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Are there 2 different GeForce 6600GT's?

Tags:
  • Graphics Cards
  • Geforce
  • PCI Express
  • Graphics
Last response: in Graphics & Displays
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June 11, 2006 6:14:30 PM

I purchased an Evga6600GT back in early 2005 for my LGA775 MB. I recently purchased another Evga 6600GT so i can hook them both up as SLi.
I noticed on my original 6600GT, the label that is stuck to the board says PCX and on my recently purchased card, its says PCI-E. Both cards fit into my PCI Express slot but isn't PCX and PCI-E, 2 different GPU technologies?

More about : geforce 6600gt

June 11, 2006 9:12:28 PM

Hmm, thats strange.

I know that some of the newer 6600GT's feature some various "tweaks" including better/more memory and some appear to have notched up their clockspeeds even more.

I wouldn't be suprised if your original 6600GT has DDR2 Memory and the newer one DDR3.

However the Pci-X and Pci-E labeling just sounds like a non-issue.
June 11, 2006 9:42:43 PM

I know that Nvidias PCX series GPU graphics cards do support PCI Express and do no support SLi as they do not have SLi connectors. My card with the PCX sticker on it does have an SLI connector. It may be a case of miss labeling on Evga's part
June 11, 2006 10:52:18 PM

That's a good guess; a typo I suspect.
June 11, 2006 11:10:38 PM

Those are 2 different ways of saying the same thing: PCI-eXpress and PCI-Express

The PCX series are GPUs initially designed for AGP, then adapted to work with the PCI-Express slot. For example, the GeForce 5700 PCX. :D 
June 12, 2006 2:12:23 AM

So I am guessing that Nvidia never made a GeForce 6600GT using the PCX GPU, otherwise it would not be a GeForce 6600GT. Plus, as far as I am aware, Nvidia's PCX GPU's, are not SLi?
June 12, 2006 2:46:30 AM

The "PCX GPUs" are older than the first generation of SLI-capable GPUs. The GeForce 6 Series were meant to be PCI-E from the beginng, thus SLI-capable.
Initially the GeForce 6800 Series were realeased for AGP, but those weren't "PCX GPUs".
There are no such thing as a "PCX GPU", it's just a name to separate those designed for PCI-E from those designed for AGP. The PCX series carried a special chip (the HSI Bridge chip) in the PCB that translated AGP data to PCI-E data and vice-versa.
June 12, 2006 2:14:46 PM

From what I understood, PCI-X is supposed to stand for 'PCI-eXtended', a faster-than-AGP bus designed mostly for workstations. Never caught on with the consumer crowd.

Lots of people confuse it with PCI-e. If it's on a PCIe box, it's a typo I think...
June 12, 2006 2:36:38 PM

True. PCI-X are extended PCI slots featured in workstation mobos.
What I was trying to say is that PCX is the same as PCI-E... :) 
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