I've been hearing rumors that Ryzen 3000 will likely break 5 GHz on their upper mid level chips upon release. Based on the prospective charts I've seen it looks like they are going to really hammer Intel for a couple of years. I've also been hearing about up to 20 Navi CU being attached to some of their chips. If this is true, they could really shake up the APU performance levels again.
On another note, I've also been hearing that Navi will be likely to release this next year with prices that will really make nVidia compete (also seems AMD may try to preemptively take nVidia's naming scheme from them by using 30xx designations - pretty funny, really). I think it was Vega 56 performance at ~$200, RX 580 performance at ~$130 on a totally PCIe powered card. And, Vega 64 +~15% for around $250. If these prices and performance levels hold true we may see a strong battle in the mid-level GPU market this year.
Take all of this with a grain of salt, of course. But, if true this next year could be pretty exciting.