take the X550 Radeon PCI-E Video card i out of the PCI-E slot and put in X1300 Radeon into a standard PCI slot

Can i take the X550 Radeon PCI-E video card i have out of the PCI-E slot and put in a X1300 PCI card into my standard PCI slot and if i do will i get better fps, refresh , etc http://bit.ly/njZiW3