The Seasonic Prime TX-1300 ATX 3.1 wins in 7 out of 9 comparable specs, with 1 tie. Its biggest advantage is SATA Connectors (100% better).
SuperNOVA 850 G6 wins in 1 spec (MSRP: 66% better).
Recommendation
Choose Prime TX-1300 ATX 3.1 if you want the best overall performance — especially sata connectors.
Choose SuperNOVA 850 G6 if msrp matters more to you.
