Specs for the RX 480 (that appears to be its official name) have apparently been leaked by a slide from AMD's presentation, and puts it between Nvidia's 970 and 970, or what's the same, about the same spot as the 390X.
AMD Radeon RX 480 specifications leaked?
http://videocardz.com/60752/amd-radeon-rx-480-specifications-leaked
AMD will have a conference later on today at Computex, you can talk about it at shikamaru's thread: http://gamrconnect.vgchartz.com/thread.php?id=217071
Please excuse my bad English.
Currently gaming on a PC with an i5-4670k@stock (for now), 16Gb RAM 1600 MHz and a GTX 1070
Steam / Live / NNID : jonxiquet Add me if you want, but I'm a single player gamer.