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In practice, is the i9 7900X/7920X really much hotter than the Threadripper CPUs?

I am very sensitive to noise so I prefer a quiet system in my bedroom. I try to stay away from water cooling systems that require pump. I don't want water leaking to my expensive system and damage the components. Are those sealed water cooling systems for the CPU and GPU safe? I heard people saying that the i9 CPUs are very hot but some people said they are not that bad. So, in practice, how are they compared with the TRs?
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More about practice 7900x 7920x hotter threadripper cpus
  1. Best answer
    The threadripper CPUs have another 40W of TDP compared to the intel chips. (180w vs 140w). The reason why people say the intel CPUs run hot is because the crappy TIM between the IHS and die limits thermal transfer by up to ~25C vs being soldered. If you delid one of these i9s and use liquid metal, it will run cooler because it uses less energy to start off with. (The i9 will keep your room cooler and quieter).
  2. Thanks. So, using the method you mentioned, the i9 will be cooler and quieter than the TR? How to delid? Will I damage the CPU if I make mistake during the process?
  3. modeonoff said:
    Thanks. So, using the method you mentioned, the i9 will be cooler and quieter than the TR? How to delid? Will I damage the CPU if I make mistake during the process?


    siliconlottery.com can do the process for you, and it will generate less heat.
  4. Thanks but I am not in the USA. Either I do it myself or use another approach. Is there an approach that could be easily done by myself to make the i9 system silent?
  5. modeonoff said:
    Thanks but I am not in the USA. Either I do it myself or use another approach. Is there an approach that could be easily done by myself to make the i9 system silent?


    Sorry to break it to you, but a water cooler on an i9 is practically mandatory. You need to delid to even have a chance at running on an air cooler, especially a quiet one.

    Why do you want an i9-7900x?

    TR isn't going to be any better in this regard, btw.
  6. I can accept things like Corsair Hydro Series H100i V2 but not things like the Thermaltake Pacific CL-W063-CA00BL-A DIY LCS RL240 Water Colling Kit.

    By water cooler that is mandatory, do you mean those that require pump, radiator and users making the pipes such as the Thermaltake's?

    I am drawn between i9 and TR. i9-7900x is probably better for Matlab/CAD applications. Besides, it could be used to build a Hackintosh.
  7. Um, the answer to your question is YES the i9 runs hotter than the TR. W.my new Liqtech 360 I have not once broken 80c on 3.9ghz on my 1950x. Delid=void warranty and possibly messing up the chip.

    But, if your into delid or don't OC the 7900x will beat the TR in anything that doesn't use cores for performance.
  8. Is it easy to delid by myself at home?
  9. modeonoff said:
    Is it easy to delid by myself at home?


    You can use a vice or a razor blade, but for a CPU that expensive, i wouldn't do those. There is a cheap LGA 2066 delidding tool which uses a screw and some pressure to pop the lid off, and i would use that. When you want to reseal the lid back on after applying some thermal grizzly conductonaut, or some other liquid metal TIM, use a tiny amount of some silicone sealer/adhesive and apply pressure for a few hours until you are sure that it has cured (hardened).
  10. You guys are giving him some rather dangerous advice for what sounds like a newbie.
    Delidding and liquid metal are both beyond expert level tasks, and are super easy ways to completely destroy a CPU.
    Liquid metal is also something you have to replace more regularly than thermal paste.

    @Modeonoff, you need to do a lot more research about the CPUs you're thinking about getting, and also maybe decide if you really need them. Only people who like do extremely heavy Video editing would be able to properly use one.
  11. I have to pipe in here...The i9-7900x and i9-7920x will run more than fine if you are not planning to overclock in terms of heat, though I would recommend a good AIO cooler, something like the Corsair H110 or NZXT X62, Be Quiet or Fractal Design etc. In terms of sound, I have always used a AIO becouse they are quiet, you will not hear the pump and a decent set of fans will only ramp up when the CPU is trully loading up. In normal use, heat and sound will most definatly NOT be a problem.
  12. James Mason said:
    Liquid metal is also something you have to replace more regularly than thermal paste.


    I don't see how a mixture of gallium, indium, and a few other metals would have to be replaced often if a metal cannot dry out like thermal paste can. Please explain?
  13. the 7820X/7900X will never match the TR4's low temps, the latter typically running 15-20C cooler under load....

    If you need lots of cores, and can't use CUDA GPU acceleration, then the 1920/1950X is a pretty impressive solution for the cost, truthfully...
  14. RektSkrubz said:
    James Mason said:
    Liquid metal is also something you have to replace more regularly than thermal paste.


    I don't see how a mixture of gallium, indium, and a few other metals would have to be replaced often if a metal cannot dry out like thermal paste can. Please explain?


    Mmm it was something i've heard in the past, it may depend on brand.
  15. modeonoff said:
    Thanks but I am not in the USA. Either I do it myself or use another approach. Is there an approach that could be easily done by myself to make the i9 system silent?


    Pack your CPU up, send it to Silicon Lottery insured post (if you send something and then have it sent back you should not have to pay any tax either side) and have them do it. If they break it they replace it, that is easily worth the cost.

    If you dont want to do this why would you not just buy an AMD proc?

    James Mason said:

    Mmm it was something i've heard in the past, it may depend on brand.


    I think this is a myth, but maybe applying it incorrectly effects it in some way... either way its something silicon lottery address on their delidding page:
    siliconlottery said:

    There is no need to replace the liquid metal over time. We've been selling delidded processors for three years without any reports of thermal degradation.
  16. modeonoff said:
    Is it easy to delid by myself at home?


    It's easy if you have der8auer delidd tool or rockit99,it's almost fool proof. :D But stay away from razors and home made tools because there is 99% chance that you will damage some of the caps or other components on CPU PCB. :D
    Also,forget about AIO on i9s....Only custom loop will give you descent results and after delidding,you need to do some fine tunning to keep OCtemps to acceptable levels. :D They are great as workstation PC.It's not cheap,it's not that easy,but results pays off (note,I have a dud for i9 7900x on full blown custom loop,barely OCable but great for my work nevertheless) :D
    I think if you go for threadripper,you won't see any significant performance drop,but you will save like 1000$ on mobo and cooling ... :)
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