Overclock hd 7750

[Salman Soomro]

I want to over clock my gigabyte hd 7750 ddr3 card having core clock at 850 mhz and the memory clock at 800 mhz. I want to know how much i can safely overclock this card to. And how much voltage should i increase ? i am having lags (20 to 25fps avg) in need for speed most wanted 2012 at 1680x1050 at maxed details..

 

[cuecuemore]

You should be able to get it to 800 MHz core with no additional voltage. What is the memory clock at right now?

 

[Salman Soomro]

You should be able to get it to 800 MHz core with no additional voltage. What is the memory clock at right now?

The memory clock is at 800mhz and the core clock is at 850mhz. Also the gigabyte site has listed the card's effective memory at 1600 mhz whereas i have the memory clock at 800 mhz