Is crossfire better to use compared to buying a higher end card?

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tbean1

tbean1

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Nov 4, 2013
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Hello,
I am trying to find if it is better to use crossfire compared to buying a higher end card overall. Is the performance better in crossfire? I currently have crossfire setup with two SAPPHIRE 100355L Radeon HD 7850 2GB 256-Bit GDDR5 PCI Express 3.0 x16 HDCP Ready Video Cards and was wondering if it would be worth it to add a third one or just buy a higher end card. Is the performance better for games with two cards? Any help would be appreciated! I will answer any questions as well!
 
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Zero Oblivion

Zero Oblivion

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Nov 25, 2013
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Well, the answer is self explanatory (not trying to imply anything here, give it a thought and you will understand it yourself). You have two GPUs running the task, which means the load is divided equally to both processing units which each has unique pool pf vram to use. Effectivelly and theoretically, this should provide a rapid increase in performance. That's common sense. But also very reasonable is the fact that change in performance is 100% dependent on the software. If the game supports, in other words has been designed and coded to employ a full use of 2x GPUs available, the performance will indeed skyrocket up. There are a good few wortht examples, just can't put my mind on any atm. Equally so, there are plenty of gamea which arw aimply incapable of distributing the workload between two or more GPUs as that was never implemented, or done poorly/hastily. Which leads to no noticeable increase in performance, and in some cases even a decrease. One example is, I believe, the powerful HD 7990. It's essiantly two GPUs put on one board, but other than that it acts as two GPUs. Crysis 3 runs great on 1080p, but when you crank the resolution to 1440p the drop in performance is immense. This doesn't happen to pther single GPU cards, leading to conclusion it's the dual GPUs fault (dont take my word for the game being Crysis 3, may have mistaken it with othw triple A title). To sum it up, it's a yes and no fro dual GPU setup, and going for a single higher capability card may be a good choice. Then again things do change, and multiple GPU setups work more and more reliably.
 
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tbean1

tbean1

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Nov 4, 2013
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Thanks for the input. I have read many different forums and Zero, you explained it the best to me. I figured it works better because of the work load being distributed differently, I just didn't know if it was fact or just something made up by certain people. So do you think getting a third card would be worth it in the long run? Also, do you know how to check if I game utilizes multiple GPUs or do you just have to google it? Thanks again for the iput!
 
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