The AMD Ryzen 9 3900X and the Intel Core i3-14100 are tied in this objective comparison, as each processor leads in six out of fourteen specifications. The most significant advantage for the AMD Ryzen 9 3900X is its L3 cache, which is 433% larger than that of its competitor. Conversely, the Intel Core i3-14100 holds a substantial lead in affordability, offering an MSRP that is 73% better than the alternative.

Users prioritizing high-capacity cache for specific processing tasks should select the AMD Ryzen 9 3900X to leverage its superior L3 cache size. Those focused on budget-conscious builds should choose the Intel Core i3-14100, as it provides a significant advantage in MSRP. Because these components are tied across the majority of measured specifications, the final decision depends entirely on whether your primary requirement is the increased cache capacity or the lower cost.