Don't know what graphics card to get, is SLI/CrossFire bad?



The Crossfire stuttering issues have been greatly fixed, especially with the 290 and 290x cards. The 295x2 card is good for those that have limits on space. If you want to crossfire, two 290x's would be better.

 


I believe it will suffice for you at x8/x8 and here is an article that mentions it:
http://www.guru3d.com/articles_pages/radeon_r9_290_crossfire_review_benchmarks,2.html

Looks like even 2.0 gen PCIe isn't yet saturated by current GPU's.
 

shadowx22120

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Just to clear something up, I don't believe the r9 295x2 will eliminate any of the problems you would have regarding crossfire as the 295x2 isn't a single card but technically a dual gpu card which means it'll have the same problems as crossfire such as microstuttering. The only reasons why you would buy a r9 295x2 is if you want to save space as it compresses it into a 2 slots rather than having to use up 4 such as in crossfire or to lower the amount of heat as dual gpu cards produce less heat than cards in crossfire/sli.

Now back to your original question of whether or not sli/crossfire is bad. Truthfully, I haven't had any bad experiences with my sli 460s such as microstuttering and such. The only thing I feel like you'd have to worry about is the crossfire/sli optimization. For example, I was playing the BF Hardline beta and my fps was limited due to the fact that there was no driver out at the time to optimize the game for SLI and so I was basically running on one gpu. I hope my response helps.
 

kalijaga

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Agreed that 295x2 will have the problems of multiGPU despite the single card appearance. But these are slowly, slowly being resolved. And I find that the latest games use even 4 gpu without much hassle. I am running BF4 at 4k around 80-90fps max settings. NO stuttering. NO single GPU at the moment can reach that level of performance.
 

shadowx22120

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Just out of curiosity, what's the specs of your rig? Because it sounds like a BEAST :D
 

kalijaga

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A small heater - dual 295x2 at the moment. The 780s are resting.
A loooooottttt of driver problems and using dual PSU which needed the chassis to be opened as they cannot fit in the same case.
 

shadowx22120

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Haha must be perfect for the winter :p That's awesome machine though. Hopefully AMD sorts out those driver issues...Anyway I dont' want to go spamming the OP's thread with random convos. Thanks for sharing kalijaga!