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Izanagi
Izanagi

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FiveM server-side vs client-side FPS: understanding the difference

#fivem #gaming #windows #performance

FiveM FPS problems come from two distinct sources: server-side (tick rate, script load) and client-side (Windows, hardware, GTA V config). Fixing the wrong one wastes time.

How to tell which is your problem

Server-side symptoms:

  • FPS drops when more players are nearby
  • FPS drops correlate with script execution (shops, menus, vehicle spawns)
  • FPS is fine in single-player or empty servers
  • Other players on the same server report similar drops

Client-side symptoms:

  • FPS drops even on empty servers
  • FPS drops don't correlate with other player activity
  • Single-player GTA V also has FPS issues

Client-side fixes

If your problem is client-side, the fixes are Windows configuration:

CitizenFX process priority:

HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\CitizenFX.Win32.exe\PerfOptions
CpuPriorityClass = 3
IoPriority = 3
GpuPriority = 8
Enter fullscreen mode Exit fullscreen mode

GTA V shader cache: clear %localappdata%\Rockstar Games\GTA V\ shader cache files periodically.

VRAM: GTA V + FiveM scripts + mods can push past 6GB VRAM easily. Close everything else.

Network: Nagle off, interrupt moderation off on NIC.

Server-side — nothing you can do

If it's server-side, you need a different server or the server owner needs to optimize their scripts. Client tweaks won't help.

Full client optimization at https://terweb.lt/

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