The be quiet! Pure Power 13 M 750W and the MSI MPG A750G PCIE5 are objectively tied, as both units secure an equal number of spec victories across the evaluated categories. The most impactful advantage for the be quiet! Pure Power 13 M 750W is its ATX version, which provides a 3% improvement. Conversely, the MSI MPG A750G PCIE5 holds a significant lead in cable management flexibility, offering a 50% advantage in its modular design.

Users prioritizing the latest ATX version standards should select the be quiet! Pure Power 13 M 750W for their build. Those who value ease of installation and cable management should choose the MSI MPG A750G PCIE5 due to its superior modularity. Since both power supplies perform identically across the remaining five specifications, the final decision rests entirely on whether the user prefers the specific ATX version or the increased modularity offered by these components.