The be quiet! Pure Power 13 M 850W is the objective winner of this comparison, securing more category victories than its competitor. Its most impactful advantage is the inclusion of a 12VHPWR connector, which represents a 100% improvement over the alternative. This specific feature provides a significant edge for modern system builds that require direct power delivery for compatible hardware, establishing the unit as the more forward-looking choice based on the provided specifications.

Users prioritizing modern connectivity should select the be quiet! Pure Power 13 M 850W to take advantage of its superior connector support. Conversely, those who place a higher value on cable management flexibility should choose the EVGA SuperNOVA 850 G6, as it offers a 50% advantage in modularity. Both units provide identical performance across the majority of measured fields, making the decision dependent entirely on whether the user requires the latest power standards or enhanced modular design.