Tom's Hardware > Forum > Graphic & Displays > Graphics Cards > Will a 5850 be bottlenecked by PCI express x16 v1.1?

Will a 5850 be bottlenecked by PCI express x16 v1.1?

Forum Graphic & Displays : Graphics Cards - Will a 5850 be bottlenecked by PCI express x16 v1.1?

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Abrahm   09-30-2009 at 10:46:12 PM

Hey guys,

I'm looking to upgrade from my 8800gts 320mb and I have my eye on the new 5850's coming out this week. My concern is that I am running a P35 northbridge which only supports PCI Express x16 v1.1 instead of 2.0. I have read a lot that current cards have yet to max out the 1.1's bandwidth and thus isn't a bottleneck, but has the new generation reached that point? I realize that he card will still work with 1.1, but,

Will a 5850 be bottlenecked by PCIe 1.1?

Thanks

------------------------------ Q6600 (G0) @ 3.0ghz
GA-P35-DS3R mobo
EVGA 8800gts 320mb
8gb G.Skill PC-6400
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Bronze Graphics badge hunter315   09-30-2009 at 10:48:41 PM

PCI-E 2.0 8x provides identical bandwidth as PCI-E 1.1 16x, as you can see by the review here the effect on 2 5850s in crossfire was minimal
http://www.tomshardware.com/review [...] 33-14.html
it barely saturates the 8x bandwidth so you wont have a noticeable performance hit.

Reply to hunter315
dark_lord69   09-30-2009 at 10:53:50 PM

Short answer... No.
You will not experience any bottleneck at all.

Reply to dark_lord69
Abrahm   09-30-2009 at 11:39:47 PM

Awesome, thanks guys!

------------------------------ Q6600 (G0) @ 3.0ghz
GA-P35-DS3R mobo
EVGA 8800gts 320mb
8gb G.Skill PC-6400
Reply to Abrahm
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