https://greatpcreview.com/guides/cas-latency-vs-ram-speed/
If you learn about latency and RAM timings, and also how the processor/CPU interacts with memory via the controllers and kernel then you get a much deeper and valuable understanding.
Most people confuse “correct configuration” with “more powaaa!”
By analogy: you have now tuned your car and it is running properly. It’s not that it has “more horsepowaaaa!” But rather it can utilize the power it does have effectively.