Few people have a 9mm revolver and the data that many are pointing out are from tests Paul Harrell did on youtube.
View: https://youtu.be/eIsy9gg1S58?t=754
In LCR:
Remington 9mm- 1051 fps
Sig Sauer 9mm- 1159 fps
Correct he compared 9mm and 38. He did .ot compare 9mm to 357. I'm having a tough time believing 9mm in a snub is going to be the same energy as 158 grain 357. I'd have to see that compared side by side