That would not be crossfire but dual graphics. According to AMD the recommended pairing for the A8 is the R7 240, but unfortunately they don't say if it will work with the R7 250 or not as well. If you have the card, try it.
That would not be crossfire but dual graphics. According to AMD the recommended pairing for the A8 is the R7 240, but unfortunately they don't say if it will work with the R7 250 or not as well. If you have the card, try it.