5750 crossfire or 5850?

5850 is the obvious choice, less power consumption, roughly the same performance, No scaling issues, less heat.....

Just make sure you have a 500W quality power supply or better. And that the rest of your system is fairly up to date.
 

greggt316

Distinguished
Jan 19, 2010
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5850...cheap and can run anything at 1920x1080 smoothly except for maybe crysis (coming from a sapphire 5850 owner)