I also checked cos I was curious. For me there is a difference in fps as well, however not as big of a difference. I think this a player specific problem and not something everyone experiences. My fps went from 700 to 500. It's quite a big difference but not close to your 15fps. You might want...
My epic game name is Pluizekat
Discord is Pluizekat#8993
My favourite server prisons for obvious reasons.
My favourite memory is me getting a penguin plushy for Christmas. It can sing and is very cute. Willing to sell pics for cubits ;) (jk mods don't ban me). Other that I don't have a lot of...