The Intel Core i7-11700K is the objective winner of this comparison, securing victory across eight of the fourteen evaluated specifications. Its most significant technical advantage is the L2 Cache, which performs 300% better than the alternative. This substantial increase in cache capacity provides the primary performance edge for the newer processor, establishing it as the superior choice based on the provided hardware metrics.

Users prioritizing modern architecture and increased cache capacity should select the Intel Core i7-11700K for their builds. Conversely, the Intel Core i7-7700K remains a viable option for those specifically seeking a 64% advantage in Max Turbo Power efficiency. Choosing between these two components depends on whether your specific computing needs are better served by the superior cache architecture of the newer model or the power-related advantages offered by the older unit.