The Intel Core Ultra 7 270K 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% larger than that found in the Intel Core i9-11900K. This substantial increase in cache capacity serves as the primary differentiator between the two processors, establishing the newer model as the superior component across the vast majority of the evaluated hardware metrics.

Users prioritizing modern architectural improvements and the massive L2 cache advantage should select the Intel Core Ultra 7 270K Plus for their build. Conversely, the Intel Core i9-11900K remains an option only for those who specifically require compatibility with legacy systems where the newer processor's superior specifications are not a requirement. Given the lopsided results across the board, the newer component is the clear choice for anyone seeking the most capable hardware configuration.