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Thread: Cannot OC a GTX550TI, not even a bit. Why?

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    Default Cannot OC a GTX550TI, not even a bit. Why?

    Disclaimer: Everything discussed here in this post is out of pure curiosity and educational purposes. If you wish to discuss the benefits of overclocking a GTX550 TI in 2016 instead of buying a new card, please skip that thought.


    In my quest of staying 5 years behind in technology, I have obtained an MSI N550GTX-TI Cyclone II OC (blah blah blah...) from UCC after following @VANGUARD bro's post. Yesterday I tried to OC it, to see how much can I go, just out of curiosity. But I cannot OC it even a little bit. If I increase the core clock just 5 MHz to 955 MHz (from it's factory OC 950 MHz) it starts racking up error's on OCCT's GPU test with Error Check, and display driver crashes within 5 minutes in any game. The more interesting thing is even if I increase the core voltage (tried up to max 1.15v from it's stock 1.062v) it still behaves the same.

    Is there something that I'm doing wrong here? A quick google shows me a lot of people going well above 1000MHz with this card. Even if the chip I got is the worst cherry picked one, if it is able to run stable at 950MHz at 1.062v it should OC at least 5 MHz with a 88mv voltage boost, right?

  2. #2

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    http://www.tomshardware.com/forum/31...3-overclocking check the post by jitpublisher it might help you

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    Quote Originally Posted by Set View Post
    http://www.tomshardware.com/forum/31...3-overclocking check the post by jitpublisher it might help you
    I did that exactly the same. But I fail at the first step, increasing the core clocks. He said to increase it in 20-25 MHz steps, mine fails at just 5 MHz. But I am actually using Afterburner, not RivaTuner. Latest version of afterburner has core and shader clocks locked together by default. I'll give RivaTuner a shot later.

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    Default

    Quote Originally Posted by Swapnil View Post
    I did that exactly the same. But I fail at the first step, increasing the core clocks. He said to increase it in 20-25 MHz steps, mine fails at just 5 MHz. But I am actually using Afterburner, not RivaTuner. Latest version of afterburner has core and shader clocks locked together by default. I'll give RivaTuner a shot later.
    Afterburner is re-skinned and some feature-packed RivaTuner. Every popular overclocking tool is if I recall.

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    Quote Originally Posted by Swapnil View Post
    Disclaimer: Everything discussed here in this post is out of pure curiosity and educational purposes. If you wish to discuss the benefits of overclocking a GTX550 TI in 2016 instead of buying a new card, please skip that thought.


    In my quest of staying 5 years behind in technology, I have obtained an MSI N550GTX-TI Cyclone II OC (blah blah blah...) from UCC after following @VANGUARD bro's post. Yesterday I tried to OC it, to see how much can I go, just out of curiosity. But I cannot OC it even a little bit. If I increase the core clock just 5 MHz to 955 MHz (from it's factory OC 950 MHz) it starts racking up error's on OCCT's GPU test with Error Check, and display driver crashes within 5 minutes in any game. The more interesting thing is even if I increase the core voltage (tried up to max 1.15v from it's stock 1.062v) it still behaves the same.

    Is there something that I'm doing wrong here? A quick google shows me a lot of people going well above 1000MHz with this card. Even if the chip I got is the worst cherry picked one, if it is able to run stable at 950MHz at 1.062v it should OC at least 5 MHz with a 88mv voltage boost, right?
    If you ruin the card while experimenting, you wont get any warranty. It only had checking warranty. Keep that in mind. Happy Overclocking!

  6. #6
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    Quote Originally Posted by VANGUARD View Post
    If you ruin the card while experimenting, you wont get any warranty. It only had checking warranty. Keep that in mind. Happy Overclocking!
    I know. I know.

  7. #7
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    I have figured it out. This card craps itself as soon as it's temperature crosses 79° C. That's why I thought the OCs are unstable. Now I realized it does that in stock clocks too, and also when underclocked. If the temps are kept in check it goes up to 970 MHz with stock voltage, higher with a bit of voltage bump.

    Now just one mystery, when the OC fails, I never saw any artifact or discoloration, nothing, just the OCCT crashes and a message pops up about display driver crashed and recovered. I wonder if some other version of the driver would be more stable. But I'll rest it at that, and go back to working on something that will actually pay money.

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