The Intel Core i9-14900KS is the objective winner of this comparison, securing victory in eight of the fourteen evaluated specifications. Its most significant technical advantage is the L2 cache, which is 967% larger than that of the alternative. While the Intel Core i5-11600K maintains a lead in four categories, the substantial cache capacity of the newer model represents the most impactful performance-oriented difference between these two processors.

Users prioritizing maximum cache capacity for their computing tasks should select the Intel Core i9-14900KS to leverage its superior architectural specifications. Conversely, the Intel Core i5-11600K is the appropriate choice for buyers who prioritize a lower MSRP, as it holds a 63% advantage in that specific metric. Your final decision should depend on whether you value the expansive cache size of the newer processor or the cost-efficiency offered by the older model.