I'm a noob at CPU


Oh and here some other newbie question,it says i have Intel Pentimium(R) D CPU 2.66GBz 2.67GBz and 200 GB of RAM,what the difference between RAM and GBz?Oh and am i going to be able to play new game whit that configu(like Vanguard ect.),Sorry im really newb i got my computer from my dad so yea lol
~Kaz