I'm going to buy a replacement AGP video card for parents' decade old Athlon XP 3200+ computer. It has Radeon 9000 with 64MB now. This videocard is crippled under Windows 7 (no WDDM driver) and it does hinder the performance I know I can get from the machine.
I'm looking at GeForce 6600, 7300 or 7600 (since they all are the same generation actually) series cards as best option in my view. I would like the card to help with 720p h.264 decoding and it seems with latest drivers for those cards it does help a bit. If somebody would advise ATI I've tried using comparable Radeon 2600XT on that system and it was flakey.
I see many 6600 and 7300 on sale for cheap. But they are 128MB usually and 256MB variants command higher price. I would like not to try it more than I need so would like to ask:
Will 128MB be enough to drive two screens (one 1024x768 and another is 1366x768) without Windows dropping Aero and with h.264 decoding working on both screens? Will it be enough if I replace 1024x768 with 1680x1050 one?
What would be your suggestion? Thank you.