I bought a 650 ti boost 2b from best buy for about 200 and i'm considering returning it and picking up a 270x. Will there be a big performance difference and also will i need a larger psu than a 500 watt?
Power supply: http://www.newegg.com/Product/Product.aspx?Item=N82E16817171031
Power supply: http://www.newegg.com/Product/Product.aspx?Item=N82E16817171031