Which Radeon HD 7970 to buy?

Hello guys, my processor is intel core i7 3930K, I am not sure which graphics card should I choose and what is the difference ?? pls help me :'(:cool:
:'(
 
Well if you are not going to watercool it, I would take the cooling solution into consideration. The new Hydro-cell (updated Vapor chamber) are much better than just a copper base/fin array.
also case ventilation, a blower sytle will exit all the heated air out the back as opposed to an open air cooler that diffuses all the heat into your case.
If your a heavy OC'er look at the power phasing, Voltage controller (CHL vs Volterra) etc
 
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