I, i have a Gigabyte MA785GM-US2H rev1.0, 6gb RAM with AMD Athlon II x2 245 and a GeForce GT740 1024mb DDR3 and i wanna know if i am bottlenecking with my GPU cause i only have a PCI-e 2.0 ? theres is something wrong with my setup and if yes, wath is the best to do for me?