This should help for comparison, if you didn't already read it. I would then Google benchmark tests for the graphic cards on that list and compare the specified results with benchmark tests for your graphic card.
I think your computer should be able to at least run it at mid settings since it's being developed to run even on low-end semi-modern computers.
I think your computer should be able to at least run it at mid settings since it's being developed to run even on low-end semi-modern computers.