The Intel Core i5-12600KF is the objective winner of this comparison, securing seven spec victories against the three held by the Intel Core i5-12400F. The most significant advantage for the winning processor is its inclusion of E-Cores, which represents a 100% improvement over the alternative. While the Intel Core i5-12400F maintains a 48% advantage in TDP, the superior core configuration of the Intel Core i5-12600KF makes it the more capable component across the majority of measured specifications.

Users prioritizing raw processing versatility should select the Intel Core i5-12600KF to leverage its substantial E-Core advantage. Conversely, the Intel Core i5-12400F is the better choice for those who prioritize power efficiency, as it offers a significantly lower TDP. By choosing based on these specific technical trade-offs, builders can align their hardware selection with either the high-performance core architecture of the former or the power-conscious design of the latter.