Not necessarily. Nanite compresses meshes (including in-memory) _very_ heavily, and _also_ streams in only the visible mesh data. In general, I wouldn't think

Not necessarily. Nanite compresses meshes (including in-memory) _very_ heavily, and _also_ streams in only the visible mesh data. In general, I wouldn't think of Nanite as "one thing". It's a combination of many, many different techniques that add up into some really good technology.