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    GPU Mining Dual Graphics Cards Different Hash Rates

    GPU Mining Dual Graphics Cards Different Hash Rates


    Dual Graphics Cards Different Hash Rates

    Posted: 18 Feb 2020 11:34 AM PST

    Just recently setup an old PC to further delve into Mining Ethereum. Given the fact I had most of the parts I decided to go with the RX 580 as this was a great fit for my research.

    Setting up phoenix miner seemed pretty straight forward on a fresh install of windows 10 pro. After downloading the latest and greatest AMD drivers and software, i simply OC both cards and set them to compute. They were dual Bios GPU's so they were switched over to mining.

    When I started running the miner the program goes through its adjustments and calculations and I am left with GPU 1 running 16.21 and GPU 2 Running 30.79. I would expect both of these cards to pretty much run neck and neck and from some reading I can see that phoenix adjusts for optimal hash rates.

    Without really digging into serious tweaks I don't understand why GPU1 is half of what GPU 2 is.

    Anyone else experience anything like this?

    submitted by /u/JDBSC1
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    Is it possible that a GPU failed in a specific API?

    Posted: 18 Feb 2020 10:00 AM PST

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