Double the VRAM for high-resolution gaming. http://www.bit-tech.net/news/hardware/2014/11/06/amd-r9-290x-8gb/1
Power Color, VTX3D and Club3D compatible. http://www.bit-tech.net/news/hardware/2014/08/14/ek-non-reference/1
Stock heatsink gets scrapped. http://www.bit-tech.net/news/hardware/2013/12/10/asus-r9-290x/1
Performance variance patch planned. http://www.bit-tech.net/news/hardware/2013/11/06/amd-denies-cherry-picking/1
Non-X model launch shifted by a week. http://www.bit-tech.net/news/hardware/2013/10/31/amd-r9-290-delay/1
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