Sapphire Radeon RX Vega 64 Nitro+ Review

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Results: Metro, Middle-earth & The Witcher 3

Metro: Last Light Redux (DX11) @ 2560x1440

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Metro: Last Light Redux (DX11) @ 3840x2160

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Middle-earth: Shadow of War (DX11) @ 2560x1440

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Middle-earth: Shadow of War (DX11) @ 3840x2160

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The Witcher 3 (DX11) @ 2560x1440

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The Witcher 3 (DX11) @ 3840x2160

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Igor Wallossek
31 Comments Comment from the forums
  • docswag
    What mosfets is sapphire using for VDDC
    Reply
  • AgentLozen
    Even though Vega 64 is rough around the edges, I appreciate that you gave the Sapphire Nitro an Editor's Choice award for it's technical prowess.

    There is so much hardware out there with cut corners that it's nice to see something work so well.
    Reply
  • FormatC
    What mosfets is sapphire using for VDDC
    Plase take a look at page Two. You will get the full info, pictures included. ;)

    I wrote on page Two:
    ...This so-called doubling is achieved through a total of seven IR3598s located on the back of the board. Voltage conversion for the 14 circuits is handled by one IRF6811 (on the high side) and one IRF6894 (on the low-side) for each circuit. The latter also include the necessary Schottky diode.
    Reply
  • docswag
    20485887 said:
    What mosfets is sapphire using for VDDC
    Plase take a look at page Two. You will get the full info, pictures included. ;)

    I wrote on page Two:
    ...This so-called doubling is achieved through a total of seven IR3598s located on the back of the board. Voltage conversion for the 14 circuits is handled by one IRF6811 (on the high side) and one IRF6894 (on the low-side) for each circuit. The latter also include the necessary Schottky diode.

    My bad, I must have skimmed over that part. Thanks!
    Reply
  • Cryio
    So once the drivers will actually apply to 3rd party OEMs as well given the reference with slower clocks is sometimes faster, will basically make Vega64 universally and sometimes significantly faster than the 1080 and guaranteed substantially faster in DX12/Vulkan games.

    So ... with some underclocking and undervolting, this should perform on the level of the 1080 while being more future proof. Got it.

    Wonderful work AMD! Too bad miners skyrocketed the price.
    Reply
  • Sakkura
    Is this ever going to be sold to people, though?

    And will there be a Vega 56 version?
    Reply
  • Wisecracker
    Thanks for the bench work. Interesting boost in minimums in some titles considering struggles with 'optimizations'

    What's the verdict on the previously reported 'elevation difference' between the memory stacks and processor?
    Reply
  • FormatC
    This is randomly the molded version. That means, no difference. :)

    Powercolor got unmolded and the result is well-known. But I also know from others, that Sapphire is using also both packages. The 3rd package version is Vega56 only.
    Reply
  • Cryio
    While also being more efficient or as efficient as the 1080 I might add.
    Reply
  • FormatC
    It depends at your preferences, what you need in your rig. Only the price is currently a big con. Too bad.
    Reply