The NVIDIA RTX 3090 is the objective winner of this comparison, securing victory in eight out of thirteen measured categories. Its most significant technical advantage is its FP32 performance, which is 400% better than that of the AMD RX 590. While the AMD RX 590 holds a lead in four categories, the substantial performance gap in computational throughput establishes the NVIDIA RTX 3090 as the superior component based on the provided specifications.

Users prioritizing raw computational power should select the NVIDIA RTX 3090 to leverage its massive advantage in FP32 performance. Conversely, the AMD RX 590 is the appropriate choice for buyers who prioritize a lower MSRP, as it offers an 81% advantage in that specific metric. Your final decision should depend on whether your primary requirement is the high-end performance capacity of the NVIDIA card or the cost-focused value proposition offered by the AMD alternative.