Rev M
I’ve not owned nor used either 7x57 or 7-08.
Now I have 2nd hand experience with a 7-08 a hunting pard liked/used to collect WT.
IN a “modern” Rifle it’s tit for tat AFAIC.
Yet I’d choose the 7x57 for magazine / seating flexibility.
Everyone will not agree but it’s MY choice.
Jerry