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News AMD announces Zen 2 CPUs, feat. 12-core Ryzen 9 3900X

Discussion in 'Article Discussion' started by bit-tech, 27 May 2019.

  1. bit-tech

    bit-tech Supreme Overlord Staff Administrator

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    Read more
     
  2. The_Crapman

    The_Crapman Don't phone it's just for fun.

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  3. perplekks45

    perplekks45 LIKE AN ANIMAL!

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    I'm not surprised, not thrilled, but gently impressed and excited.
     
  4. TechnoMod87

    TechnoMod87 Member

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    need only benchmark...
     
  5. Jeff Hine

    Jeff Hine Nothing special

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    That 3600 piques my interest... but I bet the UK price will be dollar to pound.

    Could just hit a sweet-spot between a 2600 & a 2700... space watching - initiated.
     
    Last edited: 27 May 2019
  6. zimano

    zimano Member

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    The_Crapman, How dare you post a picture of my Mrs on here!
     
    The_Crapman and Vault-Tec like this.
  7. Anfield

    Anfield Well-Known Member

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    Given how the Asus mobo PR dude was squirming when 16 cores got mentioned... I reckon it can't be too long before AMD stops playing around and announces it.
     
  8. edzieba

    edzieba Virtual Realist

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    Well that didn't last long; PCIe 4.0 CPU lane support now confirmed to be exclusive to 5xx series chipsets, will not be enabled for any existing motherboards.
     
  9. MLyons

    MLyons Half dev, Half doge. Staff Administrator Super Moderator Moderator

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    Makes sense to be honest. Looks like it uses quite a bit more power chipset wise
     
  10. Wakka

    Wakka Yo, eat this, ya?

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    Plus, how many years/generations of GPU until the extra bandwidth actually makes a difference? Are we even saturating PCI-E 3.0 X16 at 4K yet?

    Navi being "Gen. 4" is a bit like Nvidia with ray tracing - it's a USP to add some marketing flavour and techy buzzwords, but it isn't going to make a lot of difference to end users for a while yet...
     
  11. MLyons

    MLyons Half dev, Half doge. Staff Administrator Super Moderator Moderator

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    IIRC the PCIe is more for workstation and scientific type loads on GPUs and for storage more than gaming
     
  12. edzieba

    edzieba Virtual Realist

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    It's nothing to do with the chipset. Previously it was announced that direct-fromCPU lanes (not chipset PCIe lanes, those are stuck on 2.0 for all current Ryzen chipsets) would be able to run at PCIe 4.0 speeds with a 3000 series CPU. This has now been reversed, and only boards with X570 (and presumably future 5xx series chips) will support PCIe 4.0 direct from the CPU.
    Barely even saturating x8 with a pair of the toppest-of-the-top-end GPUs in SLI.
     
  13. Wakka

    Wakka Yo, eat this, ya?

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    Also, side note - If the $499 price of the 3900X translates as the usual £499, this could well be the first genuinely top-end CPU I buy since I spent £600 on a QX6850. Would I need that much extra over a 3600/3700? Nope. But it would be a machine built to last a minimum of 6-7 years.
     
  14. perplekks45

    perplekks45 LIKE AN ANIMAL!

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    This.

    My current CPU is a 3770K, before that I had one or two stop-gaps, before that I ran a C2D E6600 @ 50% overclock for years. I just want a CPU/mainboard/RAM combo that serves me well for 3+ years.
     
  15. sandys

    sandys Well-Known Member

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    This is surely because data is also sent over sli/nvlink bridges right?
     
  16. Vault-Tec

    Vault-Tec Green Plastic Watering Can

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    Depending on IPC and how it plays with 2666mhz DDR4 this could be the first CPU I bought in over 2yrs.
     
  17. adidan

    adidan Guesswork is still work

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    I just did a little wee.
     
  18. edzieba

    edzieba Virtual Realist

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    More that it required two GPUs to start saturating the bus with CPU/RAM-to-card traffic before x8 started to noticeably impact performance.
     
  19. Calle2003

    Calle2003 New Member

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    Why is AMD Ryzen 7 3700X TDP 65W and AMD Ryzen 5 3600X TDP 95W, typo?
     
  20. Jeff Hine

    Jeff Hine Nothing special

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