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Thread: XFX Radeon HD 4870 edition underclocked

  1. #1
    Join Date
    Mar 2010
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    393

    XFX Radeon HD 4870 edition underclocked

    I am in conclusion decided to examine the presentation of my 4870 for the reason that it dangerously under performs. Subsequent to installing the 10.3 drivers I saw the core clock was set at a defaulting of 200 MHz and a memory clock of 500 MHz. I checkered the internet for comparable results of this card and it is way off. I encompass seen core clocks of 500 MHz and memory clocks of 900 MHz.

  2. #2
    Join Date
    May 2009
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    760

    Re: XFX Radeon HD 4870 edition underclocked

    The core clock says its defaulting is 775 MHz. This is a tremendous dissimilarity from 775 to 200 MHz. I encompass tried over clocking it using the catalyst control center overdrive but subsequent to I slide the MHz up and recognize the innovative value it presently resets it back to 200 MHz. Those clock speeds you observe are the 2d clocks (power play) when you start several 3d app your card determine to ramp up to the 3d clock speeds (775/950) or whatever you set the over clock.

  3. #3
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    May 2009
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    735

    Re: XFX Radeon HD 4870 edition underclocked

    In addition to that, if your card is underperforming, there are two general potential: moreover you encompass an extremely slow/weak CPU which be able to bottleneck it, or the card does not get sufficient power from the power supply. The Radeon HD 4890 works at 850MHz for the core, which was dangerous to reach with the HD 4870 even with watercooled versions or descriptions. The innovative GPU is much additional flexible and permit us to over clock the core to 900+MHz. This is the reason why AMD permitted its partners to launch over clocked cards on day one, and XFX is not the one to miss out on such occasion.

  4. #4
    Join Date
    Jan 2009
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    913

    Re: XFX Radeon HD 4870 edition underclocked

    Presently, the entire the HD 4890 cards come with orientation cooling and PCB, and the similar goes for XFX’s card. One thing that determines to certainly separate the XFX’s card from the rest of the pack sitting on the shelves is the box, which is quite strangely shaped. The XFX made X-shaped boxes previous to, but we do not recall them being this detailed and well complete. Apart from the looks, an additional thing might catch your eye and it’s Ubisoft’s H-A-W-X gift game.

  5. #5
    Join Date
    Aug 2009
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    750

    Re: XFX Radeon HD 4870 edition underclocked

    The card comes by means of 1GB of GDDR5 memory, DirectX 10.1 hold up, 800 stream processing unites, Unified Video Decoder 2 (second generation), onboard HDMI with 7.1 encircle sound, PCI-Express 2.0, Dynamic Power organization, etc. The Tom Clancy’s H-A-W-X gift-game comes with DX10.1 hold up and it determines to come in handy if you are gaming on Vista or Win7 you are able to. Make a note of that merely AMD Radeon cards presently present DX10.1 hold up, and they might not help but notice a higher frame count when DX 10.1 is used, as opposed to the customary DX 10 settings. The Geforce cards cannot do DX 10.1 on the other hand, so AMD is one step ahead in this game.

  6. #6
    Join Date
    May 2009
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    857

    Re: XFX Radeon HD 4870 edition underclocked

    The fan is kept from the HD 4870’s cooler, and it’s NTK Technologies’ CF1275-B30H-C004 DC12V 1.0A. Superior clocks on the HD 4890 completed AMD modify the HD 4870’s cooler a bit. They added additional copper for superior dissipation and the cooler tranquil pushes hot air out of the case. This time, AMD used three copper heat pipes going from the copper base to the heat sink; whereas the HD 4870’s cooler had two. The innovative cooler uses one 8mm and two 6mm whereas HD 4870’s utilizing two thicker, 8mm pipes. Aluminum surface is tranquil the similar, meaning the indulgence surface is unchanged. In addition, you determine to locate a supplementary short copper pipe on top of the power regulation area.

  7. #7
    Join Date
    May 2009
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    1,084

    Re: XFX Radeon HD 4870 edition underclocked

    The AMD used two Voltera VT1165 voltage controllers on the innovative card. One handles VGPU core voltages and the additional is in accusation of memory voltage. You be able to observe them on the picture situated next to the white pin-head fan power connector. Software voltage modify are probable and they are certain some of the partners determine to utilize it to their benefit, which would certainly create 1GHz core speed within a grasp. An additional detail not characteristic on the HD 4870’s PCB is a place for the 8-pin power connector, which even though unused demonstrate that AMD did some work on it.

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