The 6200 will outperform FX 5200's, 5500's, 5600's, 5700's and the god-forsaken 5800. The 5900's are faster than the 6200, but SERIOUSLY lack the feature set of the 6-series. the FX series doesn't do DirectX 9, the 6200 does. I would imagine the 6200 is about as fast as a 5900XT or a vanilla 5900.