The Intel Core i9-13900K is the objective winner of this comparison, securing victory in eight of the fourteen measured categories. Its most significant technical advantage is the L2 cache, which offers a 1500% improvement over the alternative. While the Intel Core i7-10700K holds its own in three specific areas, the superior cache capacity of the newer model represents the most substantial performance-related difference between these two processors.

Users prioritizing raw technical specifications and the benefits of a significantly larger L2 cache should select the Intel Core i9-13900K for their build. Conversely, the Intel Core i7-10700K is the better choice for budget-conscious buyers, as it maintains a 37% advantage in MSRP. Choosing between these options depends on whether your primary goal is to maximize cache-heavy processing capabilities or to capitalize on the lower cost of the older hardware.