Sapphire has gone and pushed the envelope once again, as it has just introduced a 2GB version of the AMD Radeon HD 7790. This card, dubbed the HD 7790 2GB OC Edition, comes factory overclocked to 1050MHz on the core and 1600MHz (6400MHz effective) on the 2GB GDDR5 RAM. The HD 7790 is based on the Bonaire chipset and Graphics Core Next (GCN) architecture on the 28nm process, yet previous versions all had 1GB of RAM. Sometimes more memory is necessary on a video card, which is where Sapphire's 2GB HD 7790 comes in. Other specifications, like the 128-bit memory bus, 896 stream processors, Crossfire and Eyefinity support, two DVI ports, one HDMI, and one DisplayPort, are all the same as the lower memory versions. However, the 2GB card does feature a metal backplate to help with cooling of the extra memory chips.
The Sapphire HD 7790 2GB OC Edition should be available now, though no price was mentioned. Participating retailers are including a copy of BioShock Infinite with every purchase.