The DeepCool PX850G is the objective winner of this comparison, securing victories in five out of seven evaluated specifications. Its most significant advantage over the Lian Li SP750 is the inclusion of a 12VHPWR connector, which represents a 100% improvement in connectivity for this specific feature. By outperforming the alternative across the majority of technical categories, the DeepCool PX850G establishes itself as the superior option for users prioritizing modern hardware compatibility and overall specification density.

Users requiring the 12VHPWR connector for modern graphics cards should select the DeepCool PX850G to ensure full hardware support. This unit is the clear choice for those seeking the most robust feature set based on the provided specifications. Conversely, the Lian Li SP750 does not hold any individual spec advantages in this comparison, making it a less suitable option for builders who prioritize the technical benefits and connectivity standards offered by the competing model.