Amd Hawaii. Amd is planning to introduce its hawaii gpu at the end of september according to a report on bsn. With a die size of 438 mm² and a transistor count of 6,200 million it is a very big chip.
Amd radeon ™ r7 300 series: Thanks to more texture mapping units and raster operating units we have 30% and 90% fill rate increase for textures. Not much else is known about the event other than amd is expected to push battlefield 4 pretty heavily as it is expected to be the bundled game with the company's flagship hawaii based gpu.