The Seasonic Prime TX-1300 ATX 3.1 wins in 6 out of 9 comparable specs, with 2 ties. Its biggest advantage is PCIe Connectors (150% better).
V850 SFX Gold wins in 1 spec (MSRP: 58% better).
Recommendation
Choose Prime TX-1300 ATX 3.1 if you want the best overall performance — especially pcie connectors.
Choose V850 SFX Gold if msrp matters more to you.
