Nvidia GTX 660 - Increasing AA no effect on frame rate? :?

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Nvidia GTX 660 - Increasing AA no effect on frame rate? :?

Postby Leprekaun » Mon Dec 03, 2012 1:48 pm

Hi all. Something that's puzzling me is the AA setting on my Nvidia GTX 660. With my older ATI GPU, increasing AA had a dramatic impact on frame rate but running the ingame benchmark of DiRT 3 with 0 AA and 8x QCSAA made no difference at all in frame rate which baffles me. I can definitely see a difference in image quality so the AA is working. But shouldn't I get much lower frame rates for using a higher AA setting? Or do Nvidia cards work differently?
OS: Windows 7 Ultimate SP1 x64
MB: ASUS Z87-A LGA 1150
CPU: Intel Core i7-4770k (Haswell) (@3.5Ghz)
GPU: 2GB Gigabyte Nvidia GTX 670 (Windforce 3x)
Sound: Creative Fatal1ty Recon3D Professional
RAM: 16GB Corsair XMS3 CMX8GX3M2A1600C9 (@1333Mhz, 9-9-9-24, 1.65v)
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Re: Nvidia GTX 660 - Increasing AA no effect on frame rate? :?

Postby Sauron_Daz » Wed Dec 05, 2012 7:15 am

Leprekaun wrote:Hi all. Something that's puzzling me is the AA setting on my Nvidia GTX 660. With my older ATI GPU, increasing AA had a dramatic impact on frame rate but running the ingame benchmark of DiRT 3 with 0 AA and 8x QCSAA made no difference at all in frame rate which baffles me. I can definitely see a difference in image quality so the AA is working. But shouldn't I get much lower frame rates for using a higher AA setting? Or do Nvidia cards work differently?


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