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Major FPS drop when moving the mouse or changing camera direction (from 250 FPS to 70 FPS)
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Description

I’m experiencing severe FPS drops in DayZ when moving the mouse or changing the camera direction. The game maintains a stable ~250 FPS when looking in one direction, but the moment I start moving the mouse to look around (especially in dense areas or cities), the FPS drops instantly down to 70 or even lower, with visible stuttering.

This issue happens consistently, even on low/medium settings, and only when moving the camera — not while standing still or walking in a straight line.


System Specs:

CPU: Intel Core i5-12400F (6 cores, 12 threads)

GPU: NVIDIA RTX 3070 Ti (8GB VRAM)

RAM: 16 GB DDR4

Storage: SSD (C: drive)

Mouse: Logitech Pro X Superlight (Polling Rate: 1000Hz → tested 500Hz as well)


Settings Tested:

mouseSmoothing=0;

rawInput=1;

sceneComplexity=100000;

preferredObjectViewDistance=800;

VSync: Off

Low Latency Mode: Ultra

Shader Cache: On

Also tested multiple polling rates (500Hz, 800Hz, 1000Hz) with no major difference. Windows "Enhance pointer precision" is disabled. No background apps interfering.


Steps to Reproduce:

  1. Launch the game and join any server (tested on both modded and vanilla).
  1. Stay still and look in one direction — stable 250 FPS.
  1. Move the mouse to turn the camera — FPS drops to 70 instantly.
  1. After stopping camera movement, FPS returns to 250.

Expected Result: FPS should remain relatively stable when rotating the camera or moving the mouse, especially on high-end hardware.

Actual Result: Massive FPS drop and stuttering only during mouse movement / camera rotation.

Details

Severity
None
Resolution
Open
Reproducibility
N/A
Operating System
Windows 11 x64
Operating System Version
System Specs: CPU: Intel Core i5-12400F (6 cores, 12 threads) GPU: NVIDIA RTX 3070 Ti (8GB VRAM) RAM: 16 GB DDR4 Storage: SSD (C: drive) Mouse: Logitech Pro X Superlight (Polling Rate: 1000Hz → tested 500Hz as well)
Category
General

Event Timeline

kazeka4 created this task.Sun, Apr 6, 9:53 AM

pls i wanna play fix it thnks

Geez changed the task status from New to Need More Info.Mon, Apr 7, 10:03 AM
Geez added a subscriber: Geez.

Hello kazeka4.
Could this be caused by some external software you are running or outdated/corrupted driver?