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re: Does anyone here play PC primarily?
Posted on 11/13/12 at 12:56 pm to stout
Posted on 11/13/12 at 12:56 pm to stout
quote:
So dumb question then but running a 3.0 pci card like my 7950 on a pci 2.0 Mobo won't give it performance issues or anything?
Hell no.
The bandwidth isn't there yet. Believe to utilize a 3.0 PCIe the cards have to be 512-bit.
That is 2 refresh cycles away.
ETA:
Let me edit to say, maybe 1 more cycle as people believe nVidia's 7 series will be 512bit for the 770 and 780 GTXs.
quote:
stout
How are those 12.11 drivers? They are kicking kepler arse in benchmarks now.
This post was edited on 11/13/12 at 1:03 pm
1
Posted on 11/13/12 at 1:04 pm to LSU Coyote
Techpowerup did a pretty good test/review that summed it up. They tested FPS on the most popular 3.0 cards in 3.0 slots and in 2.0 slots. The FPS was negligible and inconsistent between the two. Sometimes, the card showed a 1fps gain in a 2.0 slot. They even tested some in PCIe 1.1, as well as at 4x, 8x, and 16x, and there was negligible difference. .1 to 1fps or so... Standard deviation would have to be higher than that, so it just shows that PCIe 3.0 means jack shite. It's like connecting a mechanical hard drive to a SATA 3 port.
This post was edited on 11/13/12 at 1:07 pm
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