Today's modern games and many productivity applications can consume 4GB on its own, so there's little argument for not going with 8GB. However, the need for 16GB of memory is a hotly debated subject, so today we are going see if and where this much memory might be useful for desktop users.
Slow computer got you down? Maybe a hardware upgrade should be in your cards, if so this guide to the Fundamentals of Upgrading a PC is an invaluable read. PCSTATS Tips