The Intel Core i7-14700 is the objective winner of this comparison, securing more wins across the evaluated specifications. Its most significant advantage is a 273% larger L2 cache compared to the Intel Core i5-12400. While the Intel Core i5-12400 holds a 47% advantage in Max Turbo Power, the superior cache capacity of the Intel Core i7-14700 provides a more substantial technical lead in this head-to-head evaluation.

Users prioritizing the highest available L2 cache capacity should choose the Intel Core i7-14700 for their system. Conversely, those who specifically require the efficiency profile associated with the Max Turbo Power advantage of the Intel Core i5-12400 will find that component more suitable for their needs. Selecting between these two processors depends on whether your primary requirement is the increased cache size or the specific power configuration offered by the alternative.