Directx 9/10/11 for older cards

[bononos]

What should be the directx setting for the 5850 cypress generation card for newer games like Metro2033/Light for a balance of good perf/nice graphics?

Should I set it at dx11 but disable tesselation? Is the improvement of dx10 worth over dx9?

Edit- Found out there were comparisons done at:
http://www.hardocp.com/article/2010/04/05/metro_2033_directx_11_gameplay_performance_iq/7

http://www.tomshardware.com/reviews/crysis-2-directx-11-performance,2983-5.html

 

[frozentundra123456]

What should be the directx setting for the 5850 cypress generation card for newer games like Metro2033/Light for a balance of good perf/nice graphics?

Should I set it at dx11 but disable tesselation? Is the improvement of dx10 worth over dx9?[/QUOTE

I have a 7770, so could not max out the eye candy. TBH I could not tell much difference at the relatively low settings I had to use. I think I ended up using dx 10. Talking about metro 2033.