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Hot!EVGA 3090 XC3 Ultra low core

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delvey
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2021/09/11 11:42:45 (permalink)
Managed to grap a 3090 XC3 ultra today. I have had a 3090Fe in the past, but the EVGA cards allow the cooler to be stripped for watercooling.
Now the issue is the core clock. When using Port Royalw benchmark tool, the FE used to hit 1950Mhz and when undervolted would run at 1925Mhz at 0.925V.
The EVGA isn't even hitting 1725Mhz (it's advertised boost speed). It also is only sitting at 0.8v or around that mark. Is this normal? Youtube suggests the FYW3 (I know a different card) will hit 2000Mhz out of the box, and a friend has a Palit that sits at 2000MHz at 0.925V. Any suggestions?
#1

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    Lordred
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    Re: EVGA 3090 XC3 Ultra low core 2021/09/11 18:38:22 (permalink)
    Can you fill us in with some basic information:
     
    CPU:
    GPU: eVGA RTX3090 XC3
    PSU:
    Power cable attachments
     
    When you open up a program like afterburner, what does this cards boost curve look like? How are the temperatures?
     
    Just get us the basics first, we know you cannot post pictures, or links yet.

     
    #2
    delvey
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    Re: EVGA 3090 XC3 Ultra low core 2021/09/12 08:22:53 (permalink)
    Lordred
    Can you fill us in with some basic information:
     
    CPU:
    GPU: eVGA RTX3090 XC3
    PSU:
    Power cable attachments
     
    When you open up a program like afterburner, what does this cards boost curve look like? How are the temperatures?
     
    Just get us the basics first, we know you cannot post pictures, or links yet.

    5600x CPU
    RM750 with standard cables.

    Temps are fine, peaking at about 70°C. The boost curve is pretty stable, as I said it hits 1695Mhz and seems to stay there. Had no issues with a 3090 FE
    #3
    rjohnson11
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    Re: EVGA 3090 XC3 Ultra low core 2021/09/12 08:47:00 (permalink)
    Double post deleted as requested

    AMD Ryzen 9 5950X,  Corsair Mp600 Pro M.2, 128GB DDR4  Crosshair VIII Hero, RX 6900 XT Associate Code: H5U80QBH6BH0AXF. I am NOT an employee of EVGA

    #4
    delvey
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    Re: EVGA 3090 XC3 Ultra low core 2021/09/12 09:24:15 (permalink)
    Image attached, temp a little higher as I have mounted the GPU vertically. It has hit 1950 briefly, this is running timespy

    Attached Image(s)

    #5
    buzzbecks
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    Re: EVGA 3090 XC3 Ultra low core 2021/09/12 09:40:20 (permalink)
    i had to send my 3090 back to company it was hitting a low as 9fps in game which isnt right for this type of card
    #6
    Lordred
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    Re: EVGA 3090 XC3 Ultra low core 2021/09/12 10:34:47 (permalink)
    Using GPUZ can you check the power consumption per pcie connector, and power draw at full load.

    Using afterburner, hit ctrl+f amd show us the cards boost curve.

    Thanks

     
    #7
    delvey
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    Re: EVGA 3090 XC3 Ultra low core 2021/09/12 10:40:38 (permalink)
    Curve Below
    PCIE power draw is 150W and 142W, and 60W for PCIE slot power
    Board power draw is 352W
    All values taken from GPU-Z using the "Max" function

    Attached Image(s)

    #8
    Lordred
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    Re: EVGA 3090 XC3 Ultra low core 2021/09/12 11:06:25 (permalink)
    Well, your hitting power spec. So chances are you have a card underperforming. If this is an XC3 Ultra, Perform a few benchmarks like time spy, log the clock speeds, and potentially, open an RMA request with evga. It should at least, hit 1725mhz.

