PCIE 1.0 vs 2.0

G

GameDad

[H]ard|Gawd
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Oct 12, 2005
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i am giving a friend some reccommendations on a new system, and keep seeing stuff for pcie 2.0, is this something that really has value, he will not be using 2 video cards, so i dont think so, could the [H]ard working people in this place give me some more info on PCIE 2.0
thanks!
 
Backwards compatible with PCIe 1.0/1.1
Twice the link bandwidth
No real benefit for graphics at this time since most (all?) video cards can't even saturate a PCIe 1.0 x16's bandwidth.
 
HotGore said:
No real benefit, but I would nab it for future proofing.
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Although if he's going intel then they will have a new socket around the end of the year anyway along with DDR3 (I assume most people would still be looking at DDR2 for now) so I'm unsure if you can really get that future proof a motherboard at the moment anyway.
 
Smigit said:
Although if he's going intel then they will have a new socket around the end of the year anyway along with DDR3 (I assume most people would still be looking at DDR2 for now) so I'm unsure if you can really get that future proof a motherboard at the moment anyway.
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Next years GPUs aren't going to just not work with LGA775 systems. And Intel's not going to immediately cease production and recall existing LGA775 processors. Besides, once Nehalem is out it'll be about a year when Intel shrink to 32nm, and after that another year when the next architecture comes out.
 
ryan_975 said:
Next years GPUs aren't going to just not work with LGA775 systems. And Intel's not going to immediately cease production and recall existing LGA775 processors. Besides, once Nehalem is out it'll be about a year when Intel shrink to 32nm, and after that another year when the next architecture comes out.
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Er, do you mean next years CPUs? GPUs are still going to be PCI-E and will continue to work in a PCI-E x16 slot (and the socket really doesn't matter to the GPU ;) )
 
kllrnohj said:
Er, do you mean next years CPUs? GPUs are still going to be PCI-E and will continue to work in a PCI-E x16 slot (and the socket really doesn't matter to the GPU ;) )
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That's what I said.

The discussion was about the future-proofing of the motherboard by choosing PCIe2.0 over PCIe1.0. So it doesn't matter what CPU's Intel's going to have on which sockets at the end of the year because next years GPUs aren't going to stop being compatible with an LGA775 system just because LGA1366(or whatever it'll be) is out.
 
ryan_975 said:
That's what I said.

The discussion was about the future-proofing of the motherboard by choosing PCIe2.0 over PCIe1.0. So it doesn't matter what CPU's Intel's going to have on which sockets at the end of the year because next years GPUs aren't going to stop being compatible with an LGA775 system just because LGA1366(or whatever it'll be) is out.
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Gah, sorry, your double-negative threw me :D
 
Smigit said:
Although if he's going intel then they will have a new socket around the end of the year anyway along with DDR3 (I assume most people would still be looking at DDR2 for now) so I'm unsure if you can really get that future proof a motherboard at the moment anyway.
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PCI-E 2.0 and DDR3 are about as future proof as you can get right now. DDR3 is too expensive to most people, and PCI-E 2.0 will offer benefits down the line. Most peoples first upgrade after RAM is a new video card.
 
firas said:
maybe but there is some benefit

http://www.pcper.com/article.php?aid=482&type=expert&pid=3

http://www.tomshardware.com/2008/01/23/crossfire_meets_pci_express/
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There is major problem with those comparisons (well, at least THG anyway). The 975X is limited to 8x/8x when in crossfire mode. High-end cards are starting to cross the 8x bandwidth threshold, so of course Crossfire performance is hurting. But, it's not a PCIe 1.0 issue, it's a lane distribution/availability issue. A PCIe 2.016x/16x arrangement would yeild no benefits over a PCIe1.0 16x/16x.
 
ok, so what i understand is that in a single card system, there is really no advantage, and likely to be none for quite some time. thanks guys! :D
 
Also I think the point some were trying to make is that by the time pcie 2.0 is actually useful/needed most will be upgrading there motherboards anyway due to new cpu socket architecture. One reason to try and find a pcie 2.0 based motherboard now is if you plan on upgrading video cards but not your cpu/mobo in the next year or so. This would only apply if pcie 2.0 video cards won't function/fit in a pcie 1.0 slot of course.
 
Sireal said:
Also I think the point some were trying to make is that by the time pcie 2.0 is actually useful/needed most will be upgrading there motherboards anyway due to new cpu socket architecture. One reason to try and find a pcie 2.0 based motherboard now is if you plan on upgrading video cards but not your cpu/mobo in the next year or so. This would only apply if pcie 2.0 video cards won't function/fit in a pcie 1.0 slot of course.
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Which they will.
 
Useless. Max out x8 before we talk about x32. Have we even maxed out x4 yet?:confused:
 
pci-e 2 offers no benefit at this point of time except that u can get power from the slot itself . If u want future-proofing , go for it, but pci-e 2 mobo's in the future will be lot cheaper than they are right now .
 
lucky777 said:
Proof?
http://www.tbreak.com/reviews/article.php?id=438
Pretty even here. (Yes, I know it's a 7900GTX, and 1900XT, but those are the latest I could find).
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proof of what?

wolf2009 said:
pci-e 2 offers no benefit at this point of time except that u can get power from the slot itself . If u want future-proofing , go for it, but pci-e 2 mobo's in the future will be lot cheaper than they are right now .
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All PCIe version can power throught the slot.
 
ryan_975 said:
A 7900GTX and an X1900 are hardly modern.
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The 7900GTX isn't that old, either. But you are the one who claimed x8 was maxed out, and he provided evidence to the contrary. If you disagree, prove him wrong - its a pretty simple concept.
 
kllrnohj said:
The 7900GTX isn't that old, either. But you are the one who claimed x8 was maxed out, and he provided evidence to the contrary. If you disagree, prove him wrong - its a pretty simple concept.
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What I said is that highend graphics are starting to cross the x8 bandwidth threshold. Just look at the THG review above to see that.

And yes, a 7900GTX is very old. Two years in this industry is a loooooooooooooong time. Nvidia choosing not to do anything significant in those two years doesn't change that.
 
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