That card is decent performer. Was there a budget you wanted to maintain?? The 9250 is a good performer for the price, but there are many better boards as well.
No, monitor refresh rate is a bit different from that, LMAO. The refresh rate is how many times the monitor draws. So yeah, technically, you would have 4 of the the SAME scence, but your eye will not even notice it.
If you want to push your budget a bit further and get an AWESOME CARD, then do this: