The Intel Core Ultra 9 285KF is the objective winner of this comparison, securing a victory in one specification while tying the Intel Core Ultra 9 285K across all other categories. The most impactful advantage offered by the Intel Core Ultra 9 285KF is its superior PCIe lane count, which provides a 20% improvement over the alternative. This technical edge makes it the more capable option for users prioritizing expanded connectivity and hardware interface capacity.

Users who require the maximum available PCIe lanes for their system configuration should choose the Intel Core Ultra 9 285KF to benefit from its 20% advantage. Conversely, those who do not prioritize this specific connectivity improvement will find that the Intel Core Ultra 9 285K offers identical performance across the remaining 16 comparable fields. Both processors provide the same technical foundation for any build, provided the user accounts for the difference in PCIe lane capacity.