The Corsair SF850 is the objective winner of this comparison, securing more individual specification wins than the MSI MPG A850G PCIE5. The most significant technical advantage held by the Corsair SF850 is its efficiency, which is 25% better than that of its competitor. While both units share several identical specifications, the superior efficiency rating makes the Corsair SF850 the more refined choice for users prioritizing power management and operational performance in their system builds.

Choose the Corsair SF850 if your primary goal is maximizing power efficiency for your PC configuration. Conversely, the MSI MPG A850G PCIE5 is the better option for budget-conscious builders, as it offers a 35% advantage in MSRP. By selecting the MSI MPG A850G PCIE5, you prioritize lower initial acquisition costs, whereas selecting the Corsair SF850 provides a clear benefit in energy efficiency for your long-term hardware setup.