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Why do I get less FPS with AA off?

Discussion in Hardware Hangout started by Polynation, Jan 4, 2013

  1. Mar 29, 2012
    Basicaly with anti-aliasing turned on I get a smooth 60 fps, and if I turn it off it goes down to 30 fps. Is this normal, or am I special?
  2. Nov 11, 2011
    It should be the other way around. Try turning off V-Sync and post back.
  3. Apr 9, 2007
    Which game? Is AA FXAA?
  4. Jun 11, 2012
    I'm going to go ahead and say CS:S
  5. Apr 9, 2012
    It might be that you have some kind of Anti-Aliasing in your GPU monitoring program (for AMD it's CCC) that is set to a certain setting (like x24 edge filtering SSAA or something) by accident, and when you turn it off in-game it'll switch over to the AA setting of your GPU program.

    Other than that, I cannot give any other common sensed answer.

    So try putting it OFF or set it so that it always keeps the settings of the running application, in this case the game your playing, which I suppose is CS:S
  6. Mar 29, 2012
    I turned off V-sync and my fps averaged around 170 with AA on.
    With AA off it now averages at 200 fps.
    Post Merged, Jan 5, 2013
    I have a GTX 660 with 2048mb of vram if that can helps
  7. May 14, 2011
    With AA off your fps should jump up. AA basically makes edges look straight which means for each frame every single edge needs to be straightened out.

    So more processing per frame for your gpu so it can spit out less frames.


    You should limit your fps to 2x the frame rate of your screen for best performance. type in "fps_max 121" into console. You will have a better experience. (although you will probably not be able to tell the difference unless you really look into it.)

    You should also probably say what map you are getting 200fps at because that can be quite low depending on the map. :O
  8. Mar 29, 2012
    the 200 fps was on voodoo with V-sync and AA off
  9. May 14, 2011
    That still doesn't explain much. If you want a proper test record a demo and play it back. Then you can run a benchmark and compare.
  10. Feb 21, 2007
    maybe use the "video stress test" option on the CSS main screen? this will give u some consistency when testing with diff settings.
  11. May 14, 2011
    That always sticks at 299. It was a good test at the time when the game came out.
  12. Jan 27, 2011
    No it doesnt....make ur fps max higher than 299 before joining the stress test server. Ive gotten up to around 1000 fps when i tested my shit
  13. May 14, 2011
    Ive never had setting the "fps_max >300" work.
  14. Nov 11, 2011
    I can hit well above a 1000fps. What are you talking about? And fps_max command works...
    Post Merged, Jan 5, 2013
    That's exactly what it should do... what else do you want?
  15. May 14, 2011
    Can you legitly hit >300 fps on a server? Cause I can get a super high fps as well....

  16. Nov 11, 2011
    Has a lot to do with tick rates on the server.
  17. May 14, 2011
    Can you take a screenshot on a server with fps >300 ?

  18. Nov 11, 2011
    You clearly just don't get it. I'll remove myself from the conversation. :wilt:
  19. Jan 27, 2011
    • Agree Agree x 1
    • May 14, 2011
      What don't I get? You clearly said you can get over 300 fps.

      You said this: "I can hit well above a 1000fps. What are you talking about? And fps_max command works..."

      Where can you get over 1000 fps?