AMD: Navi Speculation, Rumours and Discussion [2017-2018]

Discussion in 'Architecture and Products' started by Jawed, Mar 23, 2016.

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  1. Azhrei

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  2. DmitryKo

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    7nm fabs would be busy producing Navi APUs for the PlayStation5 release in early 2020.

    Also they probably have a large supply of 14 nm Vega because they planned to ramp up production before the recent bitcoin crash - if Navi is indeed a mid-range replacement for Polaris, it should be approaching Vega performance-wise but without the complexities of HBM2, and this would stand in the way of sales for both 7 nm / 14 nm versions of Vega. Thus we have a 12 nm version of Polaris, since it sits well below Vega.
     
    #742 DmitryKo, Oct 22, 2018
    Last edited: Oct 22, 2018
  3. BoMbY

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    There isn't even any PS5 contract yet, according to AMD.
     
  4. Kaotik

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    Wait what? When has AMD ever said anything like that?
    If anything, Lisa Su said as much as you can say to confirm something without actually confirming anything
    https://www.cnbc.com/video/2018/09/...-gaming-partnerships-with-sony-microsoft.html
     
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  5. yuri

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    This was commented on the consoles last month:
    IMO, this wording doesn't sound like describing a secured deal.
     
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  6. Azhrei

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    Sony and Microsoft don't really have a choice unless they want to go back to a seperate CPU and GPU setup again... and back with a company they've both had a falling out with. All these rumours about Navi being in PS5 and of course they're both well into the development of their next systems by now. So short of having any of the three giving us outright details of what they're working with, we can assume for the reasons above and so many more that they're working with AMD. At this point late in the game, some kind of deal would be in place.
     
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  7. yuri

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    Well, "all those rumors" is just a singular one being repeated, re-posted, click-baited and WCCFed... If you are fair to rumors, one might pull out the one about PS5 not being an APU anymore.

    Sony can get Intel + nV. Why not? Intel is not cheap. So probably AMD + nV. What combo would be great from perf/W POV - Zen x86 ~3GHz and a nV ~1070@7nm.
     
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  8. Love_In_Rio

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    #748 Love_In_Rio, Nov 10, 2018
    Last edited: Nov 10, 2018
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  9. Rootax

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    Well, on paper the ps4pro is more advanced that the One X, no, with some Vega in there ? But MS have raw power on their side. I guess a similar situation, Sony having some "custom" functions here and there, but in the end MS having a kind of similar more "generic" gpu, but in the same ballpark in the end.
     
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  10. manux

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    MS might be planning much later launch window or possibly have a deal with intel. Those who know are not talking apparently. Or perhaps ms works with amd but ms specific team at amd is better at not violating nda's.
     
  11. Love_In_Rio

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    Would be interesting GCN at maximun speed versus Super SIMD if finally these rumors are true.
     
  12. Kaotik

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    Let's assume Navi 12 is released H1/19. There's no chance in hell AMD is releasing gaming high-end Navi in H2/20 - H1/21, that's just too big of a gap for same architecture. High end in H2/20 - H1/21 could happen if they do another Polaris-Vega combination, but not with Navi-Navi. I'm also quite sure Navi will still be GCN in every sense of it (I don't see 64CU as GCN-limitation, just the current implementations limitation since AMD has said they could change it (if they decide to build frontend built for more than 4 Shader Engines and Shader Engines ready for more than 16 CUs each))
     
  13. 3dilettante

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    From that outlet alone, we would need to decide which month's story to believe with regards to the architecture. I recall that the opposite was stated in September.
    GCN itself is an architecture that defines the behaviors and model presented externally, while microarchitecture is concerned with the internal implementation of the architecture. Changing the microarchitecture doesn't necessarily mean the architecture changed.
     
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  14. yuri

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    So still having a Navi for 2020-2021 when David Wang himself presented a "Next-Gen" successor to Navi scheduled for 2020 four days ago?

    You gotta love the WCCF!
     
  15. Kaotik

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    I'd add to that everything says that the "next-gen" presented will be the first possible "non-GCN" architecture, if Navi would be "non-GCN" the roadmaps would have been yelling it all along instead of just touting "nexgen memory" (typo intended)
     
  16. Alexko

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    Where? I must have missed that.
     
  17. Pinstripe

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    "Next-Gen" could mean anything. Could just mean a Navi respin on 7nm+ node.
     
  18. Kaotik

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    For example here: https://www.pcworld.com/article/327...early-gpu-releases-to-make-pcs-fun-again.html

    upload_2018-11-11_5-8-1.png

    edit: and they haven't been shy about calling 7nm Vega a Vega, why would they call "7nm+ nexrtgen" that instead of "7nm+ navi" if it wasn't something else [next gen]
     
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  19. yuri

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    There was another AMD representative confirming a "new architecture Next-gen" for 2020 at Next Horizon.
     
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  20. Love_In_Rio

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    If they already know post Navi 1 year later will be much faster I cant see or understand both console makers not waiting for it.That or Navi is a complete Sony bespoke chip.If Sony is noy involved i cant either understand the business logic for AMD in launching it for a year, except it is only Vega fixed...
     
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