Use for two different Graphics cards?

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  1. gettheclicker's Avatar
    Posts : 245
    Windows 10 Pro
       #1

    Use for two different Graphics cards?


    I've sent my 2080ti out for repair so in the mean time I bought an RX580 to get me by.
    If or When the 2080 comes back is there any reason to keep the 580 installed?

    I'm running 2 32" TV's and a 55"4K UHD as my main display. 1360x768 - 3840x2160 - 1360x768

    Could I run the Displays off the 580 and set the 2080 for purely gaming?
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  2. CountMike's Avatar
    Posts : 18,331
    W10+Developer Insider + Linux
       #2

    In theory yes but you need 1000w PSU to run them together.
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  3. gettheclicker's Avatar
    Posts : 245
    Windows 10 Pro
    Thread Starter
       #3

    That I do have. An Evga 1000GQ
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  4. bobkn's Avatar
    Posts : 3,602
    Win 10 X64 Pro 20H2 19042.685
       #4

    I have never used two graphics cards at once (leaving off SLI/Crossfire, which I vowed to never use again). I have certainly never mixed AMD and nVidia cards.

    I see that your PSU supports 10 PCI-E 6+2 pin connectors. (You'd need 3.)

    Your MB + CPU may not support enough PCI-E lanes to run two graphics cards at X16, but I belive that PCI-E 3.0 X8 would not bottleneck you at all.

    If you decide to mess about with that, let us know if it works.
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  5. gettheclicker's Avatar
    Posts : 245
    Windows 10 Pro
    Thread Starter
       #5

    I will, as of today the 2080 hasn't even reached gigabyte yet for repairs. I hope the previous owner didn't void the warranty, gut feeling they're going to tell me to kick rocks and I've wasted $1000

    I ran through the PSU calculator and I fudged a couple components as it didn't have EVERYTHING I have. The ending result was I would be running 948watts. 52 to spare with my current PSU. Should I still run it?
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  6. bobkn's Avatar
    Posts : 3,602
    Win 10 X64 Pro 20H2 19042.685
       #6

    gettheclicker said:
    I will, as of today the 2080 hasn't even reached gigabyte yet for repairs. I hope the previous owner didn't void the warranty, gut feeling they're going to tell me to kick rocks and I've wasted $1000

    I ran through the PSU calculator and I fudged a couple components as it didn't have EVERYTHING I have. The ending result was I would be running 948watts. 52 to spare with my current PSU. Should I still run it?
    I'd be unhappy with that little margin.

    I wondered about the power. The 2080ti is supposed to have a max power draw of 250W. The RX 580, 235W. Ryzen 9 3900X, 105W. (I suppose that you could go a lot higher on the CPU if you overclock.) Those are the big ones, total 590W. I wonder what would counsume an additional 358W?
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  7. gettheclicker's Avatar
    Posts : 245
    Windows 10 Pro
    Thread Starter
       #7

    1 M.2 - Boot 500Gb
    1 SSD - Steam 500gb
    2 Hybrid Drives - Games & Movies 4tb
    1 HDD - Random needed files 1tb

    3 120mm 7500 rpm mining fans - set at 2500rpm - intake
    2 120mm 3000rpm fans - set at 1500rpm - intake
    6 140mm LED RGB UpHere fans w/ rgb control box
    2 120mm Blue Led fans - intake
    Corsair H150i Pro
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  8. bobkn's Avatar
    Posts : 3,602
    Win 10 X64 Pro 20H2 19042.685
       #8

    gettheclicker said:
    1 M.2 - Boot 500Gb
    1 SSD - Steam 500gb
    2 Hybrid Drives - Games & Movies 4tb
    1 HDD - Random needed files 1tb

    3 120mm 7500 rpm mining fans - set at 2500rpm - intake
    2 120mm 3000rpm fans - set at 1500rpm - intake
    6 140mm LED RGB UpHere fans w/ rgb control box
    2 120mm Blue Led fans - intake
    Corsair H150i Pro
    13 case fans? I suppose that makes you a fan fan.
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  9. gettheclicker's Avatar
    Posts : 245
    Windows 10 Pro
    Thread Starter
       #9

    The 6 UpHere RGB fans are more for looks, I don't feel much airflow at all which is why they're all exhaust and the 5 more powerful fans are intake to inhale more and help exhaust.
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  10. vgchat's Avatar
    Posts : 409
    Windows 10 Pro
       #10

    I'd throw the 580 into a different rig. Then use the different rig for something like media editing while you're using your main tower.
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