Seems to get the best out of these you need Smart Access turned on so you also need a Ryzen 5000 series and supporting board as well.
No RT on vs off numbers at all, no confirmation of any DLSS equivalent features at launch... The 6800XT performance numbers seem compelling but as someone on r/pcgaming pointed out:
My money is on a 3070 still as a decent upgrade over a 2070S OC. It doesn't have 16GB VRAM, but I don't need it at 3440x1440, it's still 30+ fps faster than my current card and it has RT+DLSS which is supported by the games I will be playing in the next 12 months at least so for me that makes sense.
The most annoying thing about the AMD announcement is they completely neglected to show or tell anything about RT performance which leads me to believe that they are not confident enough in the RT optimisation and as such it won't be stellar or nVidia beating in any way at launch. Whilst the prices vs power and performance are good, turn RT on and pretty soon the visual fidelity gains on RTX 30 cards will be what people talk about the most.
I will buy a 6800XT over a 3070/3080 if the RT performance numbers match up to RTX cards, but I cannot see that happening given AMD were totally silent on these, and of course the mish mash of slide consistency as someone mentioned earlier above.