The Intel Core Ultra 5 250KF Plus is the objective winner of this comparison, securing victory across ten distinct specifications compared to only two for the Intel Core i9-12900K. The most significant technical advantage for the Intel Core Ultra 5 250KF Plus is its L2 cache, which is 114% larger than that of its competitor. Conversely, the Intel Core i9-12900K maintains a notable lead in thread count, offering 33% more threads than the newer model.

Users who prioritize high-speed cache capacity for modern computing tasks should select the Intel Core Ultra 5 250KF Plus, as it dominates the majority of the measured specifications. However, the Intel Core i9-12900K remains the superior choice for workloads that rely heavily on multi-threaded processing power. Choosing between these two processors depends entirely on whether your specific applications benefit more from the increased cache architecture of the newer unit or the higher thread count of the older one.