The DeepCool PX1200G and the DeepCool PX850G represent a tie in this objective comparison, as both units share five identical specifications. The primary differentiator between these power supplies is their distinct focus on capacity versus cost. The DeepCool PX1200G holds a significant advantage in total wattage, offering 41% more power capacity than its counterpart, while the DeepCool PX850G provides a notable 35% advantage in MSRP, making it the more economical option for system builders.

Choose the DeepCool PX1200G if your build requires high power output to support demanding hardware configurations. Conversely, select the DeepCool PX850G if you prioritize cost savings and your system does not require the additional wattage provided by the larger unit. Both power supplies offer equivalent performance across the majority of their shared specifications, allowing you to base your final decision strictly on whether you need the extra power headroom or a lower initial investment.