Don't let the graphs fool you as if you look at the numbers you will see how small the gains are.
Marketing types or clueless people will try and fool you so look at the actual numbers.
i.e. a 3% gain moving from 2,133 to 3,466 is not a big deal for multi-threaded loads.
Note: There are so many dubious graphs which deliberately don’t start from zero because they know they will fool those unaware of basic marketing tricks.
Given that the prices of DDR4 modules are almost identical regardless of the speed being 2666 or 3200, this performance upgrade comes almost for free as a gift.
The "clueless people" definition could have been saved,