The Intel Core Ultra 5 245K is the objective winner of this comparison, securing victory in eight of the sixteen evaluated categories. Its most significant technical advantage is the L2 cache, which is 174% larger than that of the Intel Core i5-14400F. This substantial increase in cache capacity provides the primary performance edge for the newer architecture, establishing it as the superior option based on the provided specifications.

Users prioritizing power efficiency should select the Intel Core i5-14400F, as it holds a 48% advantage in TDP compared to the alternative. Conversely, those who require the enhanced L2 cache capacity for their computing tasks should choose the Intel Core Ultra 5 245K. By weighing the importance of thermal design power against memory architecture, buyers can align their specific system requirements with the distinct strengths offered by each processor.