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Crossfire GPU PCI x8 with x16

Last response: in Graphics & Displays
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BigMack70 said:
Short answer is nope it won't make a difference - you're fine.


Thank you for the prompt reply. Do you think I will have to get some after market cooling for the cards? Or will the stock be adequate?
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Graphics card Master

long answer is that in some circumstances and setups you could see like 5% performance loss and you'd have to look into how 6870 CF performs on your particular motherboard

Stock cooling is probably fine if you have a slot of space between the cards and decent case airflow (things you need anyways for crossfire to be a good idea) - you just won't be able to overclock much, if that matters to you.

I will probably have about an inch an a half of space between the cards. I am getting a new case with good air flow (Large fan at front small at back and a top exhaust) and psu at 750w. So I think im finally set!

Thanks for the help.
Graphics card Master

6870 crossfire you will get microstuttering and 1gb is not enough to run modern games with high texture detail, you will get low performance. ive been there done that with crossfire 6850's. a month after i bought the second one i sold them both and went back to a better single card. i didnt believe all the other reports of microstuttering etc, and had to try it for myself. luckily i sold the card for the same price i bought it for on ebay so i had no reall loss, except time wasted stuffing around with radeonpro, and crossfire settings.
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