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  1. #1

    Default Is the 3990x the multiboxer's dream cpu?

    Just curious of opinions if this cpu is the dream cpu for those that wanna multibox 20-30-40 accounts, or is it worse than running multiple computer setup?
    Last edited by Altsink : 06-13-2020 at 11:08 PM

  2. #2

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    Your best bet is to use several computers that has headroom for future use aswell.

    If you can afford this kind of hardware to begin with, we are talking per 8 accounts ("per battlenet account"): if it was me: 64gb ram, amd 3950x, radeon vii 16gb vram gpu, 1-2gb m.2 ssd 2000gb/s+, two monitors. Etc.

  3. #3

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    Yeah I was leaning towards wanting everything on one computer, instead of dealing with a multi computer setup, but I'm also unsure of how hot the 3990x would get if I used up all its cores and overclocked a bit or not.

  4. #4

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    Well if you absolutely want to:


    You have 64 cores / 128 threads.

    Main game: 4 cores / 4 threads.

    That leaves 60 cores / 124 threads.


    Each slave: 2 cores / 2 threads

    60 / 30 games = 2 cores / 2 threads each.

    You can multibox 31 accounts alrighty.

    (ideally 30 though: leave the first 2 cores / 2 threads unassigned, for the OS).


    For gpu you then want a nvidia Titan rtx with 24 gb vram.

    And 128 gb RAM (it might be too close though.. depending, with 10 games and craptons of addons i use around 45 gb ram +). So... why not get those 256 gb ram just in case.



    I dunno where you live... but the cpu alone (!), costs the sames as 3 computers able to 10 box each.

    If you plan to run it hard on all cores, id suggest getting atleast the cpu properly watercooled. It will be a pretty small part of the budget afterall, considering. If it was me, and had money to waste, a dream scenario would be a external system with quick disconnects, like a https://koolance.com/image/cache/dat...p2-700x700.jpg

    Edit: ofc also watercool the gpu, if you did choose that radiator.



    Where i live, this pc would cost 13k usd, excluding the monitors and watercooling, and misc items.
    I would buy it, if i had surplus money burning a giant hole in my pocket.

    Then you want fiber internet and a good router with, possibly, custom air cooling.

    You might also need to upgrade the power wireing in the house, to support the 1600w psu.

    Also dont forget to get 1 (possibly 2) quality air conditions (add 1 more, possibly 2, more power wireings.. as these can consume 2000 watts each..)

    And there are probably more items, that i forgot to mention.....


    Do note that if you want to use the "FTL" multiboxing feature, you are "limited to 24 accounts", as you run out of key modifiers at that stage. So for any bigger teams, its time to use the good old trusty /focus main /follow focus /assist focus
    Last edited by WOWBOX40 : 06-14-2020 at 02:35 PM

  5. #5

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    I should mention that, yes, in short, if you plan to stick playing 24 accounts + be able to use the ftl system + you want to play on 1 pc = this cpu meet those requirements.

    You are going to have to pay a premium though... the cost is no joke.
    Last edited by WOWBOX40 : 06-14-2020 at 03:51 PM

  6. #6

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    Selling my kidney for one.

  7. #7
    Member Ughmahedhurtz's Avatar
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    There is a clock speed curve that hits the sweet spot for all-core overclocks at the 3900X/3950X @4.2GHz and tails off the more cores you add. If you want absolute per-client performance, jamming that much thermal load into a single PC might not be the greatest option. That said, as noted above, having all of them on one PC means you can take advantage of things like VideoFX that do not work on multi-PC setups.

    I would hesitate to bother with non-EK water blocks on it based on my reading a few months ago, and based on my experience with a 3900X I doubt a 360mm radiator is gonna be enough if you actually load the CPU down to 90%+. That said, I highly doubt you will be CPU-bound as it's more likely the GPU will become the bottleneck pretty quickly.

    I highly recommend doing some research on coolers including VRM water block support for the motherboard(s) as a 280W TDP CPU is going to stress the power components pretty hard. Hell, the chipset on my measly X570 has its own heat pipe + fan setup (and yeah, it can get pretty hot if you don't factor that in). Thermals are going to be the hardest thing to elegantly control on that system, IMO.
    Now playing: WoW (Garona)

  8. #8

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    Win10 Home maxes at 128GB of RAM while Pro goes up to 512GB, Home is also limited to 1CPU socket, but Pro and Enterprise will do 2 CPUs. Win10 Pro and Enterprise essentially cap at 64 threads. MS will say they support up to 256 threads on Pro/Enterprise/Server, but not optimally - Its so bad that performance is often better with 64 than it is with 128 or 256 threads. You can actually disable cores on high end servers and watch performance go up. Such that at work we're sticking with twin Xeon 8280's (HT disabled) as opposed to swapping in Epyc 7742 if its on a Windows server (don't have this problem if you're on RHEL or ESXi.)

    Anyone here tried a 3990x with different workloads in any version of Windows?

  9. #9

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    Quote Originally Posted by Ughmahedhurtz View Post
    There is a clock speed curve that hits the sweet spot for all-core overclocks at the 3900X/3950X @4.2GHz and tails off the more cores you add. If you want absolute per-client performance, jamming that much thermal load into a single PC might not be the greatest option. That said, as noted above, having all of them on one PC means you can take advantage of things like VideoFX that do not work on multi-PC setups.

    I would hesitate to bother with non-EK water blocks on it based on my reading a few months ago, and based on my experience with a 3900X I doubt a 360mm radiator is gonna be enough if you actually load the CPU down to 90%+. That said, I highly doubt you will be CPU-bound as it's more likely the GPU will become the bottleneck pretty quickly.

    I highly recommend doing some research on coolers including VRM water block support for the motherboard(s) as a 280W TDP CPU is going to stress the power components pretty hard. Hell, the chipset on my measly X570 has its own heat pipe + fan setup (and yeah, it can get pretty hot if you don't factor that in). Thermals are going to be the hardest thing to elegantly control on that system, IMO.
    Which x570 do you use?

    Yeah the thermals got me scared to buy this chip honestly.

  10. #10

    Default

    Quote Originally Posted by jak3676 View Post
    Win10 Home maxes at 128GB of RAM while Pro goes up to 512GB, Home is also limited to 1CPU socket, but Pro and Enterprise will do 2 CPUs. Win10 Pro and Enterprise essentially cap at 64 threads. MS will say they support up to 256 threads on Pro/Enterprise/Server, but not optimally - Its so bad that performance is often better with 64 than it is with 128 or 256 threads. You can actually disable cores on high end servers and watch performance go up. Such that at work we're sticking with twin Xeon 8280's (HT disabled) as opposed to swapping in Epyc 7742 if its on a Windows server (don't have this problem if you're on RHEL or ESXi.)

    Anyone here tried a 3990x with different workloads in any version of Windows?
    I knew MS announced support for 64+ threads since the release of the 3990x but I wasn't aware that it still isn't optimal. So performance is still better on a 3970x then?

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