The DeepCool PX850G is the objective winner of this comparison, securing more total spec victories across the evaluated categories. Its most impactful advantage is the inclusion of a 12VHPWR connector, which represents a 100% improvement over the alternative. This feature makes the unit significantly more compatible with modern hardware requirements that rely on this specific power delivery standard, providing a clear technical edge for users prioritizing current connectivity options in their system builds.

Choose the DeepCool PX850G if your primary requirement is native support for the 12VHPWR connector to power modern graphics cards without additional adapters. Conversely, select the Seasonic Prime TX-850 if your build priorities favor superior efficiency, where it holds a 50% advantage over the competitor. These distinct benefits allow you to align your power supply choice with either the need for modern interface compatibility or the desire for maximum energy efficiency.