The be quiet! Pure Power 12 M 750W and the DeepCool PX1200G are tied in their overall objective performance, as both units share five identical specifications. The primary differentiator between these two power supplies is their specific area of superiority. The be quiet! Pure Power 12 M 750W holds a 35% advantage in MSRP, making it the more cost-effective option, while the DeepCool PX1200G offers a 60% advantage in total wattage capacity for more demanding hardware configurations.

Users prioritizing budget efficiency should select the be quiet! Pure Power 12 M 750W, as it provides the most favorable MSRP. Conversely, those building high-performance systems that require significant power overhead should choose the DeepCool PX1200G. Because both units are otherwise equivalent across five key metrics, the final decision rests entirely on whether the user needs the higher wattage output of the DeepCool model or the financial savings offered by the be quiet! unit.