GEFORCE GTX 970 O RADEON R9 390 ?

GeForce GTX 970: http://goo.gl/HeHHXh Radeon R9 390: http://goo.gl/R3U4Cc TWITTER ► https://twitter.com/ferrystech FACEBOOK ► https://www.facebook.com/ferrystech ISCRIVITI ►http://www.youtube.com/user/veteranusvitae?sub_confirmation=1 FACEBOOK PERSONALE ► https://www.facebook.com/andrea.ferrario