The Intel Core Ultra 9 285KF is the objective winner of this comparison, securing victory in nine of the sixteen evaluated categories. Its most significant technical advantage is the inclusion of double the number of E-Cores compared to the Intel Core Ultra 5 245KF, representing a 100% improvement in that specific metric. While both processors share several identical specifications, the higher-tier model demonstrates a clear lead in core architecture and overall feature density.

Users prioritizing maximum core count for intensive multitasking should select the Intel Core Ultra 9 285KF to leverage its superior E-Core configuration. Conversely, the Intel Core Ultra 5 245KF is the logical choice for budget-conscious builders, as it offers a 52% advantage in MSRP. Choosing between these two components depends entirely on whether your primary requirement is the expanded processing capacity of the higher-tier model or the significant cost efficiency provided by the lower-tier option.