The Seasonic Prime TX-1300 ATX 3.1 wins in 5 out of 9 comparable specs, with 3 ties. Its biggest advantage is SATA Connectors (200% better).
Pure Power 13 M 1200W wins in 1 spec (MSRP: 39% better).
Recommendation
Choose Prime TX-1300 ATX 3.1 if you want the best overall performance — especially sata connectors.
Choose Pure Power 13 M 1200W if msrp matters more to you.
