Dell XPS 15 9570 benchmarks + temps

Discussion in 'Dell XPS and Studio XPS' started by custom90gt, Jun 7, 2018.

  1. Eason

    Eason Notebook Virtuoso

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    Ah I see! Yeah I need to file down the sinks I've got as they're too tall. Need to track down some double sided tape as well
     
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  2. Doomii

    Doomii Newbie

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    Hello guys, i see you talking about temp, throttling and so, i am myself interested in the 9570 with an i9, but reading you i wonder ...
    Is this a conception failure to have such a processor in a case so thin ?

    With my work, the computer will have 2 / 3 minutes of load, never a full cpu + gpu stress for a long period. Do you think i will suffer from throttling ?

    Also, in various topics, i heard about a bad heatsink design, not covering the full processor, but rather a side, resulting in 2 of 4 cores less protected against heat.
    Do you think 9570 still have this issue ?

    Link: http://forum.notebookreview.com/thr...ven-core-temps-due-to-uneven-heatsink.797477/

    That is a lot of question, but thx for helping !
     
  3. custom90gt

    custom90gt Dellerator Moderator

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    It's not ideal to have an i9 inside a thin laptop, it will never perform as good as something that was built to handle such a cpu. I do recommend undervolting as it provides the best increase in performance out of all of the mods.

    Working for 2/3 minutes of load would be more ideal as it will throttle less, but it will still throttle down as the >45w limit is only 30 seconds or so.

    The heatsink is a terrible design and mine was bent slightly, having said that Dell puts enough thermal paste on there for 8 laptops so it will still be covered.

    Good luck if you go the i9 route, I'd love to have one to test but that is way too much money for something that will likely perform the same as an i7.
     
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  4. Doomii

    Doomii Newbie

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    Thank you for answer. I have principle, and using a lot of thermal paste to minimize a heatsink design flaw is a no go for me, espacialy for such a pricey computer.

    I will go with pcspecialist, an other case, and a 8750h. Too bad i liked the design of this dell. But it has to perform first..!!
     
  5. custom90gt

    custom90gt Dellerator Moderator

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    Alright I just put in the table with the results from benches and with that I think I'm done. Hopefully it helps someone, and at least shows the differences each mod makes. I'm pretty happy with the performance of this laptop and may hold on to it for a while...
     
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  6. custom90gt

    custom90gt Dellerator Moderator

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    Yeah don't get me wrong, with an undervolt the dell performs great, just not as good as say an MSI titan. The form factor is great for me and is super portable, I just wish dell would have put a little more thought into the cooling. Even if they made it a few millimeters thicker I would have appreciated the better cooling.
     
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  7. Doomii

    Doomii Newbie

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    Damn, with all those thin laptops i don't know which on to choose....
    Thank you for your answer.
     
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  8. pressing

    pressing Notebook Deity

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    I think the situation is a bit different . . . Most laptops have sloppy, excessive thermal paste applications from the factory so Dell is not alone here.

    From a user's perspective, you really want the smallest quantity of high quality thermal grease possible; that gets you best thermal performance. That takes time, effort, skill, and money.

    From a production perspective, it is cheaper and safer for all the factories just to put on a lot of thermal paste. No manual skills required. And too little thermal paste could cause worse heat problems than too much.

    This why most laptops should benefit from a good repaste by the consumer.
     
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  9. cletus_cassidy

    cletus_cassidy Notebook Enthusiast

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    First off, thanks so much for all of your hard work on this and sharing your results. Your work has definitely helped me, as I've just received my laptop today and will start playing with it tonight after work.

    If I might ask, I know undervolting is the biggest bang/buck, but how would you rank the other mods you've explored? I'm trying to figure out which I want to do vs. which aren't worth the effort. I'm thinking the following, since I'm upgrading the ram and replacing the SSD anyway:

    -Undervolt
    -Repaste CPU/GPU with Kryonaut
    -Thermal pad stack from VRM to backplate per Eason's guide
    -Thermal pad from RAM sensor

    I'm not planning doing iUnlock's mod per what I think you're recommending across multiple posts. Thoughts on the above after all of your work with this laptop?
     
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  10. custom90gt

    custom90gt Dellerator Moderator

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    Great question. If I had to rank order what I think is worthwhile here is how I would do it.

    1. Undervolt - by far the best
    2. Cheap thermal pad between the ram and case bottom - super cheap and easy to do
    3. Repaste - a little more advanced but worthwhile, especially in keeping the max temps down
    4. iunlock mk5 mod - basically just try to cool some of the VRM near that ambient sensor - only really if you want max performance, but I don't know if the juice was worth the squeeze so to speak on that one.
     
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