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Anyone have real world performance with an R9 290 or 290x Crossfire on PCIe 2.0 and Eyefinity 5670x1080 Rez?

post #1 of 15
Thread Starter 
As the title states I am looking for people who have either a 290 or 290x crossfire setup running on a PCIe 2.0 (using 16x slots) board. Preferably with a CPU equivalent to an i7 920 @ 4.2 GHz. I am curious to see the performance on the PCIe 2.0 platform vs PCIe 3.0. I have an x58 rig that I would love to put some crossfired R9 cards in but need some real world experience.

Any help would be much appreciated. cheers.gif

kp
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post #2 of 15
I don't think there is a ton of difference in your case since you have pcie 2 x16 at your disposal. I would reckon dropping down below pcie 2 x8 will cause problems.


http://www.3dmark.com/fs/1115531

^GEN3


http://www.3dmark.com/fs/1115705

^GEN2
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post #3 of 15
Thread Starter 
Quote:
Originally Posted by tsm106 View Post

I don't think there is a ton of difference in your case since you have pcie 2 x16 at your disposal. I would reckon dropping down below pcie 2 x8 will cause problems.


http://www.3dmark.com/fs/1115531

^GEN3


http://www.3dmark.com/fs/1115705

^GEN2

Thanks tsm. Can you do some gaming performance benches? Particularly BF4? that would be pimptastic... I would be willing to buy you a case of beer cheers.gif
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post #4 of 15
BF4 is too much of a pain but I can do something about as heavy. I can do metroll, lot of gpu and even more cpu load.
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post #5 of 15
Thread Starter 
Quote:
Originally Posted by tsm106 View Post

BF4 is too much of a pain but I can do something about as heavy. I can do metroll, lot of gpu and even more cpu load.

lol true. MetroLL would be great!
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post #6 of 15
would CF 290/290x on PCIE 2.0 x 8 be an issue?
post #7 of 15
Thread Starter 
Shoot..... I forgot to mention that I'm more interested in the performance with Eyefinity resolutions of 5760x1080 or better rolleyes.gif Changed the thread title thumb.gif I only game on 3 monitors biggrin.gif

Tsm, you have an Eyefinity setup don't you?
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post #8 of 15
Thread Starter 
Quote:
Originally Posted by Testier View Post

would CF 290/290x on PCIE 2.0 x 8 be an issue?

I guess it would really depend on what else you had taking up PCIe lanes and whether or not you are running 1440p+ resolutions
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post #9 of 15
Quote:
Originally Posted by kpforce1 View Post

I guess it would really depend on what else you had taking up PCIe lanes and whether or not you are running 1440p+ resolutions

I will be running at 1440p and nothing else on PCIE.
post #10 of 15
Thread Starter 
Quote:
Originally Posted by Testier View Post

I will be running at 1440p and nothing else on PCIE.

I "think" LAN ports and integrated audio utilize PCIe lanes on some boards (or most) don't they? I've noticed the more complex the sounds and amount of them in new games my GPU usage fluctuates more on one of my 670's. At the 5960x1080 resolution I play at and my 920 @ 4.2GHz+ with 2000Mhz ram, i doubt the CPU is that much of a bottleneck... but it wouldn't be the first time I was wrong lol wink.gif
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  • Anyone have real world performance with an R9 290 or 290x Crossfire on PCIe 2.0 and Eyefinity 5670x1080 Rez?
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