http://www.newegg.com/Product/Product.aspx?Item=N82E16814127759 MSI R9 280X GAMING 3GB 384-bit GDDR5
http://www.newegg.com/Product/Product.aspx?Item=N82E16814127759 PNY VCGGTX7702XPB GeForce GTX 770 2GB 256-bit GDDR5
via PassMark G3D Mark
The 280x has better drr5 and the GCN architecture has Mantle optimization in the works but is it enough to keep up with the Kepler architecture of Nvidia?
http://www.newegg.com/Product/Product.aspx?Item=N82E16814127759 PNY VCGGTX7702XPB GeForce GTX 770 2GB 256-bit GDDR5
via PassMark G3D Mark
The 280x has better drr5 and the GCN architecture has Mantle optimization in the works but is it enough to keep up with the Kepler architecture of Nvidia?