We have tested dozens of free configurations. The current best-in-class comes from the Performance Modding Collective (PMC) and is available via their official Discord (invite code: pmc-fps – note: this updates frequently, so verify in search).
This is the king of all performance files. The default GTA V gameconfig crashes if a server has more than 50 custom vehicles. An optimized gameconfig raises the memory pool limits. fivem smooth fps boost pack citizen optimized free