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Pci vs pcie 1x

post #1 of 21
Thread Starter 
Is there even a difference? I'd like to use a pcie slot tho biggrin.gif
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post #2 of 21
For what? PCI and PCIE 1x are completely different interfaces with different hardware that use them
    
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post #3 of 21
Thread Starter 
Oh I didn't even say anything. I meant for sound cards?
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post #4 of 21
Very little difference from a practical viewpoint. Unless of course you're running an SLi rig on a chipset with very limited PCI-e lanes. If this is the case, then you're probably better off with PCI, to keep as many lanes as possible free for the SLI/Xfire.
Other than that case, you will see no practical difference between the two. Pick whichever you want.
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post #5 of 21
pci is limited in bandwith


compared to pci-e
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post #6 of 21
Quote:
Originally Posted by allikat;14472225 
Very little difference from a practical viewpoint. Unless of course you're running an SLi rig on a chipset with very limited PCI-e lanes. If this is the case, then you're probably better off with PCI, to keep as many lanes as possible free for the SLI/Xfire.
Other than that case, you will see no practical difference between the two. Pick whichever you want.

Fully agree. With my current mobos if I ever do SLI/Xfire my Xonar DX PCI-e card will get in the way of optimum airflow to one of the cards so its good to keep that in mind.
post #7 of 21
Thread Starter 
Motherboard has dedicated x1 slots... GPUs don't go there... Lol. So in the actual sound quality even if you have it at max processor for the sound card it won't make a difference? Just basically where you want to put it?
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post #8 of 21
Quote:
Originally Posted by allikat;14472225 
Very little difference from a practical viewpoint. Unless of course you're running an SLi rig on a chipset with very limited PCI-e lanes. If this is the case, then you're probably better off with PCI, to keep as many lanes as possible free for the SLI/Xfire.
Other than that case, you will see no practical difference between the two. Pick whichever you want.
It can make a difference. PCI is a shared bus while PCIe is a dedicated point-to-point interconnect. Since PCIe lanes are dedicated and x1 lanes are rarely (if ever) linked to the x8/x16 lanes, SLI/XFire should not be impacted... other than physical locations.

If there is other traffic on the PCI bus, the sound card requests which requires real-time priority can get delayed. This would cause crackling or other audio artifacts.
Quote:
Originally Posted by emeraldage;14473346 
Motherboard has dedicated x1 slots... GPUs don't go there... Lol. So in the actual sound quality even if you have it at max processor for the sound card it won't make a difference? Just basically where you want to put it?
Bandwidth doesn't matter... but I would go for PCIe since PCI is dying.
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post #9 of 21
Thread Starter 
okay so really there isn't a quality issue or issue. But sometimes if the mobo is stupid and can't give it's proper bandwidth I'll get artifact. I've been on PCI for this long and haven't had any I don't believe.

Why would PCI go away? Wouldn't it not make since if EVERY slot was dedicated? Rather than a few? haha.
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post #10 of 21
Speaking of pure bandwidth Pci express 1x seems to be a little slower than what most motherboards PCI offerings these days.

pci 1x @ 250Mb/s

pci 64bit /133 which moves 533.3 MB/s.


But a sound card is still pretty limited in terms of data considering that the output is limited to 7.1 channels @ a mid kilohertz frequency compared to the (millions of colors) x (multiple textures) x (3d physics) x (other effects) x (geometry code) that the video card has to deal with, sound processing is pretty small. So bandwidth should really not be the deciding factor, but where do you want your sound card to sit. If you have a 1x spot above your vid card stick it there otherwise shop for the most features at your given price point.


Source - http://www.technrg.com/content/view/17/33/

(not completly sure about the source, they where not even keen enough to remove the Joomla site icon when they created the sight but the numbers line up with wiki.)
Edited by cook - 8/5/11 at 7:15am
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