Ever since the 2.5 update, a lot of ppl have been complaining about a drop in fps.
So far, the only thing I've found is that if you are running Asus Suite 3.0, that conflicts with the hack check/cheater software Valorant uses. Only solution to date is to completely (and I do mean completely, not just an uninstall) get rid of Asus Suite.
Regardless of the actual number, it's so far above your monitor resolution that it makes no difference. 300 or 600 or 1000fps isn't going to change anything, either visually or game play.