1080p vs 1080i and others have nothing to do with internal resolution rendering.
They are related to the way the screen shows every frame. All those process are a little complicate to explain.
Native resolution has became this generation battle ground for the console wars. But wasn´t a thing that most developers were conserned, because in most cases it doesn´t affect game play.
Unfortunally, almost one year after there are still endless discusions on foruns about images that people couldn´t tell the resolution they are, even side by side.







