The be quiet! Pure Power 13 M 1200W and the DeepCool PX850G are evenly matched, resulting in an objective tie across the majority of their specifications. The primary differentiator between these two power supplies is their specific area of superiority. The be quiet! Pure Power 13 M 1200W offers a significant advantage in total wattage, providing 41% more power capacity, while the DeepCool PX850G holds a 52% advantage regarding its MSRP.

Users requiring maximum power overhead for high-draw components should select the be quiet! Pure Power 13 M 1200W to leverage its superior wattage capacity. Conversely, those prioritizing budget efficiency should choose the DeepCool PX850G, as it offers a substantial advantage in MSRP. Both units provide equivalent performance across the remaining technical categories, making the final decision dependent entirely on whether the user values higher power output or a lower initial cost.