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  1. #1
    ROG Member Array LaserJudas PC Specs
    LaserJudas PC Specs
    MotherboardH170
    Processori7 6700
    Graphics Card #1Asus Turbo GTX 1080

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    ROG G20CB with 1080, loud as hell

    Hi there,
    I am a proud owner of not one, but TWO Rog G20-models. One AJ and one CB-model.
    Both with i7:s, a 4790 and a 6700. I have a minor issue though and it's that the CB-model is WAAAAAY louder than the 4970.

    I have installed an ASUS 1080 Turbo (yes, i know it lacks a backplate) and an M.2-disk plus a Samsung 850 Pro in the newer model (G20CB). What concerns me though is that it is RATHER loud compared to my AJ-model.

    When running Overwatch in 144 Hz, 2560x1080 in ultra settings it sounds like a jetplane. Both chassie and cpu fan is running way over 3000 rpm and the GPU is around 2700 rpm. I have measured dB and its around 48-56 dB. Compared to around 30 dB at idle.

    When I put the 1080 in my 4 year old machine it runs at a much lower 2300 rpm (all three fans). Why is this? Is the 6700 so much hotter due to a smaller die/lower nano count or is it something else? I have put on the best thermal paste there is (arctic cool) but CPU still runs at 60C at full load. Almost 70C when I run stress tests with CPU-Z. I guess its OK since the 6700 doesnt start to thermal throttle until around 80-90C.

    Is this a flaw machine or is it common that it roars like this? There is a stock machine with a 1080 GTX, but I havent tried it (it has the same card as I installed). How loud is that machine? Anyone here that has tried it?

    I can post a Youtube-video tonight with the machine running at full load.

    Please help me with feedback

    /K

  2. #2
    ROG Guru: Orange Belt Array chilinmichael's Avatar
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    I think I found your video card, this is a "reference style" model that has blower-style fan that shoots the air out the back of the PC, correct? If not, that's your issue.

    Far as the PC screaming away, even when I put my CB under load, you can hear the fans but it's not horrendous. Can't say I used a db meter on it (don't have one) but any game at reasonable volume drowns it out.
    Asus G20CB - Core i7 6700, Nvidia GTX980, 16GB Ram, 256GB SK Hynix SSD, 1TB Samsung SSD.

  3. #3
    ROG Member Array LaserJudas PC Specs
    LaserJudas PC Specs
    MotherboardH170
    Processori7 6700
    Graphics Card #1Asus Turbo GTX 1080

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    Yep, its a read blower model. Ofcause.
    But what is confusing me most is that I have tried both a 1070 (founders edition) and a 1080 and I have installed them both in the AJ-model with the 4970.
    And that machine is dead quiet.
    Is the 6700 running so much hotter?
    /Klaus

  4. #4
    ROG Enthusiast Array
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    Quote Originally Posted by LaserJudas View Post
    Yep, its a read blower model. Ofcause.
    But what is confusing me most is that I have tried both a 1070 (founders edition) and a 1080 and I have installed them both in the AJ-model with the 4970.
    And that machine is dead quiet.
    Is the 6700 running so much hotter?
    /Klaus
    artic cool is not the best thermal paste

    personally I like to use Gelid GC extreme

    also your M.2 is probably the cause as they have been known to get over 100c when in use

  5. #5
    ROG Member Array LaserJudas PC Specs
    LaserJudas PC Specs
    MotherboardH170
    Processori7 6700
    Graphics Card #1Asus Turbo GTX 1080

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    Quote Originally Posted by Asus11 View Post
    artic cool is not the best thermal paste

    personally I like to use Gelid GC extreme

    also your M.2 is probably the cause as they have been known to get over 100c when in use
    That might be a valid point. The fan speeds went up very much after installing it.

    Artic is good though, have been using it for many machines now. I am about to sell both machines and build a AMd Ryzen 1800x build instead. Very interested in that new platform.

    /K

  6. #6
    ROG Guru: Orange Belt Array chilinmichael's Avatar
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    I've read about the M2 causing heat as well in a few posts here, very concerning as I had planned to eventually get a 960Pro Samsung 512GB and put that as my primary. If it's causing heat buildup nearby a sensor that certainly could be it...
    Asus G20CB - Core i7 6700, Nvidia GTX980, 16GB Ram, 256GB SK Hynix SSD, 1TB Samsung SSD.

  7. #7
    ROG Member Array LaserJudas PC Specs
    LaserJudas PC Specs
    MotherboardH170
    Processori7 6700
    Graphics Card #1Asus Turbo GTX 1080

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    Unfortunately Speccy and other diagnostics programs can not read the temp of the M.2-disk. Darn. Well, I guess I just have to live with that the computer is a bit noisy. I mean, 6700 and a 1080-card is bound to generate a lot of heat and in such a small case I guess iI just have to live with it.

    A little bit sad though since the G20AJ is som much more quiet. It seldom exceeds 30 dB even at full load.

    /Klaus

  8. #8
    ROG Guru: Orange Belt Array chilinmichael's Avatar
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    Though it would be interesting to see the temp of the disk itself, I'd be more interested on it's impact on the MB temps/CPU temps. I'd think more likely MB though, that sensor probably triggers fan throttling.
    Asus G20CB - Core i7 6700, Nvidia GTX980, 16GB Ram, 256GB SK Hynix SSD, 1TB Samsung SSD.

  9. #9
    ROG Member Array LaserJudas PC Specs
    LaserJudas PC Specs
    MotherboardH170
    Processori7 6700
    Graphics Card #1Asus Turbo GTX 1080

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    Looks like it.
    I just did some extensive testing with CPU-Z where I stresstested the CPU for 2 minutes. I tested both the AJ-model and the CB-model.

    Here are the results:

    CB-model:
    8200 point in test
    63 C at full load after 2 minutes
    3300 fan speed both on the CPU and chassi fan

    AJ-model
    7200 points in test
    59 C at full load after 2 minutes
    1900 CPU fan speed and 1400 at chassi fan.

    There is A VERY big difference in fan speeds (and therefore sound level) between the two models. Is there anyone else that can do this test? Just download the CPU-Z application and run it for 2 minutes and check speeds in Aegis?

    I wonder if it is so that the heatsink/cooler is better on the AJ-model (but it looks exacly the same). I am thinking about switching the two and see if there is a difference, and also put on even more cooler paste to see if it impacts the heat.

    /Klaus

  10. #10
    ROG Guru: Orange Belt Array chilinmichael's Avatar
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    Better thermal paste, not more. You want an even, thin layer. Arctic Silver 5.
    Asus G20CB - Core i7 6700, Nvidia GTX980, 16GB Ram, 256GB SK Hynix SSD, 1TB Samsung SSD.

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