The Intel Core Ultra 5 250K Plus is the objective winner of this comparison, securing victories in nine out of sixteen measured specifications. Its most significant technical advantage is its L2 cache, which is 216% larger than that of the Intel Core i5-14400F. This substantial increase in cache capacity provides the primary performance edge for the newer processor, establishing it as the superior option across the majority of the evaluated hardware metrics.

Users prioritizing maximum cache capacity and overall hardware specifications should choose the Intel Core Ultra 5 250K Plus for their build. Conversely, the Intel Core i5-14400F is the better selection for those who prioritize power efficiency, as it offers a 48% advantage in TDP. Selecting between these two components depends on whether your specific needs favor the increased cache resources of the newer model or the lower power requirements of the i5-14400F.