Hey, kids.
I just ordered an EVGA GTX460 a moment ago, and am thinking about going the SLI route with a second one in a few months when I work up a little more expendable income. I'm running everything off of MSI's NF750-G55 mainboard. The board has been great, with PCI-e running at 16x speed when a single slot is occupied. The issue is that the two PCI-e slots clock themselves down to 8x speed when SLI is enabled.
There seems to be very little information to find online regarding what the slot speed on a motherboard's PCI-e slot does to a graphics card's bottom-line performance. My question is, given these circumstances, should I also shop around for a new motherboard that allows both PCI-e slots to clock at 16x speeds if I do decide to set up SLI? Will both slots operating at 8x speeds nullify any potential performance benefits of the additional graphics card?
Thanks.
SLI Setup: Need Some Advice.
Created 13 years ago2011-07-01 20:54:00 UTC by
RotatorSplint
Created 13 years ago2011-07-01 20:54:00 UTC by
RotatorSplint
Posted 13 years ago2011-07-01 20:54:00 UTC
Post #296125
Posted 13 years ago2011-07-01 22:02:05 UTC
Post #296126
Hey, kids.Ooh! I'm interested!
Yada yada bla blalolwut
Posted 13 years ago2011-07-01 22:15:35 UTC
Post #296128
Don't do that, Dimbark.
Posted 13 years ago2011-07-01 22:19:03 UTC
Post #296129
You want a strike, Dimbark?
Posted 13 years ago2011-07-01 22:59:13 UTC
Post #296130
You want a strike, Dimbark?Good idea! Anyway on topic, I say get the motherboard, performance speeds will be alot faster if you do
Posted 13 years ago2011-07-01 23:13:24 UTC
Post #296131
Can we not ban him? It's obvious he adds nothing to discussion, or genuine questions for that matter. Besides, he'll just rejoin, but hopefully he'll be less annoying next time.
Posted 13 years ago2011-07-02 00:05:34 UTC
Post #296132
Can we not ban him? It's obvious he adds nothing to discussion, or genuine questions for that matter. Besides, he'll just rejoin, but hopefully he'll be less annoying next time.I thought we banned by IP? If dimbark tries to rejoin, he won't be able to because it would recognize the adress. I vote ban hammer.
Posted 13 years ago2011-07-02 00:39:48 UTC
Post #296133
Can we discuss this elsewhere? My thread was hijacked after only the second post.
Posted 13 years ago2011-07-02 00:54:36 UTC
Post #296134
If dimbark tries to rejoin, he won't be able to because it would recognize the adress. I vote ban hammer.I believe I was faced with that problem once. Or twice.
Posted 13 years ago2011-07-02 01:35:00 UTC
Post #296135
One more off-topic post and i'll get angry. >_>
This is what you're looking for. Not the same card, but ill bet the principles are the same. http://www.hardocp.com/article/2010/08/23/gtx_480_sli_pcie_bandwidth_perf_x16x16_vs_x8x8/3
The consensus there is that a 16/16 configuration and a 16/8 configuration show almost no difference whatsoever, while the 8/8 performance degrades somewhat (7% fps change on Battlefield 2) with several monitors. Lastly, the 8/8 is almost no different to the other two configurations for resolutions less than 2560x1600, but the cards that they are using are slightly better too.
This is what you're looking for. Not the same card, but ill bet the principles are the same. http://www.hardocp.com/article/2010/08/23/gtx_480_sli_pcie_bandwidth_perf_x16x16_vs_x8x8/3
The consensus there is that a 16/16 configuration and a 16/8 configuration show almost no difference whatsoever, while the 8/8 performance degrades somewhat (7% fps change on Battlefield 2) with several monitors. Lastly, the 8/8 is almost no different to the other two configurations for resolutions less than 2560x1600, but the cards that they are using are slightly better too.
Posted 13 years ago2011-07-02 23:23:00 UTC
Post #296171
Sweet deal. Thanks for the info. This saves me a chunk of change.
Posted 13 years ago2011-07-03 03:34:33 UTC
Post #296172
Grimmy saves the day! Interesting issue.
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