How much performance would I lose by getting this
http://www.newegg.com/Product/Product.aspx?Item=N82E16814202030 compared to the gigabyte also my cooling consists of my stock fans in my cooler master storm trooper and a Thermaltake Frio OCK (not sure if this matters but it does take up some space) I also have a reference 7970 in my system atm to.