The NVIDIA RTX A6000 is the objective winner of this comparison, securing victory in eight of the fourteen evaluated specifications. Its most significant advantage over the competition is its VRAM capacity, which is 100% higher than that of the alternative. While the NVIDIA RTX 3090 manages to win in three categories, it falls behind in the majority of technical metrics, highlighting the superior memory resources offered by the A6000.

Users who prioritize maximum memory capacity for intensive professional workloads should choose the NVIDIA RTX A6000 to leverage its substantial VRAM advantage. Conversely, the NVIDIA RTX 3090 is the better option for buyers focused on the MSRP, as it offers a 68% advantage in that specific category. Selecting between these two components depends entirely on whether your primary requirement is the expanded memory buffer of the A6000 or the cost efficiency of the 3090.