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Poor deus ex dx9 performance

February 4, 2013 2:37:06 AM

Hey guys, it's been a while since I've posted a question, seeing how google answers most of them. But this one has me scratching my head. First is first. Specs.

Windows 7 x64 pro

3570k @ 4.2

hd 7850 @ 1130/1450 [stock is 860/1200]

catalyst 13.1

16gb ram

z77 asrock extreme 4

750watt corsair hx750 psu

i assume all other parts dont really matter. as you can see, i should be able to run Deus Ex Human Revolution max at any setting, regardless of which Direct X I pick right?

Wrong.

I get a huge performance hit when i pick dx 9. staring into some in game lights drops me to 45 fps. if ssao is disabled, i can get up to 90 fps. not that it's so terrible, but once i install enb series mod, it drops it to around 5 fps.

dx11 runs around 140 fps, everything maxx'd. what's going on here? i uninstalled the game, and reinstalled it, but i can't seem to figure out the problem... any ideas guys? i heard enb series mod is great and i would like to play the game with it, but if i can't get it to work, i guess i can use sweetfx..
!