- Jan 19, 2012
- 106
- 0
- 18,680
Hi, when I had one 6870 I ran unigine heaven at maximum and got 15-20 frames per second. When i bought another one and put them in crossfire I got like 40-50 fps. Now I don't know why i'm getting only 15 fps, in fact if i go into amd overdrive i can see that one card is working and the other one is not doing anything! Maybe it's because of the insufficient PSU? It's a Vultec 750 (the trademark is bad) and im going to but a Corsair GS 800. It may be because of the PSU because when I ran Dirt 3 at ultra settings it started buzzing, so i turned the whole thing off and it was hot e smelled strange (tell me it's because of the PSU!).
Then another thing: I have an asus M4A88TD-V EVO/USB3 with 1 PCIe 16x slot, and 1 PCIe 16x slot (@ 4x mode).
So the second card will never work at it's maximum? I've also read that yes it will go a little slower, but so little that you won't notice. But still 2x PCIe 16x slot (going both @ x16) will be better right?
Then another thing: I have an asus M4A88TD-V EVO/USB3 with 1 PCIe 16x slot, and 1 PCIe 16x slot (@ 4x mode).
So the second card will never work at it's maximum? I've also read that yes it will go a little slower, but so little that you won't notice. But still 2x PCIe 16x slot (going both @ x16) will be better right?
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