The Corsair RM750x (2024) and the MSI MPG A850G PCIE5 are objectively tied, as both units share identical ratings across five of the seven measured categories. While the Corsair RM750x (2024) holds a 3% advantage in its ATX version specification, the MSI MPG A850G PCIE5 provides a more significant 13% advantage in total wattage. These marginal differences result in a balanced comparison where neither power supply dominates the other across the evaluated technical fields.

Choose the MSI MPG A850G PCIE5 if your system configuration requires the higher wattage capacity provided by its 13% advantage. Conversely, opt for the Corsair RM750x (2024) if your build prioritizes the specific ATX version standard where it maintains its 3% lead. Since both units perform equally in the majority of tested specifications, your final selection should depend entirely on whether your hardware demands the extra power headroom or the specific ATX version compatibility.