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  • refresh rate and speed

    How much does a higher or lower refresh rate effect the video cards performance, if at all?
    P4b@2.7, AOpen ax4spe max II, 4X Parhelia 128 with Zalman zm80c and fan -or- ATI Radeon X800GTO, 1024mb.

  • #2
    There are a couple factors here, but...

    A little.

    Unless, of course, the video card is so fast that it can render more FPS than the refresh rate, in which case it can monkey with things a bit.

    But if you have a normal human-level card like the rest of us, the difference between 85hz and 120hz is minimal.

    - Gurm
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    • #3
      Originally posted by Gurm
      There are a couple factors here, but...

      A little.

      Unless, of course, the video card is so fast that it can render more FPS than the refresh rate, in which case it can monkey with things a bit.

      But if you have a normal human-level card like the rest of us, the difference between 85hz and 120hz is minimal.

      - Gurm
      My monitor supports 100, but I run at 85 because I see no difference. At 75 though, I see flicker. Being as I am attempting to take full advantage of my Parhelia's IQ I thought I should max out the refresh.

      Thanks for the quick reply!
      P4b@2.7, AOpen ax4spe max II, 4X Parhelia 128 with Zalman zm80c and fan -or- ATI Radeon X800GTO, 1024mb.

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      • #4
        Hey, if 85Hz works for you, keep it there. Faster refresh rates just increase monitor wear'n'tear a bit.
        Gigabyte P35-DS3L with a Q6600, 2GB Kingston HyperX (after *3* bad pairs of Crucial Ballistix 1066), Galaxy 8800GT 512MB, SB X-Fi, some drives, and a Dell 2005fpw. Running WinXP.

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        • #5
          Guess it's all about v-sync and how fast your card is.
          When you have v-sync on, it's supposed to be the maximum of fps your screen displays.
          With v-sync off it's up to as much frames as your card can deliver, yet you need a high enough refresh rate (85, 100 Hz) to eliminate tearing (parts of the screen moving ahead of others when you turn).

          Benchmarks are generally run with v-sync off, for the obvious reason of not limiting the maximum framerate of the videocard by the monitor's refresh rate. In games, where you don't really see a difference if you have a maximum of 85 or 100 fps on screen instead of 100-200 fps, it's more pleasing to the eye to run with v-sync on.

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          • #6
            Originally posted by Admiral
            Guess it's all about v-sync and how fast your card is.
            When you have v-sync on, it's supposed to be the maximum of fps your screen displays.
            With v-sync off it's up to as much frames as your card can deliver, yet you need a high enough refresh rate (85, 100 Hz) to eliminate tearing (parts of the screen moving ahead of others when you turn).

            Benchmarks are generally run with v-sync off, for the obvious reason of not limiting the maximum framerate of the videocard by the monitor's refresh rate. In games, where you don't really see a difference if you have a maximum of 85 or 100 fps on screen instead of 100-200 fps, it's more pleasing to the eye to run with v-sync on.
            I've had bad luck with V-sync. If it's on it adds choppiness to games, so I leave it off. I find this to be the case on my Parhelia and ATI 9700, but I only refer to gaming, haven't tried with work related programs. But I will check it out now that you mention it.

            Thanks!
            P4b@2.7, AOpen ax4spe max II, 4X Parhelia 128 with Zalman zm80c and fan -or- ATI Radeon X800GTO, 1024mb.

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            • #7
              If it's on it adds choppiness to games,....
              I've experienced that with very few games, NOLF 2 being one of them.

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              • #8
                Originally posted by Admiral
                I've experienced that with very few games, NOLF 2 being one of them.
                NFS Underground and NHL 2004 here...
                P4b@2.7, AOpen ax4spe max II, 4X Parhelia 128 with Zalman zm80c and fan -or- ATI Radeon X800GTO, 1024mb.

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