More RAM will allow higher resolutions and\or dual monitors. From the
Vista Hardware Planning Guidance
(
http://www.microsoft.com/technet/win.../vistarpc.mspx)
Adequate graphics memory is defined as:
– 64 MB of graphics memory to support a single monitor at 1,310,720
or less
– 128 MB of graphics memory to support a single monitor at
resolutions 2,304,000 pixels or less
– 256 MB of graphics memory to support a single monitor at
resolutions higher than 2,304,000 pixels
– Graphics memory bandwidth, as assessed by Windows Vista Upgrade
Advisor, of at least 1,600 MB per second
peter wrote:
The minimum requirement for vista seems to be 128MB video card. Would I gain
any functionality by going to a 256MB card?