Dual R7 260x will be more like between the performance of single R9 270x & R9 280x
So NO dual R7 260x can't outperform a single R9 290/290x
Also it is not recommended to crossfire low/mid- end cards like R7 260x due to the lack of driver support and other issues.
A single card setup is better & more reliable.
You can buy R9 280 at the same price of Two×R7 260x
Dual R7 260x will be more like between the performance of single R9 270x & R9 280x
So NO dual R7 260x can't outperform a single R9 290/290x
Also it is not recommended to crossfire low/mid- end cards like R7 260x due to the lack of driver support and other issues.
A single card setup is better & more reliable.
You can buy R9 280 at the same price of Two×R7 260x
Add up the stream processors and they are still less than half. Then of course there are texture units, ROPs, bus width, and driver limitations with CFX.
Dual R7 260x will be more like between the performance of single R9 270x & R9 280x
So NO dual R7 260x can't outperform a single R9 290/290x
Also it is not recommended to crossfire low/mid- end cards like R7 260x due to the lack of driver support and other issues.
A single card setup is better & more reliable.
You can buy R9 280 at the same price of Two×R7 260x
Thaks A Ton...
But I Still wanna Ask, can a 650w psu can handle r7 260x crossfire?