The Intel Core i9-13900K is the objective winner of this comparison, securing victory across nine of the fourteen evaluated specifications. Its most significant technical advantage is the L2 Cache, which is 3100% larger than that of the Intel Core i7-7700K. While the latter component maintains a 64% lead in Max Turbo Power, the superior cache capacity of the former provides a substantial architectural edge that defines its overall performance profile in this head-to-head assessment.

Users prioritizing modern architectural efficiency and the massive L2 Cache advantage should select the Intel Core i9-13900K for their build. Conversely, the Intel Core i7-7700K remains a viable option for those specifically seeking the higher Max Turbo Power rating provided by that unit. Choosing between these processors depends on whether your requirements align more closely with the expanded cache capacity of the newer model or the specific power characteristics of the older hardware.