The Intel Core Ultra 7 265K is the objective winner of this comparison, securing victory in ten out of fourteen measured specifications. Its most impactful advantage is a 2300% larger L2 cache compared to the Intel Core i5-10600K. While the older processor maintains a lead in three categories, the significant architectural improvements in the newer model provide a clear technical superiority across the majority of the evaluated metrics.

Users prioritizing the latest architectural advancements and the substantial L2 cache capacity should choose the Intel Core Ultra 7 265K for their build. Conversely, the Intel Core i5-10600K remains a viable option for budget-conscious buyers, as it holds a 34% advantage in MSRP. Select the former for maximum technical capability or the latter if minimizing the initial purchase cost is the primary requirement for your system.