Well…
I was going to spend the weekend doing extensive cpu/mb testing for randomX. now it looks like I will be doing GPU testing too.
From the monero sub reddit
Most of the basic benchmarks are here:
Still looks like cpu’s are better.
@Hannibal @Sacsayhuaman @Spiral1990
Here is a start 
let me know what other hardware you would like me to test, or whatnot in that thread over there.