5850 is better
* DirectX11
*Shader Model 5.0
*ATI EyeFinity
*New card (will be great for more than couple of years)
*Great gaming experience
*Performs exceptionally upto 1920x1200
5850 is better
* DirectX11
*Shader Model 5.0
*ATI EyeFinity
*New card (will be great for more than couple of years)
*Great gaming experience
*Performs exceptionally upto 1920x1200
HD5850, it runs cooler, 40nm, better than GTX285, and like mfarrukh said it is a DX11 card so it is future proof, and it doesn't require a big PSU to run it ( a 500-550w PSU will do the job )