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  • Malibutomi

    nagyúr

    válasz #06658560 #43 üzenetére

    Mert teljesen uj tervezesu a kartya?
    Az NV kartyak hogy kepesek mukodni sokkal kisebb savszelessggel mint az AMD-k? Ugy hogy teljesen mas fwelepitesukek. Fury 512GB/s - GTX1080 320GB/s...gyorsabb GPU megis eleg neki a kevesebb savszelesseg.

    A Vega sem Fiji, hanem egy teljesen uj GPU, vagyis ha jo iranyba mentek vele es elegge csokkentik a savszelesseg igenyt, akkor eleg lehet a kevesebb is.

    Erre irtam a peldat. ott a Polaris, fele akkora busszal, joval kisebb savszelesseggel hozza azt amit a Hawaii 512 bites busszal -> csokkent a savszeligeny. A Polarisnal a Vega meg joval fejlettebb ezen a teren, mivel sokat dolgoztak rajta ebbe az iranyba.

    Peldaul:

    More efficient shading with the draw-stream binning rasterizer
    AMD thinks that this rasterizer will help performance in situations where the graphics memory (or high-bandwidth cache) becomes a bottleneck, and it'll also save power even when the path to memory isn't saturated.
    By minimizing data movement in these ways, AMD says the DSBR is its next thrust at reducing memory bandwidth requirements. It's the latest in a series of solutions to the problem of memory-bandwidth efficiency that AMD has been working on across many generations of its products.

    The goal of every rasterizer is to cull pixels invisible to the scene so you are only shading pixels required at display time. Vega’s new DSBR will be able to do this in a tile-based manner, a rasterization technique that has traditionally been limited to mobile SoCs like Qualcomm’s Adreno but that even NVIDIA’s Maxwell architecture implemented for desktop users.

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