i9-11900K. This substantial increase in cache capacity represents the primary performance differentiator between the two processors, establishing the newer model as the superior option across the vast majority of evaluated hardware metrics.

Users prioritizing modern architecture and the significant L2 Cache advantage should choose the Intel Core Ultra 5 250KF Plus for their build. Conversely, the Intel Core i9-11900K remains an option only for those who specifically require compatibility with legacy systems that do not support the newer processor. Given the clear disparity in technical specifications, the newer component is the recommended choice for anyone seeking the most capable hardware configuration available in this comparison.