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Lisa Su confirms Q3 launch for Ryzen, Epyc and NAVI

Discussion in 'Frontpage news' started by Hilbert Hagedoorn, May 16, 2019 at 8:44 AM.

  1. Hilbert Hagedoorn

    Hilbert Hagedoorn Don Vito Corleone Staff Member

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    Undying likes this.
  2. nizzen

    nizzen Master Guru

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    When it's in stock in stores, is what I want to know ;)
     
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  3. Undying

    Undying Ancient Guru

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    Lets hope AMD deliver with these cpu/gpu's.
     
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  4. cryohellinc

    cryohellinc Ancient Guru

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    My internal slav is happy at this news.
     
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  5. sverek

    sverek Ancient Guru

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    My internal vodka doesn't get it.
     
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  6. fantaskarsef

    fantaskarsef Ancient Guru

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    Please AMD: give us benchmarks so we know if we want it. And then, bring stuff to stores in abundant numbers, and you'll make a crapload of money.
     
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  7. ttnuagmada

    ttnuagmada Active Member

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    Hmm, I wonder what they mean by "all new GPU architecture". Everything they've shown until now has indicated Navi was just going to be another GCN iteration.
     
  8. Undying

    Undying Ancient Guru

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    Tipical overhyping the product with amd instead of being modest and pricing it right.
     
  9. Jedidude75

    Jedidude75 New Member

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    Probably a announcement of 3rd gen Ryzen at Computex and a launch in July like we saw with the Radeon VII launch.
     
  10. ttnuagmada

    ttnuagmada Active Member

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    "Poor Turing"
     
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  11. cryohellinc

    cryohellinc Ancient Guru

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    If in the end Navi lands in around the area of 2080 performance wise, and for a lesser price, that will be a successful product.
     
  12. Richard Nutman

    Richard Nutman Member

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    I'd be surprised if it didn't have enough changes to make it compete better. Simply a node shrunk Polaris or Vega wouldn't cut the mustard anymore.
     
  13. mohiuddin

    mohiuddin Master Guru

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    Plz be realistic. A radeon vii performs at rtx2080 level. It's been clearly indicated before that navi would be their mainstream gpus.
    Overhype is a bad thing, people get unnecessarily disappointed.
     
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  14. Clawedge

    Clawedge Ancient Guru

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    The eyes of the world turn towards AMD...
     
  15. ttnuagmada

    ttnuagmada Active Member

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    Radeon VII is sub-2080 performance as it currently stands, and they're at the limits of manageable TDP. I'd be pretty surprised to see anything faster than a Vega 64.
     

  16. alanm

    alanm Ancient Guru

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    That extra confirmation is well timed to remind buyers of alternatives to Intels security-plagued CPUs.
     
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  17. Fox2232

    Fox2232 Ancient Guru

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    Can you summarize (source slide, official post, video with AMD person talking, filled patent, ...) what AMD shown that made you believe Navi is GCN?
    Either way, it is new (and that's only thing you can call hyping "All New Architecture"). And if only 1/2 of things I did read in patents filled more than 2 years ago by AMD are used for Navi, we are for nice new start on GPU front.

    I think that Navi will be successful. What I do not know is early set of released chips and what we are getting later. But if we were to get small 40 "CU" chips, they would be around 50~70% faster than RX-580. As RX-580 is memory bandwidth starved which Navi should alleviate externally via GDDR6 and internally via scheduling changes and caches. That alone gets you 10% speed bump w/o increasing CU count or GPU clock. Then you are getting 11% more "CU"s with quite some changes. And 30~50% higher clock than RX-580. (RX-580 you see in benchmarks are stock ones @1340MHz, while Navi w/ 40 "CU" should be able to get 1800MHz+ while still being reasonably power efficient... rumors going to 2GHz may be ignored as that would put such GPU on very different place.)

    But I would like to have for start at least 52 "CU"s and more than double RX-580 performance. (I can dream.)

    Btw. if you referred to CPU "Ground breaking performance, features, power efficiency." Go back in time to January and their ES 8C/16T matching 9900K.
    (I'll not go into some of things I still consider as possible for Zen2 as they kind of feel like unreasonable expectations. But we'll see soon enough.)

    I'll just mention 3~4 threads per core and that possibility of 8C/24T and 8C/32T should not be off the table as well as 12C/24T and maybe even 16C/32T.
    (As this is definitely on table for Zen3.)
     
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  18. nevcairiel

    nevcairiel Master Guru

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    The slide says "Radeon VII + Navi", which seems to indicate to me that Radeon VII is not going to be replaced - which in conclusion means that Navi is going to be slower.
     
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  19. ttnuagmada

    ttnuagmada Active Member

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    Both of these slides are from this year; 2 things. They clearly go out of their way to designate their next GPU to be their "next gen" architecture, and they also specifically indicate that we won't see any real efficiency gains until that architecture. It's not in quotes either, so "next gen" is not the name.Efficiency gains are what AMD needs to be able to do much of anything at all at this point, and they indicate we shouldn't really expect much in that department.. They are literally TDP limited to 1080 Ti performance on a smaller node at this point. Navi definitely won't be that fast.

    I can't find the slide, but there has been one floating around for a couple of years that has Polaris/Vega/Navi listed before "Next Gen". Common sense would tell you that Navi is still clearly GCN.

    There is also this:

    https://www.pcgamesn.com/amd/navi-linux-confirms-gcn-design


    edit: One thing I will say though, which is entirely possible, is that Navi will actually be as big as Vega. I don't find this to be very likely given how expensive early 7nm is, but it's possible I suppose, and it would line up with rumors (save for the TDP).


    [​IMG]

    [​IMG]
     
    Last edited: May 16, 2019 at 11:22 AM
  20. nevcairiel

    nevcairiel Master Guru

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    It may be ground breaking, but possibly not quite as useful. There is only so much hardware every core has, and while a second thread can make use of scheduling deficits to use idle hardware quite well, there are extremely strong diminishing returns from adding more threads to individual cores - nevermind software limitations in even keeping more threads busy.

    In a consumer line, like Ryzen, I really don't see the added value for more SMT threads.
     

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