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3900X or 3950X? Best RAM?

Discussion in 'Processors and motherboards AMD' started by AnnekeFloorever, Jun 19, 2019.

  1. AnnekeFloorever

    AnnekeFloorever Member

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    Hey,

    Ok, I’m doing a complete new build, so far I have these parts:

    1000W power supply, R7 GOLD edition, 500gb Samsung 970 evo plus, 3tb Seagate barracuda.

    I still need to get x570 motherboard, and I want 32gb ram, and processed.

    I have two dilemmas, as I keep my builds for more than 4 years (my current build with fx-8150 and hd7970 of 7 years is dying):

    Should I spent 683$+tax on 3900X or 995$+tax on 3950X? (I’m in Canada)

    What do you recommend for ram ?

    Recommendation for CPU cooler?
     
  2. The Goose

    The Goose Ancient Guru

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    Well if you have the money to burn....3950x, you get an extra 4c/8t......higher turbo( dont know if thats on 1 core or all 16....will be surprised if its 16) and an extra 2mb cache, thats like a 3900x + an i7 7700k on one chip.
     
  3. Kool64

    Kool64 Master Guru

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    also if you have the money to burn you should try to get 3600+ memory. Or perhaps wait till reviews come in since no one is 100% sure what the average memory speed will be. though reports are looking like it will be over 4000 if you have a kit fast enough.
     
  4. Webhiker

    Webhiker Master Guru

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    Performance sweet spot will be 3733 MHz for the memory, since infinity fabric is tied to memory clock at 1:1 up to 3733 MHz. Above 3733 MHz it's 2:1 for infinity fabric.
    But we must wait for reviews to see how memory speed > 3733 MHz affects performance.
     
    Last edited: Jun 20, 2019

  5. Geryboy

    Geryboy Ancient Guru

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    G.Skill wants to bring out a new Trident Z series for Zen 2, I tihnk it was NEO. other than that recommend as mentioned above is 3777, maybe higher will still do something. If not you can downclock 4Ghz+ to 3777 and try to make timings tighter.

    compatibility seems ot be better, aorus advertises anything XMP 2 will work up to 4Ghz at least.

    So old kits will work too of course, if you get a good deal go for it. I think X570 will have very good memory support, not sure how x470 will handle memory QVL.

    If you plan on going x470 wait for reviews. x570 I would say it's save to say exisiting kits up to at least 3600 will work 100%.


    I personaly go with a 3900x, since I don't wanna wait and the 3950x is 50% more expensive for 1/3 more cores, not seeing those cores relevant for gaming, 12 is plenty until a new generation of chips and games will arrive.

    If you want to stream and game, maybe the 16 core will be better, or maybe still overkill, not sure.
     
    StefanInter9 likes this.
  6. las

    las Master Guru

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    Can you wait till the end of the year for 3950X? Then do that. It's not launching with the other parts.

    What is the build for? For gaming going 3950X will be a waste, 250 bucks not well spent, even 12C/24T will be overkill here

    Only if you're doing really CPU intensive tasks, very often, the 3950X will be worth it or wait for Threadripper 3000 series
     
    Geryboy likes this.
  7. Roboionator

    Roboionator Member

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  8. anticupidon

    anticupidon Ancient Guru

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    I'll ask:
    Why do you need a 1000 W PSU ?
    A 750W Gold or Platinum PSU from top tier brands is more than enough for 95% cases.
    Are you in the 5% ballpark?
     
  9. Amaze

    Amaze Ancient Guru

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    Isn't it September?
     
  10. -Tj-

    -Tj- Ancient Guru

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  11. Geryboy

    Geryboy Ancient Guru

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    best way to use a power supply is to be at about 50% load, most efficient. If he has 300W GPU, CPU OC and some RGB and drives 1000W would be closer to the optimum than 750W.

    They both could handle it sure.
     

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