2GB of RAM is not enough for smooth Windows Vista performance. Here’s why.
Conventional wisdom has it that 2GB of system memory is the price/ performance sweet spot for Windows Vista. But we’re going to have to kick conventional wisdom out of bed on this one. For starters, he’s a smelly old beast that feeds on lazy assumptions. But more to the point, he’s just plain wrong. Anyone who has significant experience of Vista running with 4GB of RAM can tell you that. Vista runs much, much more smoothly with 4GB.
Read more here: Why Vista needs 4GB of RAM
(Via N4G.com : News Feed.)