I compared them yesterday. There seems to be more development activity and more contributors for Gitea (check the pulse tool on github for the last month). I haven’t got a stake in this whatsoever, but I recall the rationale for the fork being that PR’s would remain unmerged for months without comment due to the inactivity of the original author, who nevertheless wanted to retain control?
A frantic commit free for all isn't necessarily better. I count nine different developers committing to the project's master branch in a single day. That has tradeoffs too.
Comparing commits is mostly pointless anyway. Some people commit very often any little change (like some indentation change) while others commit only when a feature is done.
Judging from Github stars, Gogs is also vastly more popular.