The Intel Core Ultra 5 235F is the objective winner of this comparison, securing victory in nine out of fourteen measured specifications. While the Intel Core i5-14400 maintains a lead in thread count, offering a 14% advantage in that specific area, the Intel Core Ultra 5 235F provides a significantly more substantial improvement in memory architecture. Its most impactful advantage is a 111% larger L2 cache, which serves as the primary differentiator between these two processors.

Users prioritizing raw thread capacity for multitasking workloads should select the Intel Core i5-14400 to leverage its 14% advantage in that category. Conversely, those who benefit from superior cache performance should choose the Intel Core Ultra 5 235F. By opting for the latter, users gain access to the 111% increase in L2 cache capacity, which represents the most significant technical improvement offered by either component in this head-to-head evaluation.