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680 heat issue

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Randolla
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Sunday, October 07, 2012 4:36 PM (permalink)
I have two EVGA 680 FTWs 4 gbs Vram.  I did not buy them at the same time.  I have them in an SLI on my X58 FTW M-board. 
 
Here is the problem.  There is a 10 degree difference between them.  I could understand that but the one that runs hot is the second (lower) one that has nothing near it's fan unlike the top one.  I have them both on a auto fan curve in Precision X. 
 
 Am I missing something?  Logic tells me that the top card should be the hotter one.  I have not tried switching them yet but I am thinking about it.  Is there something else I should be doing? 
 
Is this normal?  It has been at least a decade since I had an SLI setup so I might be missing something. 
Any help would be appreciated.
 
Thanks

Intel 5930K@ 4.3 Ghz
ASUS Rampage 5 Extreme Motherboard 
EVGA GeForce 1080Ti SC
Case Labs Merlin Full Tower case 
NZXT Kraken X61 Liquid CPU cooler
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EVGA  Supernova P1200 PSU
Acer Predator X34 Monitor
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#1

6 Replies Related Threads
    chrisdglong
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    Re:680 heat issue Sunday, October 07, 2012 5:12 PM (permalink)
    Switch them first. I've seen drivers that caused things to flip around. I would also see what card is set to run physx.
    #2
    Baltothewolf
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    Re:680 heat issue Sunday, October 07, 2012 5:26 PM (permalink)
    You should really set your own fan curve. I think that would help the problem a lot.

    My Laptop (GE63VR-7RF):
    -7700HQ.
    -16GB RAM.
    -GTX 1070.
    -128GB SSD.
    -1X 1TB 7200 spinny drive.

    #3
    Randolla
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    Re:680 heat issue Sunday, October 07, 2012 6:01 PM (permalink)
    Baltothewolf

    You should really set your own fan curve. I think that would help the problem a lot.


    I have set my fan curve and it is a pretty aggressive one at that.  But the fan is locked at 80% and I am hesitant to load a BIOS fix that would void my warranty. 

    Intel 5930K@ 4.3 Ghz
    ASUS Rampage 5 Extreme Motherboard 
    EVGA GeForce 1080Ti SC
    Case Labs Merlin Full Tower case 
    NZXT Kraken X61 Liquid CPU cooler
    32 Gbs G.Skill Ripjaws 4 DDR4 2666
    EVGA  Supernova P1200 PSU
    Acer Predator X34 Monitor
    Samsung 512 Gb XP941 M2 SSD

    HT Omega eClaro Soundcard[
    #4
    Baltothewolf
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    Re:680 heat issue Sunday, October 07, 2012 6:08 PM (permalink)
    randolla

    Baltothewolf

    You should really set your own fan curve. I think that would help the problem a lot.


    I have set my fan curve and it is a pretty aggressive one at that.  But the fan is locked at 80% and I am hesitant to load a BIOS fix that would void my warranty. 

     
    Oh you said it was set on the auto profile so I thought you meant default lolz.

    My Laptop (GE63VR-7RF):
    -7700HQ.
    -16GB RAM.
    -GTX 1070.
    -128GB SSD.
    -1X 1TB 7200 spinny drive.

    #5
    ZelmoQuad
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    Re:680 heat issue Sunday, October 07, 2012 6:20 PM (permalink)
    My bottom card runs 1-2c warmer warmer. Make sure your Nvidia setting is set to SLI. Usually a 10 degree difference means your setting is on "Disable SLI".

    HAF X Nvidia-ASUS IV Formula/i7 3930K OC'd 4.7/C-M Nepton 280L/MZ-75E1T0B-AM/16G Corsair Dominator GT  2133C9/GTX1080-SLI/CM SPM2 1500W on Asus 27", 165Hz
     
    HAF XM- ASUS Maximus-V Gene/3770K/Kuhler 920/Samsung MZ-7TE1TBW, 500GB/8G Corsair Rampage 1600 XMP/GTX690/CM V1000 1000W

    Stryker -Wht - ASUS Rampage V Extreme USB 3.1/i7 5930K  OC'd to 4.4MHz/EVGA CLC 280/  16GB GSKILL 16G-F4-3200Q/GTX1080Ti-SLI/Samsung MZ-7TE1T0B, 500GB/EVGA 1200P2, G510 Keyboard & Nostromo/MadCatz MMO 7/Windows 10 Pro  64-bit
    #6
    Randolla
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    Re:680 heat issue Monday, October 08, 2012 12:38 AM (permalink)
    Update:  SLI has always been enabled so I do not think that is it.  I changed the PhysX card from #2 to #1 and I will see if that does anything.

    Intel 5930K@ 4.3 Ghz
    ASUS Rampage 5 Extreme Motherboard 
    EVGA GeForce 1080Ti SC
    Case Labs Merlin Full Tower case 
    NZXT Kraken X61 Liquid CPU cooler
    32 Gbs G.Skill Ripjaws 4 DDR4 2666
    EVGA  Supernova P1200 PSU
    Acer Predator X34 Monitor
    Samsung 512 Gb XP941 M2 SSD

    HT Omega eClaro Soundcard[
    #7
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