The be quiet! Dark Power Pro 13 1300W and the Corsair RM1200x SHIFT are tied in this objective comparison, as each unit secures two specification wins with five categories resulting in a draw. The most impactful advantage for the be quiet! Dark Power Pro 13 1300W is its efficiency, which is 50% better than its competitor. Conversely, the Corsair RM1200x SHIFT holds a significant lead in value, offering an MSRP that is 41% better than the alternative.

Users prioritizing maximum power efficiency should select the be quiet! Dark Power Pro 13 1300W for their build. This unit is the superior choice for those who value energy performance above all else. Alternatively, the Corsair RM1200x SHIFT is the ideal option for budget-conscious builders who want to maximize their savings. By choosing the latter, users benefit from the 41% advantage in MSRP while maintaining a comparable feature set to the former.