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Is it possible to use GPU memory as more main memory?

I would like to create a RAM disk/drive using the GPU's RAM/memory.

Then use ReadyBoost on Windows to use the disk as extended memory.
Any tips?

  • See superuser.com/questions/34388/… for a list of RAM disks for windows. Sep 20, 2011 at 8:19
  • a ramdisk stores stuff in volatile memory. the disks used for readyboost store stuff in permanent memory. do you understand the two different storage methods?
    – akira
    Sep 20, 2011 at 8:26
  • 1
    @akira Readyboost data is deleted after every restart, so there's no real difference.
    – AndrejaKo
    Sep 20, 2011 at 9:23
  • @David Freitas Do any of them actually use GPU memory? It would be counterproductive to use regular RAM for ReadyBoost.
    – AndrejaKo
    Sep 20, 2011 at 9:25
  • 2
    @akira I asked a qquestion about it here and in the end response was that it's impossible to keep data after restart.
    – AndrejaKo
    Sep 20, 2011 at 11:33

1 Answer 1


Apparently this is possible with Linux:

Graphics cards contain a lot of very fast RAM, typically between 64 and 512 MB. With Linux, it's possible to use it as swap space, or even as RAM disk.


But I've found nothing similar for Windows.

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