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folding pci-e x4 vs x16

post #1 of 9
Thread Starter 
My 8800GTX is folding 6.2K PPD both on x4, x8, and x16.

GTS450 has been only getting 8.6K on the x16 slot. its oc'ed to 1870Mhz shader as well. Should I be getting more ppd with it?
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post #2 of 9
No difference for folding. Fold away!
post #3 of 9
+1

additionally, the gts450 i had averaged around 8k ppd, so yours sounds right.
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post #4 of 9
^Like they said, bandwidth has no impact on folding, so you should see the same PPD regardless of what slot you card is in.
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post #5 of 9
Quote:
Originally Posted by giganews35 View Post
My 8800GTX is folding 6.2K PPD both on x4, x8, and x16.

GTS450 has been only getting 8.6K on the x16 slot. its oc'ed to 1870Mhz shader as well. Should I be getting more ppd with it?
x1 is enough for Folding.


The way it works for Folding is a WU is passed to the GPU, the GPU process it, and then returns the data when complete. The WU is not that large to begin with and their is minimal data transfers while the WU is being processed.

For gaming, there is a continuous transfer of much more data.
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post #6 of 9
Thread Starter 
Thank you guys for responding!
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post #7 of 9
Quote:
Originally Posted by giganews35 View Post
GTS450 has been only getting 8.6K on the x16 slot. its oc'ed to 1870Mhz shader as well. Should I be getting more ppd with it?
There's something screwy going on with 450's, their PPD is way down if there are other cards present... Not really sure why, and I'm not complaining.
post #8 of 9
Mine was in the 790fx board I have for sale with 3 other gpus, all folding. Im not going to say that it was all roses, but the 450 was plenty happy. All I had available for windows was vista and booting that computer required voodoo sacrifice each time to get video working. I eventually gave up & ran it headless and used tightvnc to remote desktop it.
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post #9 of 9
Thread Starter 
I'm getting the same PPD by itself or with other cards.
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