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Navi RDNA Owners Thread, Tests, Mods, BIOS & Tweaks !

Discussion in 'Videocards - AMD Radeon' started by OnnA, Jun 11, 2019.

  1. OnnA

    OnnA Ancient Guru

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    Navi RDNA Owners Thread

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    Last edited: Jun 11, 2019
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  2. OnnA

    OnnA Ancient Guru

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    Last edited: Jun 16, 2019 at 11:58 PM
  3. OnnA

    OnnA Ancient Guru

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    reserved# 2
     
  4. Astyanax

    Astyanax Ancient Guru

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    pcgameshardware.de can not be hot linked.
     

  5. Fox2232

    Fox2232 Ancient Guru

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    Reserving for my thoughts on 5700 XT.
    - 4x Geometry Engines
    - 4x ACEs
    - 5x Dual-CU per ACE (20 Dual-CUs)
    - 4x Schedulers per Dual-CU (80 Schedulers)
    - 8x TMUs per Dual-CU (160 TMUs)
    - 4x Scallar Procs per Dual-CU (80 sALUs)
    - 64x ROPs

    - Geometry Engines ratio 1x
    - TMUs ratio 0.625x
    - Schedulers ratio 1.25x (1 instruction per clock instead of GCN's 1 instruction per 4 clocks)
    - sALUs ratio 1.25x
    - ROPs ratio 1x

    Thoughts:
    - I have hard time figuring out what is going to fall this. (Is it really just 10.3B transistor GPU?)
    - Change in schedulers and in move from SIMD16 to SIMD32 enables up to 2x utilization of "shaders" => 2560SP can deliver results of Vega(GCN) with up to 5120SP at same clock for usual gaming workloads.
    - Change in scheduling will enable much higher fps in older (poorly threaded/coded) games
    - Same changes will enable much higher utilization of everything inside CU in newer games
    - Above is reason why so high clock range => TDP has to be kept in check. Modern games will utilize everything heavily, while older games will get to benefit from higher clock.
     
    Last edited: Jun 12, 2019 at 9:23 AM
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  6. The_Amazing_X

    The_Amazing_X Member Guru

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    Just to add, bios are locked same style as vega was.
     
  7. Loophole35

    Loophole35 Ancient Guru

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    Very intrigued to see these in the wild. AMD's slides basically have the XT trading blows with the 1080ti at a theoretically lower power draw. IF this holds true then this card is a win for AMD even though Nvidia has faster cards that are just as good on power draw or better (but cost a frack ton more).
     
  8. Skinner

    Skinner Master Guru

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    No word about crossfire anymore, guess its dead?
     
  9. Mufflore

    Mufflore Ancient Guru

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    Cannot use with DX12.
     
  10. OnnA

    OnnA Ancient Guru

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    Fail? (IMhO Yes)
    379-500€ Mid range? -> Really? o_O:eek::(
    It's Polaris replacement BTW....

    UPD.
    Should be 299-349€
    and L.Su Ed. at 399€

     
    Last edited: Jun 13, 2019 at 1:08 PM
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  11. Alessio1989

    Alessio1989 Maha Guru

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    LDA are supported in DirectX 12, but they need to manually handled by developers. Enabling crossfire from the Radeon Settings or SLI from the Geforce control panel will set multiple compatible adapter (ie: graphics card that can be set in Crossfire or SLI mode) as a single linked display adapter (LDA) with multiple nodes (1 per GPU). DX12 also allows also developers to manage multiple LDAs (as it does with multiple single graphics card of different capabilities and manufacturer).. DX12 also expose the sharing capabilities of different LDAs hardware/driver.
    So the main difference is you cannot enable Crossfire/SLI and magically see performance improvement via driver hacks like it was in many DX11/10/9 games if the game itself does not support them.
     
    Last edited: Jun 13, 2019 at 8:38 PM
  12. Mufflore

    Mufflore Ancient Guru

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    Yes, that was my point with DX12, multi GPU is "only" supported by the game itself, not the driver (plus in game tweaks).
    DX12 mGPU cannot be enabled with hacks on a none compliant game.
    SLI/Crossfire cannot be used at all with DX12 despite the settings wisely being utilised for mGPU.
     
  13. Skinner

    Skinner Master Guru

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    That's why I'm saying CF, so for dx9-11 games, not expliciet Multi adapter as in dx12.
     
  14. user1

    user1 Maha Guru

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    sort of, dx9-11 crossfire does work on the radeon VII, despite it not being supported, though wouldn't expect much from navi, if the new RDNA is truly divergent from gcn( like having a new ISA that is not compatible) , the software implementation of crossfire would likely need to be reworked (specfically for modes like SFR ,).
     
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  15. The_Amazing_X

    The_Amazing_X Member Guru

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    I wish crossfire were a thing in dx12 I always had crossfire. Atm I just go with one card.

    Strange brigade you can use crossfire and it works really well, it has dx12 and vulkan.
     

  16. Skinner

    Skinner Master Guru

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    Are you sure? IN that case I want to try two Vega VII's for its 16 GB Ram and 5K res.
     
  17. user1

    user1 Maha Guru

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    working as of the launch driver, dunno if that has changed since then
     
  18. Skinner

    Skinner Master Guru

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    ^ I'm afraid that's only explicit multi adapter (developer enabled AFR) for dx12. Only for a handfull of titles. But it's intresting its showing crossfire in Wattman. To bad he didn't test dx9-11 games.
     
  19. user1

    user1 Maha Guru

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    Ah ic my mistake
    edit:upon second look, he does try apex legends, it doesnt work, but that doesnt mean no games will work, as apex legends didnt have a crossfire profile at the time, all the typical crossfire options are available in radeon settings

    so I guess this will remain a mystery until someone trys it again with a proper crossfire compatible game
     
    Last edited: Jun 16, 2019 at 8:29 PM
  20. LocoDiceGR

    LocoDiceGR Ancient Guru

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    Yeah, thats probably the plan.
     
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