     
    #9
    BiOD0L3
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    Re: EVGA 3090 XC3 Ultra low core 2021/09/12 19:57:18 (permalink)
    This may sound crazy, but did you test another PSU? I would give that a shot if you have another 750W (or greater) available at your disposal.
    #10
    Lordred
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    Re: EVGA 3090 XC3 Ultra low core 2021/09/12 20:03:54 (permalink)
    For fun, in the boost curve, drag the whole curve down, then set the point for 825mv to 1800mhz. Then apply that in afterburner and test. My 3090 sits around 285w at 1800mhz. This may rule out power delivery as an issue.

     
    #11
    delvey
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    Re: EVGA 3090 XC3 Ultra low core 2021/09/13 00:32:33 (permalink)
    BiOD0L3
    This may sound crazy, but did you test another PSU? I would give that a shot if you have another 750W (or greater) available at your disposal.

    PSU is only 2 months old.

    I have managed to fix the issue I believe. I have set performance mode to highest in the nvidia control panel and I can not hit 1980mhz and it stays there when gaming. A bit annoying as it means it only clocks to 1750Mhz when not in use
    #12
    mcsands59
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    Re: EVGA 3090 XC3 Ultra low core 2021/09/13 09:56:15 (permalink)
    Set the GPU performance to "prefer maximum performance" in Nvidia control panel for only the games/apps where you want maximum performance, and then set the global performance to "optimize" This will allow the GPU to downclock while idle.

    CPU:  Intel i9 10900K (5GHz All Core Adaptave)
    CPU AIO:  Corsair H150i Elite Capellix
    GPU:  EVGA 3080XC3 Ultra Hybrid (1920MHz @ 0.917mV; +500 mem)
    RAM:  32GB (4x8) Corsair Vengeance RGB Pro 3200Mhz CL16 DDR4
    PSU:  Corsair AX1200i
    MB:  ASUS ROG Maximus XII Hero
    Case:  Corsair 680x RGB
    OS Drive:  1TB Samsung 960 EVO
    Game Drive:  2x 1TB Samsung 870 QVO (RAID 0)
    Plex Media Drive:  2x 16TB Seagate IronWolf (RAID 1)
    #13
    delvey
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    Re: EVGA 3090 XC3 Ultra low core 2021/09/25 10:08:23 (permalink)
    Next concern are core temps. Quickly hits 75°C and on warmer days more. Does this seem high? FTW3 review sees it peaking at 65°C under stress review
    #14
    Lordred
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    Re: EVGA 3090 XC3 Ultra low core 2021/09/25 13:49:57 (permalink)
    Are you using a PCI-E Riser? can you show us a picture of how your system is arranged, these are big cards, air exchange is important.

     
    #15
    kevinc313
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    Re: EVGA 3090 XC3 Ultra low core 2021/09/25 14:10:32 (permalink)
    delvey
    BiOD0L3
    This may sound crazy, but did you test another PSU? I would give that a shot if you have another 750W (or greater) available at your disposal.

    PSU is only 2 months old.

    I have managed to fix the issue I believe. I have set performance mode to highest in the nvidia control panel and I can not hit 1980mhz and it stays there when gaming. A bit annoying as it means it only clocks to 1750Mhz when not in use



    I use the performance power mode as a good practice, many people do, but I set it on a per game basis in the Nvidia driver.  All you have to do is select the EXE in the other tab.
     
    mcsands59
    Set the GPU performance to "prefer maximum performance" in Nvidia control panel for only the games/apps where you want maximum performance, and then set the global performance to "optimize" This will allow the GPU to downclock while idle.


     
    Just like this.
    post edited by kevinc313 - 2021/09/25 14:12:24
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    kevinc313
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    Re: EVGA 3090 XC3 Ultra low core 2021/09/25 14:21:02 (permalink)
    delvey
    Next concern are core temps. Quickly hits 75°C and on warmer days more. Does this seem high? FTW3 review sees it peaking at 65°C under stress review




    This is totally normal for an XC3 on the stock fan curve. 
     
    Try using a fixed card and case fan speed with these high power cards, set them has high as the noise you can tolerate.  It helps to have a MB software or the "Fan Control" freeware to tweak all the fans in one place while the machine is running, you can really dial in the noise of each fan vs. temps. It's easier to tolerate a higher speed when it's constant vs. ramping up and down.  Then save a profile you can easily apply when you're gaming.
     
