Ditto for a hardcore gamer who tries to save money by buying 2GB RAM for his gaming PC.
Here we give a definitive guide to how much your PC or laptop actually needs.
Note # How much RAM your PC supports will depend on your motherboard.
If you are one with above needs, 1GB RAM may suffice your requirements.
However, with a 64-bit operating system then youll have full access to the whole 4GB.
4GB RAM is absolutely necessary if you use your machine for 8 hours a day.
4GB RAM will make your applications run faster and you’re free to run more Apps simultaneously.
8GB
Note: You will need a 64-bit operating system to make use of this amount of RAM.
8GB RAM is for serious PC users who give a shitload about performance.
Adobe Creative Cloud applications need this much of RAM to run smoothly.
16GB
16GB RAM and above territory is reserved for geeks and nerds.
16GB+
If you are a 16GB+ RAM user, you are a certified nerd.
A PC with more than 16GB of RAM will be a do-anything system.
source: www.techworm.net