Feather Client has a reputation for being "Lunar for poor people," but technically, it is lighter.
Add these to reduce RAM paging:
: This allows your PC to focus all its resources on rendering the game instead of background window processes. Install Sodium or OptiFine best minecraft client for low end pc
It is an incredibly efficient launcher that uses minimal system resources. Instead of a heavy client with flashy animations, it focuses on managing "instances." Feather Client has a reputation for being "Lunar
(Not a client, but a must-have mod combo) " but technically