PCI Express 2.0 x16

A

Archi3

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Hi all

I can't find much info on this topic...but does PCI Express 2.0 make a big difference in performance? I have 9800GT which is 2.0 compliant, but it is in a 1st gen PCI x slot. Will the performance be hampered? if so, by how much?

Thanks.


Archi3 :)
 
Archi3 said:
Hi all

I can't find much info on this topic...but does PCI Express 2.0 make a big difference in performance? I have 9800GT which is 2.0 compliant, but it is in a 1st gen PCI x slot. Will the performance be hampered? if so, by how much?

Thanks.


Archi3 :)
Click to expand...

No.
 
I think the most noticeable difference is the amount of power that can be supplied by PCI-E 2.0...
 
Apparently the data flow is double on PCI-E 2.0

But the gfx cards right now are barely using the full potentials of PCI-E 1.0 so for now it wont make a difference.

Maybe when there's a GTX999X5 Ultra 128gig DDR10 ram the performance difference will be seen between v1.0 and v2.0
 
I think with a 9800gt, there would be no difference at all... CPU's just don't have enough bandwidth to fill up the pci-e 1.0's bus, let alone the gpu being able to accept the bandwidth...

the reason why they released pci-e 2.0 is so that they can have it the standard by the next gen of cpu's and gpu's so that the gpu doesn't have to wait for the data streamed from the cpu. I think in the next gen of GPU's, they'll have a much greater demand for bandwidth, and the cpu will need to decompress and send much larger pieces of data(as games become more intensive, have larger textures and larger area's to decompress).

but for now there's no need to upgrade to a 2.0 mobo as there's simply no way that gpu could understand what to do with all that bandwidth lol
 
I have not the mathe magics myself, but I read somewhere that PCIE2 only starts a little bit difference on SLI rigs with 280/5 and 295 Nvidia cards. For a single card solution that would mean that PCIE1 is fine.
 
Oh yeah. Because usually when running sli the slots change to 8x slots. And since pcie2 has double the bandwidth of 1.0 it's all fine and dandy.
 
Qwikslver said:
Oh yeah. Because usually when running sli the slots change to 8x slots. And since pcie2 has double the bandwidth of 1.0 it's all fine and dandy.
Click to expand...

however, you must remember that more and more mobo's have 2 16x slots now, so that doesn't really hold much water... but I can imagine that the 2 graphics cards community via the pci-e slots as well as the cross link cable :)
 
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