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    Radeon HD 4570 - Approx Total Memory - 2280MB?!

    Discussion in 'Dell' started by whato1986, Feb 8, 2010.

  1. whato1986

    whato1986 Notebook Enthusiast

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    Hi,

    I'm not too bad with computers, but I'm struggling to understand how my Radeon HD 4570 gpu, which came with the Dell 1555 I bought last week, is showing up on DxDiag as having 2280mb of memory? The Dell specification said that I had bought the 512mb version of the 4570...

    [​IMG]

    Can someone explain this? What basic fact have I misunderstood?

    Thansk,

    EDIT:

    I just found this ATI Mobility Radeon HD 4570 with 512 MB discrete graphics for up to 2280 MB of dynamically shared memory allocated by the system Can someone explain this a little more for me? Does this mean that when playing a graphic-intensive gain the system could use more than 512? Thanks!
     
    whato1986, Feb 8, 2010
    #1
  2. clogui

    clogui Notebook Consultant

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    I guess yes :D like when you run out of ram and Windows takes some of your hard drive, the same is with GPU.
    But it's not like having a 2280 M ram graphic dedicated :D
     
    clogui, Feb 8, 2010
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  3. Digger004

    Digger004 Notebook Enthusiast

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    exactly - spot on!
     
    Digger004, Feb 8, 2010
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  4. whato1986

    whato1986 Notebook Enthusiast

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    wishful thinking on my part!
     
    whato1986, Feb 8, 2010
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  5. chaugh

    chaugh Notebook Consultant

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    the ati 4570 will never utilise that much memory anyway. i was playing street fighter 4 and it was just using around 120mb graphics memory. correct me if im wrong.
     
    chaugh, Feb 8, 2010
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  6. freedom16

    freedom16 Notebook Deity

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    Some of its intergrated and mostly the dedicated 1 gig card.
     
    freedom16, Feb 9, 2010
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  7. namaiki

    namaiki "basically rocks" Super Moderator

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    You can confirm actual amount of video ram present using GPU-z.
     
    namaiki, Feb 9, 2010
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