Does virtual RAM increases performance...?

Solution
The short answer is "almost certainly not".

However, if the system doesn't have enough physical RAM to store everything it needs, virtual RAM really becomes essential.

I would say it's not so much about whether it increases performance or not. If you care about performance you want to make sure you have enough physical RAM so that important data doesn't end up cached into virtual memory (also called a pagefile). Rather, having virtual memory ensures the system can keep running if you hit a scenario where active programs require more memory than the computer has available.
The short answer is "almost certainly not".

However, if the system doesn't have enough physical RAM to store everything it needs, virtual RAM really becomes essential.

I would say it's not so much about whether it increases performance or not. If you care about performance you want to make sure you have enough physical RAM so that important data doesn't end up cached into virtual memory (also called a pagefile). Rather, having virtual memory ensures the system can keep running if you hit a scenario where active programs require more memory than the computer has available.
 
Solution