Severe FPS Drops (5-10 FPS) in every game mode, even in Menus

7189Q​ 
Because they released an unfinished product. The game has a constant memory leak. They still can't fix it because they've forgotten how to write code because of their AI. They're sitting in EA Headquater and churning out patches with the help of Claude AI. It's been four months since the game's release.

I just installed EA FC 25 and immediately noticed the difference.
Instead of patch 1.4.0, just install EA FC 25 and you'll be happy.