The Seasonic VERTEX GX-1000 wins in 3 out of 9 comparable specs, with 5 ties. Its biggest advantage is SATA Connectors (125% better).
MPG A1000G PCIE5 wins in 1 spec (PCIe Connectors: 100% better).
Recommendation
Choose VERTEX GX-1000 if you want the best overall performance — especially sata connectors.
Choose MPG A1000G PCIE5 if pcie connectors matters more to you.
