I'm looking to getting two 7950s for Mining ATM the will be in my gaming case but eventually and open air minding case so I was wondering which one of these would be better for mining.

http://www.newegg.com/Product/Product.aspx?Item=N82E16814125414 Gigabyte
http://www.newegg.com/Product/Product.aspx?Item=N82E16814127667 MSI