On Saturday, AMD will introduce GPU Tonga and products based on it.
On Saturday will be released only the youngest of video card named Radeon R9 285. Its characteristics are yet to be finalized, but the positioning is already defined: namely Radeon R9 285 located on the lower level of the market after the Radeon R9 280X . Radeon R9 280 will be produced , but the Radeon R9 280X must be replaced by the Radeon R9 285X. It is not specified if first AMD partners must have time to get rid of stocks Radeon R9 280X.
Since the Radeon R9 285 does not hurt, then it goes on sale in early September.