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SMAA vs FXAA vs TXAA

Kindly enlighten me what are the difference between these 3 AA methods? What are the pros and cons of these?
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  1. Best answer
    MLAA : Post processing AA
    FXAA : Post processing AA, fatser than MLAA, simillar quality
    TAA : temporal - time axis AA (others are all space axis)

    SMAA 1x : improved MLAA, better quality, faster speed, slightly slower than FXAA
    SMAA S2x : SMAA 1x + MSAA 2x
    SMAA T2x : SMAA 1x + TAA 2x
    SMAA 4x : SMAA 1x + MSAA 2x + TAA 2x

    TXAA 2x : Blurring Filter + MSAA 2x + TAA 2x
    TXAA 4x : Blurring Filter + MSAA 4x + TAA 2x


    SMAA 1x : slightly blurring
    SMAA 4x : slightly blurring, solves subpixel problem
    FXAA : blurring
    TXAA : heavy blurring, solves subpixel problem
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