The Intel Core Ultra 5 225 is the objective winner of this comparison, securing victory in nine out of fifteen measured specifications. While the Intel Core i5-12400F maintains a notable lead in thread count, offering a 20% advantage in that category, the Intel Core Ultra 5 225 dominates in memory architecture. Its most impactful advantage is a 193% larger L2 cache, which provides a substantial technical edge over the older architecture found in the alternative.

Users prioritizing raw thread capacity for specific multitasking workloads should select the Intel Core i5-12400F to leverage its 20% advantage in that area. Conversely, those who require the superior L2 cache capacity provided by the Intel Core Ultra 5 225 should choose the newer model. By focusing on these distinct architectural differences, buyers can align their hardware selection with their specific technical requirements rather than relying on general performance assumptions.