>>417768393
If it fits in two 4k's, then yes.
But if you're going to use 4 separate 4k textures because that's what you need to fit all those posters/photos into, it's the same amount of VRAM usage either way. Splitting it up isn't going to help in that regard unless you setup the map into separate blocks so that only one of those textures is ever on-screen at once.