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    GPU Mining PCIe 4.0, anyone tried?

    December 21, 2019

    GPU Mining PCIe 4.0, anyone tried?

    PCIe 4.0, anyone tried?

    Posted: 21 Dec 2019 03:52 AM PST

    I'm curious if anyone has tried PCIe 4.0 on the new Radeon cards with a X570 board. It's probably not needed, but apparently it can help with VRAM buffer bottlenecks (https://wccftech.com/amds-radeon-rx-5500-xt-graphics-cards-bottlenecked-by-pcie-bandwidth/).

    So I'm mostly wondering if the usual USB 3.0 risers still work in a PCIe 4.0 config.. do they happen to be forward compatible?

    submitted by /u/science404
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    Radeon VII on sale

    Posted: 20 Dec 2019 08:12 PM PST

    742 mh/s Ethereum mining, really? RX5700 70mh/s ?

    Posted: 20 Dec 2019 09:24 AM PST

    742 mh/s Ethereum mining, really? RX5700 70mh/s ?

    https://preview.redd.it/j1fd32root541.jpg?width=1280&format=pjpg&auto=webp&s=6a9457c64f7006998f1c9de8cedec373f8f95481

    AMD graphic cards has been very popular for mining, specially for ethereum mining. They have been best price per has and hash per watt since ethereum launch. Previous generation cards (RX 470 and RX570) was widely used on mining farms. Also the latest generation cards RX5700 has now been very efficient for mining ETH. I do understand that Profit is still very low to invest in GPU mining rigs, better choice would be to purchase coins now. But if the markets returns where it was in 2017/2018 , this would be the mining card to choose. As they are quite efficient.

    So the test bench i have :

    Best Results for mining Ethereum got from this setup with 100 accepted shares:

    • 640 mh/s
    • 1770 watts

    https://preview.redd.it/azxhox2mot541.jpg?width=1254&format=pjpg&auto=webp&s=36ad34f9521c9b6b55001b13f0d176127d5453d9

    There is settings to add in Phoenix ethereum miner :

    • -openclLocalWork 128
    • -openclGlobalMultiplier 4096

    ​

    https://preview.redd.it/bq15m22not541.jpg?width=1287&format=pjpg&auto=webp&s=e134c2b844f851cfa522d939b77d57bf859f77f5

    By adding these 2 values to configuration you would be available to reach up to 70mh/s per GPU but with 30-50% invalid shares. Tried to change OC on graphic cards but that does not help.

    Video : https://www.youtube.com/watch?v=Du3xFR2Ug2w

    submitted by /u/mineshop
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    What can/should I mine?

    Posted: 20 Dec 2019 01:12 PM PST

    I'm new to mining. I'm not trying to get rich just more of a side hobby. I am fully aware I will be losing money at minimum in the short term with energy costs.

    I currently have my main, do everything, gaming/school/work PC running on an RX580 8 GB. I have that currently mining ethereum with claymore.

    I have a second old PC, it has a Radeon HD7850 2GB and a friend is giving me an old rx290 4GB that I am also going to put in it. My questions is, assuming the rx290 can mine ETH with claymore, what can/should I mine on the HD7850. I know it doesn't have enough memory to mine ETH. Furthermore, what program would you recommend for this other coin?

    Thanks in advance! I'm happy to clarify with more info if needed.

    submitted by /u/AO_Apollo
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