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Thread: HD 4770 Previews/Reviews

  1. 05-26-2009, 02:45 PM #426
    Mats
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    Quote Originally Posted by W1zzard View Post
    as i mentioned before, due to a hardware limitation the screen will flicker when changing memory clock.
    Yeah, that's what I've read about the 4770 and the 4870 too when it comes to manually changing the clock. But changing the BIOS to the same lower clocks makes it unstable in at least some situations.

    Have you tried to permanently lower the GDDR5 idle clock speed, or do you have any link to someone doing it? I still haven't seen it.
    Last edited by Mats; 05-26-2009 at 02:49 PM.
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  2. 05-29-2009, 10:18 AM #427
    joshua7
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    Quote Originally Posted by Mats View Post
    joshua7: Get one from Germany.

    ninong: I don't think so. The high power consumption is because of the GDDR5 that neither underclocks not undervolts, and partly because of the new 40 nm process.
    Thanks, but I am quite happy with my Sapphire Toxic. But thanks, anyways.
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  3. 06-11-2009, 03:34 PM #428
    onethreehill
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    ASUS Extreme AH4770 Formula Review



    Today we have a new and exciting budget product from ASUS, called the Extreme AH4770 Formula, which as the name suggests is a Radeon HD 4770 graphics card. However not just any Radeon HD 4770, as a lot of work has gone into upgrading this particular version with better cooling and more durable components…

    http://www.legionhardware.com/document.php?id=838
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  4. 06-11-2009, 07:51 PM #429
    Clint
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    Quote Originally Posted by onethreehill View Post


    Today we have a new and exciting budget product from ASUS, called the Extreme AH4770 Formula, which as the name suggests is a Radeon HD 4770 graphics card. However not just any Radeon HD 4770, as a lot of work has gone into upgrading this particular version with better cooling and more durable components…

    http://www.legionhardware.com/document.php?id=838
    Decent review. The card looks crap though, what were they thinking?

    As for OC it as many HD 4770 sucks when it comes to memory, only 900MHz.

    It took me four purchases before I got my card that delivers good memoryperformance, 1200MHz. It's almost as they deliberately are putting half-defective chips on these cards.
    Last edited by Clint; 06-12-2009 at 12:07 AM.
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  5. 06-11-2009, 10:16 PM #430
    LordEC911
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    Quote Originally Posted by Clint View Post
    Decent review. The card looks crap though, what were they thinking?

    As for OC it as many HD 4770 sucks when it comes to memory, only 900MHz.

    It took me four purchases before I got my card that delivers good memoryperformance, 1200MHz. It's almost as the deliberately using half-defective chips on these cards.
    What voltage does the memory on the 4770 run at stock?
    From the factory they are rated at 1.5v for 4Gbps.
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  6. 06-11-2009, 11:55 PM #431
    Clint
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    Quote Originally Posted by LordEC911 View Post
    What voltage does the memory on the 4770 run at stock?
    From the factory they are rated at 1.5v for 4Gbps.
    Honestly, I'm not sure. But considering that I've seen a few 4770's from all brands doing 1100-1200MHz I assume they get feeded with proper voltage. The disturbing part is that the results varies so much, from 900 -> 1200MHz...and that within same brand/model. They are specified to run at 1000MHz, so anything lower than that I consider defective.
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  7. 12-03-2009, 01:05 PM #432
    roubagalinhas
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    Quote Originally Posted by WhiteFireDragon View Post
    any water blocks planned for this yet? or, any current blocks fit this?
    not that i know of, but there's always the chance of using an universal NB/SB WB
    the distance between holes is 43mm

    my mcw60 is in standby, waiting for a little "surgery"
    http://www.ocforums.com/showthread.php?t=609174
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  8. 12-03-2009, 02:43 PM #433
    eXa
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    Last edited by eXa; 12-03-2009 at 03:16 PM.
    Quote Originally Posted by iddqd View Post
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