The HD3200 is onboard graphics built into your motherboard. It is intended for general computer use and not really gaming. It will handle games that are a few years old pretty well but for current games you really need an actual video card.
you can get a cheap graphics card and run both in hybrid crossfire.
Did you actually look at those benchmarks before making the suggestion? It shows the setup your are recommending getting unplayable frame rates at low resolutions in games that are now a couple of years old.