How Much Memory Does Vista REALY Need?

With Windows Vista coming soon to a retail channel near you, one of the important questions to ask is, "How much memory does it really need?"  There are the official minimum requirements of 512 MB, but we all know that minimum requirements don't translate to a great experience.  What are the real memory levels that get […]

With Windows Vista coming soon to a retail channel near you, one of the important questions to ask is, "How much memory does it really need?"  There are the official minimum requirements of 512 MB, but we all know that minimum requirements don't translate to a great experience.  What are the real memory levels that get good performance?  After having used it for several years during the development process, I figure I'm in a pretty good place to help answer that question.  Vista definitely requires more memory than XP did to achieve similar levels of performance.  That is to be expected with all of the new functionality invovled.  To run Vista at its best, I recommend you have at least 1.5 gigabytes of RAM.  In my experience, the following is a mapping from XP RAM to Vista RAM requirements for eqivlaent performance.

XP RAM      Vista RAM

128 MB       512 MB

256 MB       1 GB

512 MB       1.5 GB

1 GB           2 GB

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Microsoft, Windows Vista, Memory, RAM