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

Postby clone » Mon Dec 03, 2012 7:05 pm

you had an old ATI card and you are comparing it to a brand new Nvidia card running a reasonably new game?

both AMD (formerly ATI) and Nvidia have introduced newer more efficient gfx cards that handle AA far differently (less resource intensive), especially in this case because Dirt 3 is a year old... outdated by today's standards and easily managed by lower mid range cards today from both AMD (formerly ATI) or Nvidia..... in this case it's the comparable AMD card (formerly ATI) that is superior to the GTX 660 because Dirt 3 was optimized for newer AMD (formerly ATI) hardware..... operative words being "newer hardware".

todays hardware is so far ahead of Dirt 3 that you'd have to render the game at "Ultra quality".... maximum everything at 2560 X 1440 resolution just to get it to show that it's working.
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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?


Running Dirt at what resolution?
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Re: Nvidia GTX 660 - Increasing AA no effect on frame rate? :?

Postby clone » Thu Dec 06, 2012 7:53 am

I was wondering that as well but it really doesn't matter given how easily todays cards handle the game and regardless the real question is what card was being used previously.
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