The NVIDIA GeForce RTX 5090D is the objective winner of this comparison, securing victory in twelve out of fourteen measured specifications. Its most significant technical advantage over the NVIDIA RTX 3060 12 GB is its FP32 performance, which is 723% higher. While the older card maintains a lead in MSRP, the newer model dominates the hardware landscape by offering vastly superior raw computational power across the vast majority of the evaluated technical categories.

Users prioritizing maximum computational throughput should select the NVIDIA GeForce RTX 5090D to leverage its massive lead in FP32 performance. Conversely, the NVIDIA RTX 3060 12 GB is the appropriate choice for budget-conscious buyers who prioritize a lower MSRP over the raw performance capabilities of the newer hardware. Choosing between these two components depends entirely on whether your primary requirement is the highest available technical specification or a more accessible entry cost.