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4x on the PCI-E 16x port?!?!

Tags:
  • Graphics Cards
  • Performance
  • PCI Express
  • Graphics
Last response: in Graphics & Displays
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September 3, 2007 10:03:56 PM

It just came to my attention that my newly aquired mobo, the AsRock 4CoreDual-VSTA is only running 4x on the PCI-E 16x port. I read there is a performance drop depending on which GPU one has. In my case I'm running a BFG GF7600GT OC, how much performance am I loosing, if any?

More about : pci 16x port

September 3, 2007 10:50:11 PM

For that GPU, you're not losing any performance unless the drivers on that mobo aren't as efficient. If I remember correctly a card like the X1950XT can't even use the bandwidth of a PCIe X4 let alone X16.
September 3, 2007 10:55:21 PM

I see.. Thanks for clearing that out for me. ;) 
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September 4, 2007 10:25:34 AM

your loosing about....hmmm...0.0001% maybe?

and the most of the asrock dual mobo's (agp+pci-e ones) run the pci-e in 4X

i got the 775dual vsta and that has 4x aswell, but since the mobo was just £30 i cant really complain. Plus im using the AGP right now any way, so dont really care..lol.

will get a better one when i go to pci-e next year or something.
Anonymous
a b U Graphics card
September 4, 2007 10:42:42 AM

Ive got a gigabyte 945gzm motherbard that has 4x hardware inmplementation on the pcie slot and a pentiumD 925. Im running a inno3d 7600gst ant its actually performing better than the refference 7600gst on the net. So no, you wont loose anything
September 4, 2007 12:44:52 PM

0.0001% what the...?! :p 

Seems I was worried over nothing, besides I'll only keep this mobo for around 3 months so I'll survive I guess. :) 

it's just when you buy new hardware you always look forward to see how well it performs compared to the old, would have sucked if I where to loose 50% or something.

Anyway, thanks for sharing everyone.

Remember what Plato once said.
September 4, 2007 1:51:50 PM

Interesting read, I guess the conclusion is that with the gf7600 it won't mean much (still some, but likely not noticeable), but before upgrading my GPU a new mobo is top priority!
September 4, 2007 2:10:39 PM

PCI-E at 16x is definitely faster for games depending on the game of course.

If I remember correctly Asrock is more like a AGP PCI-E hybrid. That is why it can only do PCI-E at 4x.
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