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Weird experience with GTX 275

Discussion in 'Nvidia' started by johns, Dec 29, 2009.

  1. johns

    johns Guest

    I posted about this on the RPG game group if you want to
    see more detail:

    I replaced a blown 8800 GT with a new GTX 275 from EVGA.
    I was surprised to see that the 275 had a much lower
    frame rate than the 8800 in games like Gothic3 and Risen.
    I had read tests on the 275, and it was clearly the superior
    card. I tried dialing the performance settings back in both
    games, but the fps stayed low. Then I noted that the driver
    for the 275 had lots of adjustments that might "tune" the
    card to my system. So, I ran the 18 minute version of
    NTUNE included in the driver. The result was amazing.
    Now my 275 has a tremendous frame rate and both
    Gothic3 and Risen run smooth as glass ??????

    Note: I did not overclock the 275. I just tuned it.

    johns, Dec 29, 2009
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  2. johns

    Augustus Guest

    When you initially removed the 8800GT and put the new card in, did you d/l
    and install new drivers from nVidia? The only way a GTX 275 card will run
    slower than an 8800GT is if there is something seriously wrong with the
    installed driver.
    Augustus, Dec 29, 2009
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  3. johns

    deimos Guest

    Last I knew, GT200 cards downclock themselves automatically if
    sufficient amps aren't supplied over the +12v. I don't know why the
    driver wouldn't warn the OP about this, but it should show up in any
    overclocking or tweaking utilitiy where you can see your actual clock
    deimos, Dec 29, 2009
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