    With the fixed fans, when the card's power drops occasionally during gaming, the fans will keep going and cut down on the overall system heatsoak, reducing the peak temps under high load.
     
    Make sure your case fan config is such that the card gets plenty of air.  Front AIO's are very restrictive usually prevent enough airflow from getting to an air cooled GPU.
    post edited by kevinc313 - 2021/09/25 16:01:17
    #17
    mite_jan
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    Re: EVGA 3090 XC3 Ultra low core 2021/09/25 15:29:04 (permalink)
    Xc3 black and ultra users get no support , ftw is the only one that gets bioses
    #18
    delvey
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    Re: EVGA 3090 XC3 Ultra low core 2021/09/26 03:59:59 (permalink)
    kevinc313
    delvey
    Next concern are core temps. Quickly hits 75°C and on warmer days more. Does this seem high? FTW3 review sees it peaking at 65°C under stress review




    This is totally normal for an XC3 on the stock fan curve. 
     
    Try using a fixed card and case fan speed with these high power cards, set them has high as the noise you can tolerate.  It helps to have a MB software or the "Fan Control" freeware to tweak all the fans in one place while the machine is running, you can really dial in the noise of each fan vs. temps. It's easier to tolerate a higher speed when it's constant vs. ramping up and down.  Then save a profile you can easily apply when you're gaming.
     
    With the fixed fans, when the card's power drops occasionally during gaming, the fans will keep going and cut down on the overall system heatsoak, reducing the peak temps under high load.
     
    Make sure your case fan config is such that the card gets plenty of air.  Front AIO's are very restrictive usually prevent enough airflow from getting to an air cooled GPU.

    Thanks for the reply.
    I am not running a stock fan curve. I'm running at 40% until it hits 40°C and then it increase by 10% for every 10°C. As you can imagine at 75°C it is quite noisy.
    I am already running fan control software. As I've said I have 2 SP120 under the GPU that go upto 70% depending on the GPU temperature (I have several fan curve in fan control, great bit of software). I have uploaded a picture of my case.
    I was playing PUBG last night and the side glass was hot too touch. I removed the side glass from the case but this only lowered the temperature down by 1 or 2°C, I thought it would have lowered it by much more
    #19
    kevinc313
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    Re: EVGA 3090 XC3 Ultra low core 2021/09/26 09:17:14 (permalink)
    delvey

    Thanks for the reply.
    I am not running a stock fan curve. I'm running at 40% until it hits 40°C and then it increase by 10% for every 10°C. As you can imagine at 75°C it is quite noisy.
    I am already running fan control software. As I've said I have 2 SP120 under the GPU that go upto 70% depending on the GPU temperature (I have several fan curve in fan control, great bit of software). I have uploaded a picture of my case.
    I was playing PUBG last night and the side glass was hot too touch. I removed the side glass from the case but this only lowered the temperature down by 1 or 2°C, I thought it would have lowered it by much more

     
    Sounds like you're in good shape, but definitely try the fixed fans at like all 80% while gaming.  Good front intake fans also should help to flush away the card's exhaust air and keep the case glass from getting so hot, while keeping the backplate memory cooler.
     
    Can't see your case picture until you have 10 posts.
    post edited by kevinc313 - 2021/09/26 09:22:49
    #20
    delvey
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    Re: EVGA 3090 XC3 Ultra low core 2021/09/26 09:18:26 (permalink)
    Picture below
    Or not, doesn't seem to want to upload
    #21
    kevinc313
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    Re: EVGA 3090 XC3 Ultra low core 2021/09/26 09:22:20 (permalink)
    delvey
    Picture below
    Or not, doesn't seem to want to upload



    Yeah if you break up the link to avoid the filter that should be OK.
    #22
    delvey
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    Re: EVGA 3090 XC3 Ultra low core 2021/10/24 04:21:57 (permalink)
    So, I pulled the 3090 apart to fit a waterblock yesterday. All I can say is that the thernal paste looks like it was applied 10 years ago by a 10 year old. It didn't cover the core, pi55 poor job from EVGA
    #23
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