The official website about VSR doesn't have 1680x1050 on their supported list.
However, I did read on another forum that for some people, VSR on that resolution works, and for some, doesn't.
I would like to know if VSR really supports monitors at resolution 1680x1050 and if it does, to what resolution it can virtually go up to.
Here's what AMD says > What Is Virtual Super Resolution and How Does It Work?