The NVIDIA RTX 3090 is the objective winner of this comparison, securing a lead in nine out of fifteen measured specifications. Its most significant advantage over the NVIDIA RTX 3080 is its VRAM capacity, which is 140% higher. While the RTX 3080 holds a notable 53% advantage in MSRP, the superior memory configuration of the RTX 3090 establishes it as the more capable hardware option across the majority of the evaluated technical categories.

Users prioritizing cost-efficiency should select the NVIDIA RTX 3080, as it offers a substantial 53% advantage in MSRP. Conversely, those who require maximum memory capacity for their workloads should choose the NVIDIA RTX 3090. By leveraging its 140% VRAM advantage, the latter is the better fit for tasks that demand extensive memory resources, whereas the former remains the preferred choice for buyers focused on the provided MSRP benefit.