I was wondering which is better for gaming, MSI GTX 960 or Sapphire Nitro Radeon R9 380, both 4GB. Here are the links to the exact ones I'm taking about: R9 380 - http://www.newegg.com/global/uk/Product/Product.aspx?Item=14-202-166 GTX 960 - http://m.newegg.com/Product/index?itemnumber=N82E16814127929