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    NP8651 vs NP8652 (cooling)

    Discussion in 'Sager and Clevo' started by Lerus, Jun 22, 2015.

  1. Lerus

    Lerus Newbie

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    Hello,

    Does anyone know if one has better cooling than the other or are they about the same? I know the 52 has a 980m so I am assuming it will consume more power and thus generate more heat. I think I'll need one of those auto switch AC adapters that have a range between 100 - 240V. Any suggestions on how I can improve cooling?
     
    Lerus, Jun 22, 2015
    #1
  2. octiceps

    octiceps Nimrod

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    They have the same cooling
     
    octiceps, Jun 22, 2015
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  3. E.D.U.

    E.D.U. Notebook Deity

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    ^ Same internal cooling: one fan for CPU, two for GPU. Otherwise, you assume correctly. A cooling pad might help lower temps by a few degrees (likely low single digits, if anything). The chassis cools well enough and I haven't had to even use my cooling pad yet; though only less demanding games tested thus far.
     
    E.D.U., Jun 22, 2015
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  4. grecinos

    grecinos Notebook Enthusiast

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    My NP8651 runs hotter than the laptop PC it replaced (Asus G55VW). I applied Arctic Silver thermal compound on the CPU and GPU and am using a laptop cooler. I keep the laptop cooler off most of the time. Elevating the laptop helps keep it cooler. I can play Skyrim and the fans rarely turn on, and when they do, it's very quiet. I would also recommend setting the Control Center Fan Speed setting to Custom.

    Hope this helps :)
     
    grecinos, Jun 22, 2015
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  5. HTWingNut

    HTWingNut Potato

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    NP8651 has a GTX 970m, G55VW has 660m, big difference in TDP, like 50W vs 75-80W. I would not use Arctic Silver. N1-H1, Gelid GC Extreme, or my pesonal favorite IC diamond will drop temps a good 5-7C compared to Arctic Silver 5.
     
    HTWingNut, Jun 22, 2015
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  6. Brent R.

    Brent R. Notebook Evangelist

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    Yes Arctic Silver is an older paste that really isn't up to par with new higher powered hardware as suggested I would take that Arctic Silver off and get some IC diamond it will last longer and give you cooler temps, I have also heard Gelid GC Extreme is good as mentioned but I don't have experience with it myself...
     
    Brent R., Jun 23, 2015
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  7. Elipsus

    Elipsus Notebook Consultant

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    I agree, but the IC diamond have some major issues to me : it doesn't last long, in 6 month, you will probably have to repast, and it have a tendency to scratch surface of heatsink and/or processor, i don't like it.
    prefer it a Prolimatech NT-H3 or Gelid GC extrem wich can outperform it and doesn't have the problems mentionned
     
    Elipsus, Jun 23, 2015
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  8. HTWingNut

    HTWingNut Potato

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    Whaaaat? No IC Diamond is pretty much as set it and forget it paste. GC Extreme needs a repaste after maybe a year. The only issue with IC Diamond is it can scratch the die because of the diamonds in it, but there are ways to minimize it and it's only cosmetic.
     
    HTWingNut, Jun 23, 2015
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  9. Brent R.

    Brent R. Notebook Evangelist

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    Exactly what HTWingNut said IC Diamond will last forever...and its easy to not scratch the die just don't scrub or push hard when removing it simple as that....
     
    Brent R., Jun 23, 2015
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  10. Elipsus

    Elipsus Notebook Consultant

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    Oh, my bad then, i must have applied badly (after 12 month it was all "cracked", gained 9°C.....), but the "don't scrub when removing", how can you peel of all the grease without pushing a bit ?

    Anyway, i stay on my position , Prolimatech is good on every point VS IC diamond :)
     
    Elipsus, Jun 23, 2015
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  11. Meaker@Sager

    Meaker@Sager Company Representative

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    Use a plastic spatula to remove it.
     
    Meaker@Sager, Jun 23, 2015
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  12. grecinos

    grecinos Notebook Enthusiast

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    Well, my NP8651 remains cool after applying the arctic silver. Perhaps I'll try the thermal compound you guys are using in a few months. Either way, it's good to know that there's more than one option.

    Cheers.
     
    grecinos, Jun 23, 2015
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  13. Meaker@Sager

    Meaker@Sager Company Representative

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    AS5 actually dates back to 2003, so it has been around longer than I have been on these forums lol.
     
    Meaker@Sager, Jun 23, 2015
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  14. Support.3@XOTIC PC

    Support.3@XOTIC PC Company Representative

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    If its looking good leave it as is. Just keep the other in mind for next time, AS will "wear out" eventually.
     
    Support.3@XOTIC PC, Jun 23, 2015
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  15. Prostar Computer

    Prostar Computer Company Representative

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    AS5 is definitely a long time staple. It's not as capable as more modern compounds, but like Hutsady said: As long as it works for you, leave it. :)
     
    Prostar Computer, Jun 25, 2015
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  16. HTWingNut

    HTWingNut Potato

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    I am testing out the Noctua NT-H1 thermal compound at the moment and it competes or beats IC Diamond out of the box by 1-2C at load and does not contain diamond to scratch the die surface. Just not sure about longevity. I have put IC Diamond on a lot of laptops including my sister's who I got back after three years to fix another issue, and IC diamond is still running strong without need for a repaste.
     
    HTWingNut, Jun 25, 2015
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  17. Meaker@Sager

    Meaker@Sager Company Representative

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    If IC diamond is degrading in a machine it's likely due to a heatsink fit issue.
     
    Meaker@Sager, Jun 25, 2015
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  18. budgetGamer

    budgetGamer Notebook Enthusiast

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    I can guarantee that cooling pad is completly useless solution for reducing heat, therefore I would rather apply the new thermal paste to both GPU and CPU in the laptop.
     
    budgetGamer, Jul 6, 2015
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  19. Brent R.

    Brent R. Notebook Evangelist

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    I can guarantee that using a cooling pad works great at reducing heat :)


    Sent from my iPhone using Tapatalk
     
    Brent R., Jul 7, 2015
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  20. Meaker@Sager

    Meaker@Sager Company Representative

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    The impact depends on model, environmental temps, any cooling mods you have done. For some laptops it will make no difference and on other a fair amount.

    On my P570WM for instance the impact was 0.
     
    Meaker@Sager, Jul 7, 2015
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  21. Brent R.

    Brent R. Notebook Evangelist

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    Really? Kinda hard for me to imagine increased air flow not having an impact... Crazyness


    Sent from my iPhone using Tapatalk
     
    Brent R., Jul 7, 2015
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  22. HTWingNut

    HTWingNut Potato

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    Airflow against your bottom plastic plate has no impact. Plastic is an insulator. Plus even if it's pushing air into the fan intake, if the airflow is too low and temps aren't much cooler than what the fan is taking in anyhow, it won't matter. Only way it will matter is if you push air across the heatpipes and heatsinks or remove your bottom cover and cool the air around it. I haven't found laptop coolers do much of anything for laptops for years.
     
    HTWingNut, Jul 8, 2015
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  23. Support.1@XOTIC PC

    Support.1@XOTIC PC Company Representative

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    If you are getting one, try to compare the vents on your computer and find a cooler where the fans are in a similar position to the vents. Having one large fan in the center of the cooler won't really do much, if they aren't located under the openings in the bottom panel.
     
    Support.1@XOTIC PC, Jul 8, 2015
    #23