I have a two year old PC with a PCI Express interface and an nVidia 7800 GTX (DX9) GFX card. It runs XP home edition. What I would love to know is can I put a DX10 GFX card in this machine? Would DX10 run on an XP machine? Or is DX10 a Vista only thing?
Yes, a DX10 card will work with XP. It just won't be running the DX10 part. It will be DX9 instead. The 8800gts for example is DX9 and DX10 so you will have no problems. If you ever upgrade to Vista, DX10 can be enabled.
A DX10 card with XP will kill any DX9 games!
You will notice a big difference going from a 7800 to a 8800.
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