Ultra Street Fighter 4 Fitgirl Better -

FitGirl repacks are known for shrinking game files to a fraction of their original size. For USF4, this means a much faster download without losing core game quality.

While the repack is often more efficient, the installation process is more intensive because your PC must "unpack" the compressed data. Guide :: Optimizing USF4 for High-End Systems

This setting is often for debugging and can cause performance drops on modern CPUs. Set Soft Shadows to High and Motion Blur to Off.