Real performance difference with RAM

ema21del9

Reputable
May 23, 2016
556
0
5,160
Ok I've been struggling my mind with this for a lot of time, let's say I have a DDR3 stick 1600mhz vs 1866, or let's even add a DDR4 2133mhz stick. What would be the difference in "real world"? In gaming mostly that is what I do most of the time.