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I have this motherboard with 2 PCI-E Graphics cards, apparently only one of them is actually x16 what ever that means.
http://www.gigabyte.com/products/product-page.aspx?pid=2625#ov
If I put the same graphics card in each slot, will I get a performance boost in games? (I belive SLI is not supported on this board, although the card I have do support it)
This is the video card I have and I was going to get another one.
http://www.gigabyte.eu/products/product-page.aspx?pid=2804#ov
And can someone please explain the difference between "PCI-E 16 x4" and "PCI-E 16 x16"?
Thanks heaps.
UPDATE:
Performance Mark Tests showed 10FPS in Complex 3D tests on the x4 Slot and 57+ FPS on the x16 slot.
Nothing else really differed.
I've used a second card mostly as physx and to do processing for a secondary display. – HTDutchy – 2012-04-02T13:13:30.337
Can you set which card is used for PhysX? – Nicekiwi – 2012-04-02T13:42:08.680
Yes if you open the nvidia control panel and go tot the physx settings you can choose what cpu or gpu to use for physx, either the cpu, gpu1, gpu2, etc. as far as I know you can't select multiple – HTDutchy – 2012-04-02T13:55:45.510
1Unless you need more than 2 monitors adding a 2nd low end card is generally not a good option. compared to single card that has double the performance. SLI/xFire overhead means that two cards are almost never twice as fast as a single card even in the best case. In the worst case you get almost no improvement (typically games without a SLI/xFire profile from nVidia/AMD). – Dan is Fiddling by Firelight – 2012-04-02T14:22:26.810