Rumor: AMD Ryzen 6000 Rembrandt APUs Already In Mass Production

Discussion in 'Frontpage news' started by Hilbert Hagedoorn, Sep 7, 2021.

  1. Hilbert Hagedoorn

    Hilbert Hagedoorn Don Vito Corleone Staff Member

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  2. Maddness

    Maddness Ancient Guru

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    These might be a really nice gaming option at 1080p.
     
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  3. Undying

    Undying Ancient Guru

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    Ah, rdna2 igpus. AMD finally takes Intel threat seriously.
     
  4. Horus-Anhur

    Horus-Anhur Maha Guru

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    It's good to see RDNA2 finally being used in APUs.
    But I wonder what they are going to do about memory bandwidth.
    If they manage to ad 32MB of Infinity cache, it might just give it a huge boost.
     

  5. DonMigs85

    DonMigs85 Active Member

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    yeah glad to finally see this. Vega is just getting too old plus I worry about long-term driver support for it
     
  6. Neo Cyrus

    Neo Cyrus Ancient Guru

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    So the APUs are labeled Zen 3+... so is that an actual normal update to the architecture rather than just slapping on some more cache like Zen 3D? If so why would they do that only for the APU parts?

    Either way it's looking like the Zen 3D chips are the last lineup that will include a high-end chip for AM4. So I guess I'm stuck going for that, which should be fine considering it should be more than good enough to ensure the CPU is not a bottleneck at 140 fps for a while.
     
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  7. Venix

    Venix Ancient Guru

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    so they call it rembrandt .....after all the rebrands amd did over the years that one that is not a rebrand ... they call it rembrandt ? :p other than that waiting to see how these puppies perform !
     
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  8. Agonist

    Agonist Ancient Guru

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    A 12 thread 6000 apu would be nice for my HTPC.
     
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  9. Netherwind

    Netherwind Ancient Guru

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    What does "mass production" mean by todays standards with all the component shortages and cargo freight problems.
     
  10. JamesSneed

    JamesSneed Maha Guru

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    Same thing it always has. AMD chips are in pretty good supply the last couple months.
     
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  11. Neo Cyrus

    Neo Cyrus Ancient Guru

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    The 6K series is coming and it's still difficult to find a 5900X in stock. I'm going to go ahead say we have different definitions of "pretty good".
     
  12. CPC_RedDawn

    CPC_RedDawn Ancient Guru

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    Now these should be amazing and a great way to use that 3D stacked cache for increased CPU and more importantly iGPU bandwidth.

    4core 8thread 65W TDP @ 4.2GHz boost w/ 8MB L3 cache / 16MB 3D cache 10CU (10x64= 640 shaders) 1GHz GPU clock @ $249.99/299.99
    6core 12thread 65W TDP @ 4.4GHz boost w/ 16MB L3 cache / 32MB 3D cache 14CU (14x64=896 shaders) 1.2GHz GPU clock @ $299.99/349.99
    8core 16thread 95W TDP @ 4.6GHz boost w/ 32MB L3 cache / 64MB 3D cache 16CU (16x64=1024 shaders) 1.5GHz GPU clock @ $349.99/399.99

    My predictions tell me if I am crazy lol :p Could be pie in the sky though more than likely it is lol :p. With new tech like 3d cache I think pricing will be a massive concern here. Is the 3d cache a replacement or L3 or does it act more like a L4 cache? Is the 3D cache going to be split? or will it be unified and all avaliable to either CPU or iGPU?

    Will these support AM4? B4XX series? or locked to B5XX series? Are these going to be AM5 only? Are they going to be at retail or OEM only?
     
  13. illrigger

    illrigger Master Guru

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    Unlike Intel (who use a single monolithic die and laser off sections of cache and cores to create SKUs) Ryzen CPU cache size is tied directly to the number of CCDs on the CPU. This was why gaming performance of the Ryzen 5000 chips showed a smaller delta in performance from the 5600 to the 5900 than the Core i5 10xxx to i9 10xxx chips did - game performance is much more cache dependent than it is core dependent.

    Since their APUs (at least thus far) have had the GPU take the place of one of the CCDs, all of the APU SKUs for Ryzen 6000 should have the same 96MB (32 on-die + 64 stacked) cache. Non-APU models will have either 96 or 192 depending on the number of CCDs.

    My guess is that they will lock the R6000 chips into the 5xx series, mostly because the 4xx ones still supporting the Ryzen 1000 series chips doesn't leave enough room on the BIOS ROM to do it. They have already had to drop some CPUs on the 4xx chipsets in order to do the R5000 chips, so either they will have to drop even more to get them to work or just leave them behind.
     
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  14. tunejunky

    tunejunky Ancient Guru

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    5900x is a unicorn, but there are plenty of 5950's

    actually, APU production is not an issue. this is not a gpu with multiple vendors before you even add silicon.
    this has only one pit stop from fabrication before shipping/distribution and that's packaging. and the number of wafers being fabbed is way up.
    Europe is always last as they're the furthest, while the priority is North America.

    idk about this rumor, but the timelines are about right.
     
  15. Fediuld

    Fediuld Master Guru

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    AMD need to put an DDR5 APU with the 52CU APU used in Xbox. It will mop the floor on both CPU & GPU segments.
    And we see that Xbox APU already in PCs but with the IGP cut off.

    I wonder some times if someone managed to put a proper Xbox APU on that PC
     
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  16. icedman

    icedman Maha Guru

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  17. Fediuld

    Fediuld Master Guru

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    Why? The PC using the Xbox APU has soldered GDDR6, but nothing stops AMD to make an APU with 52CU RDNA2 even 40CU (PS5). Already we are at 12CU RDNA2 with those 6000 series APU

    Also DDR5 has less latency than GDDR6

    Do not forget Xbox/PS5 APU BOM is pretty low and AMD makes profit on each chip
     
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  18. tunejunky

    tunejunky Ancient Guru

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    yes, but latency is not as important in DDR as next gen is always higher but at higher frequency as well which more than compensates.
    but i think you point was well made because DDR5 is just going to be less expensive with easier supply i
     
  19. Crazy Serb

    Crazy Serb Member Guru

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    Considering how much effort of 0 driver team employees was invested into integrated vega fixes I am not sure if there would be any negative difference between "supporting" and not supporting it.
     

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