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The r9 280x crossfire would be much faster. Crossfire/sli is pretty robust these days. What are your reasons for considering this move as for just about every game the gtx780 is powerful enough at 1080p and below.
Have a look here http://www.techoftomorrow.com/2013/pc/amd-r9-280x-crossfire-results-benchmarks/
They offer a lot of performance for the price.
The r9 280x crossfire would be much faster. Crossfire/sli is pretty robust these days. What are your reasons for considering this move as for just about every game the gtx780 is powerful enough at 1080p and below.
Have a look here http://www.techoftomorrow.com/2013/pc/amd-r9-280x-crossfire-results-benchmarks/
They offer a lot of performance for the price.
Man this is making me consider getting a second 770
Been trying to hold off and see what happens to 780's/290's
 I love my 770's well much more so now I have upgraded my CPU my i5 2500 was kinda holding me back, BF3 is beautiful in motion especially with a 120hz screen.
 I love my 770's well much more so now I have upgraded my CPU my i5 2500 was kinda holding me back, BF3 is beautiful in motion especially with a 120hz screen. 
	