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alessandro1001
07-08-2011, 06:40 AM
i download patch 1.9 and all graphics updrade . and now i can play with all ultra option . and with sync on i can play about 60 fps and very fantastic graphics . but when i choose d11 enable it get me to windows mode and bad graphics and the fps is about 24 . why ?





my gbu 6990 HD

8 gb of ram

and all other hardware are powerfull .

DeadPhoenix86
07-10-2011, 01:12 PM
turn v-sync off. its a issue that needs to be fixed with the upcoming drivers.

buckiesmalls
07-10-2011, 07:24 PM
turn v-sync off. its a issue that needs to be fixed with the upcoming drivers.

Then turn it back on, clears it right up.

DeadPhoenix86
07-11-2011, 05:05 AM
Then turn it back on, clears it right up.

that never helped for me either. i hate playing with v-sync myself. because of the horrible input delay.

5heep
07-11-2011, 07:02 AM
Buy Nvidia...

kenpojujitsu3
07-11-2011, 10:16 AM
Buy Nvidia...

No need. I run it fine on Crossfire 5870s.

pixelsmack
07-14-2011, 02:17 AM
Even with my single mid-level 6970 (2gb) I can play Crysis2 full max settings DX11 HR texts at 1280x720 at 45-60fps. When I jumped to 1920x1080 it does get choppy (12-35). I ONLY play with vsync on though. I cannot STAND screen tearing.

DeadPhoenix86
07-14-2011, 06:10 AM
Even with my single mid-level 6970 (2gb) I can play Crysis2 full max settings DX11 HR texts at 1280x720 at 45-60fps. When I jumped to 1920x1080 it does get choppy (12-35). I ONLY play with vsync on though. I cannot STAND screen tearing.

the HD6970 is a high end card. its true that Crysis 2 kills the frame rate. i have GTX 580 SLI myself. and when i run at 1080p. it goes from 80 fps down to 35 fps for no reason. i kind of blame the drivers. the game simply has bad support for SLI. my cards never stick to 99% usage all the time.

just wait for the next upcoming drivers or patches to come out. hopefully the performance issue will be solved by then.

if i enable v-sync. i get 50 fps.

ForgottenOne
07-14-2011, 03:48 PM
i have GTX 580 SLI myself. and when i run at 1080p. it goes from 80 fps down to 35 fps for no reason. i kind of blame the drivers. the game simply has bad support for SLI. my cards never stick to 99% usage all the time.


SLI seems fine by me. With GTX 480 SLI, DX11+Ultra+Highres textures at 1920x1080 C2 not only looks stunning but runs as slick as snot on a doorknob. BTW, my understanding is that when properly coded and running on contemprary hardware, DX11 is supposed to be a more efficient API. Meaning things like particles and tessellation can be produced with less of a performance hit than previous API's.

I've seen a max of 72% per GPU (with very good scaling), no more than 53c thermal load and almost max VRAM usage. Again, this doesn't seem bad to me.

NanoIce
07-15-2011, 01:21 AM
Same issue (http://forums.steampowered.com/forums/showthread.php?t=1993993) here