My last gen mind tells me not to go over 512 x 512 for this, but I know I would be hurting myself if I did that, plus I noticed that normal maps don't really look too good at that res, at least when baked directly to that res. I was given a week to do this but since I work the third shift I won't have much time at all to…
512 can be more than enough if you consider other layers that can be added to create the illusion of more detail. Using detail textures in ways other than adding high frequency noise for textures seen up close, you can have a brick wall texture that tiles both vertically+horizontally, and with the detail texture have some…