Metaphor ReFantazio with Low U Usage, Poor Performance and FPS Drops
If you're experiencing low FPS in Metaphor ReFantazio, it might be due to U underutilization. Try this simple fix to boost performance.

The creators of low sound levels and bad performance with constant stuttering. Let’s see if there’s a fix.
Metaphor ReFantazio – Bad Performance Explained
It seems inevitable these days. – almost every new PC game or port suffers from poor optimalization. Sadly, Metaphor: ReFantazio demo is no exception, with gamers reporting FPS drops and other performance problems.
Some people have speculated that those issues stem from inefficient U utilization. It seems the game is primarily relying on a single U core, which can significantly bottleneck performance, leading to frame rate drops and other gameplay hiccups.
Luckily, there is a tweak you can try:
- Launch the game and then open Task Manager by pressing Ctrl + Alt + Delete.
- Go to “Details” tab, and right-click on Metaphor.exe.
- Click on “See Affinity”. If all cores are checked, untick them, leaving only the first core ticked, and click “OK”.
- Rick-click on Metaphor.exe again, select “Set Affinity”, tick all cores, and click “OK”
As discussed in this Steam thread, this workaround has helped many players, though it must be repeated each time you start the game.