So, Newegg has two different MSI R9 390X's on it's websites. One is $499.99 CAD, PCI 2.0. The other is $539.99 CAD, PCI 3.0. I also noticed that the 3.0 has a much lower power consumption (208W vs 275). Is this information correct? Will I see any performance difference on a PCI 2.0 MOBO?
http://www.newegg.ca/Product/Productcompare.aspx?CompareItemList=-1%7C14-127-872%5E14-127-872%2C14-127-873%5E14-127-873
http://www.newegg.ca/Product/Productcompare.aspx?CompareItemList=-1%7C14-127-872%5E14-127-872%2C14-127-873%5E14-127-873