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- Jan 12, 2012
When running an AMD processor especially a Fx you will be much better off with a Single high end Gpu over 2 slightly lesser Gpu's in Sli/XFire.
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It will do a fine job, dont get me wrong. But it is putting a glass ceiling on them, particularly at that low of a resolution. See the link I provided.
It shows you that there is a significant difference with 2 7970's in Crossfire with an AMD CPU (8350) versus an Intel CPU (3770K)... on the order of 26% difference at the same clockspeeds.
Not to get into the Intel Vs AMD for the millionth time but with all things being equal. My 4770k at stock clocks will beat my 8350 at 4.7 when I'm gaming. I've tested both Cpu's swapping 3 different Gpu's around using the same drivers on both. Is it a huge difference, no it's only a few Fps in mainly FPS games. Though as ED mentioned if going with 2 gpus AMD will fall on it's face. Trust me I hate saying it because I think the Fx 8350 is a great chip and I choose to use mine daily over my 4770k, but a fact is a fact! AMD especially the Fx chips just cant handle running 2 Gpu's and even come close to matching up to the Intel chips.How many Intel chips run 4.7/5.0ghz at stock?
That's a lot of GHz speed for the Intel chips to make up.
It is not that it cannot handle it per se, if you read the article that Earthdog linked in post #18 you will get a better idea of what we are trying to explain.So what for in Croshair V formula-Z there is 4 GPU Slots if FX processor cant hadle even 2 GPU's ???? What are u talking about because i cant understand it....
Then put the second card in and see if it helps. Note though, your drop in frame rates may be caused by the high temps you noted in your other thread. Adding a second card is not going to help temps. Additionally, I do not know if they have fixed the issues with project cars but I do know there were issues with it running on AMD Gpu's. You might want to look into that and see if they have resolved the issue yet.In GTA V and project cars fps go down sometimes to 25-30... Graphic at Ultra set up...1080p...so i think second one would be needed to.play at 60 Fps...1080p