What will be the specs for the graphics/video card and ram of Aoe IV???
We have only seen a little gameplay-like video for now, so it’s totally unknown. But they are aiming for the game to be playable on a big range of PCs, so most probably it is supposed to run fine even on actual mid-range computers. Hope that means they are going to implement a hugely customizable graphic settings, making it adaptable from modest PCs to powerful machines that can handle everything.
I doubt we will get defined system requirements before 2021, since AoE III DE has still to come before AoE IV.