The be quiet! Pure Power 12 M 750W and the be quiet! Pure Power 13 M 1200W result in an objective tie across the majority of their technical specifications. While both units share five identical performance metrics, they diverge significantly in their primary value propositions. The be quiet! Pure Power 12 M 750W holds a decisive advantage in MSRP, which is 52% better than its counterpart, while the be quiet! Pure Power 13 M 1200W offers a 60% superior wattage capacity.

Choose the be quiet! Pure Power 12 M 750W if you are building a standard system and prioritize a lower MSRP to manage your total build costs. Conversely, select the be quiet! Pure Power 13 M 1200W if your hardware configuration requires the significantly higher wattage provided by this unit. Both power supplies offer equivalent performance in all other measured categories, allowing you to base your final decision strictly on your specific power requirements and budget constraints.