Hi!, i want to upgrade my current Powercolor Radeon HD 6950 2gb to a PNY GTX 960 also 2gb link: https://www.pny.com/gtx-960-2048mb-gddr5?sku=VCGGTX9602XPB I was a click away to buy it and notice de 128 bit Memory Interface, my current card is 256 bit, so i get confused, its worth the upgrade? whats the difference between both memory interface, games are slower? framerate? i have 2 monitors, an intel i7 - 2600k, 8 gb in ram (4 modules kingston hyperx fury 2gb each), any healp whould be awesome, thanks and happy new year!