The Intel Core i7-12700K is the objective winner of this comparison, securing more wins across the evaluated specifications. Its most impactful advantage is the total core count, which is 100% higher than that of the alternative. While the Intel Core i5-12400 remains a viable option, it falls behind in the majority of technical categories, though it does offer a significant benefit in its MSRP, which is 53% better than the higher-tier model.

Users prioritizing raw processing capacity and multitasking potential should choose the Intel Core i7-12700K to leverage its superior core count. Conversely, the Intel Core i5-12400 is the better selection for budget-conscious builders who want to maximize their value. By selecting the latter, buyers benefit from the substantial MSRP advantage while still obtaining a functional processor that holds its own in the areas where the two components are tied.