Are these 2 cards the same other than the one having an oc already?
http://www.newegg.com/Product/Product.aspx?Item=N82E16814125821&cm_re=r9_380-_-14-125-821-_-Product
http://www.newegg.com/Product/Product.aspx?Item=N82E16814125793&cm_re=r9_380-_-14-125-793-_-Product
http://www.newegg.com/Product/Product.aspx?Item=N82E16814125821&cm_re=r9_380-_-14-125-821-_-Product
http://www.newegg.com/Product/Product.aspx?Item=N82E16814125793&cm_re=r9_380-_-14-125-793-_-Product