The Thermaltake Toughpower GF3 1200W wins in 3 out of 9 comparable specs, with 4 ties. Its biggest advantage is 12VHPWR Connector (100% better).
SuperNOVA 1000 G6 wins in 2 specs (PCIe Connectors: 60% better).
Recommendation
Choose Toughpower GF3 1200W if you want the best overall performance — especially 12vhpwr connector.
Choose SuperNOVA 1000 G6 if pcie connectors matters more to you.
