The NVIDIA RTX 5080 is the objective winner of this comparison, securing victories in twelve out of fifteen measured categories. Its most significant technical advantage is its FP32 performance, which is 177% better than that of the NVIDIA RTX 3070. This substantial lead in raw computational capability establishes the newer card as the superior option for users prioritizing high-end processing power and modern hardware specifications.

Choose the NVIDIA RTX 5080 if your primary goal is maximizing FP32 performance for demanding computational tasks. Conversely, the NVIDIA RTX 3070 remains a viable alternative for budget-conscious users, as it holds a 50% advantage in MSRP. Select the former for peak technical output or the latter if the lower initial cost is your most important consideration when building your system.