The AMD Ryzen 9 7900X is the objective winner of this comparison, securing victories in ten out of fourteen measured specifications. Its most significant technical advantage is its L2 cache, which is 700% larger than that of the Intel Core i5-10400F. This substantial cache capacity provides the primary performance edge for the AMD processor across the majority of the evaluated categories, establishing it as the superior component based on the provided technical data.

Users prioritizing high-end technical specifications and the benefits of a significantly larger L2 cache should choose the AMD Ryzen 9 7900X for their build. Conversely, the Intel Core i5-10400F is the better option for budget-conscious buyers, as it holds a 71% advantage in MSRP. Selecting between these two components depends on whether the user values the raw technical superiority of the Ryzen or the cost-effectiveness offered by the Intel model.