The EVGA SuperNOVA 1000 G6 and the Seasonic Prime TX-850 are tied in this objective comparison, as each unit leads in three out of nine measured specifications. The most impactful advantage for the EVGA SuperNOVA 1000 G6 is its 33% higher count of PCIe connectors, which provides greater flexibility for multi-GPU or high-draw component configurations. Conversely, the Seasonic Prime TX-850 offers a 50% advantage in efficiency, representing a significant lead in power conversion performance.

Users requiring maximum connectivity for complex hardware setups should choose the EVGA SuperNOVA 1000 G6 for its superior PCIe connector capacity. Alternatively, those prioritizing energy efficiency and reduced power waste should select the Seasonic Prime TX-850. Both power supplies offer balanced technical profiles, so the final decision rests on whether your specific build demands more physical cable connections or higher operational efficiency standards.