Well, the gap between AMD's 7600 and the 770XT GPUs is big enough to fit the 7600XT and bring some fight to Nvidia's 4060, but I don't see where they'll be able to fit something like the 7800.
The hypothetical 7700 would depend on how well the 7600XT performs.
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.