Problems macpro 5.1

[Rob187]

I have updated my mac pro from 4.1 8 core to 5.1 12 core.
I installed 64 gig of memory and i bought a second hand 680 gtx.

Everything works so far only i have some serieus after effects problems.
After effects is really slow and i always get this message...


The GPU-accelaerated ray-traced 3d renderer does not have enough free video memory (VRAM) to operate. The ray-traced 3d renderer will use the CPU bla bla bla.

So i know there is an issue with the graphic card... I didn't flash it because i don't need the boot screen. But can someone tell me how i can fix my graphic card.. Or is it broken, is there a program what can help me...

Please help me because i can't work this way in after effects... Previews and interface delays are killing me!

 

[MacVidCards]

I have updated my mac pro from 4.1 8 core to 5.1 12 core.
I installed 64 gig of memory and i bought a second hand 680 gtx.

Everything works so far only i have some serieus after effects problems.
After effects is really slow and i always get this message...


The GPU-accelaerated ray-traced 3d renderer does not have enough free video memory (VRAM) to operate. The ray-traced 3d renderer will use the CPU bla bla bla.

So i know there is an issue with the graphic card... I didn't flash it because i don't need the boot screen. But can someone tell me how i can fix my graphic card.. Or is it broken, is there a program what can help me...

Please help me because i can't work this way in after effects... Previews and interface delays are killing me!

GTX680 with 2GB?

 

[Rob187]

Yes it's a evga gtx 680 2GB

 

[MacVidCards]

Looks like you need a GPU with more VRAM

 

[Rob187]

Thanks for you reply..

Okay and what do you suggest? It's strange because it's slower then my hackintosh with a gtx 580. When i play starcraft it's only possible to play with the lowest settings. How can i check the card if there is something wrong?

Is it possible to test the gtx 580 in the mac or do i need a extra power supply?