title: DRAM and its effects on real world performance
body: <p>After learning a little on how computer programs run I had some thoughts concerning the cpu and RAM. After watching a few youtube videos (linus tech tips and others) they all seem to show that increasing a RAM speed (frequency) does not really have much of a performance improvement in real world applications and games on a general desktop computer. My first question is why is this? Is it because of the high hit rates (95% and above) of the cpu's cache on most modern cpus? Which in turn would lead to less and less need for the cpu to reach out to ram? Also, in which situations would faster RAM frequency be beneficial? </p>