Modern PCs are rarely doing just one thing at a time.
Even when a simulator is running full screen,
dozens of background processes are still active.

In simulation, those background tasks can matter far more
than most users realize.


Short answer

Background processes affect simulation accuracy by introducing timing delays,
inconsistent CPU scheduling, and unpredictable latency.
Simulators are far more sensitive to this than typical games.


What background processes actually do

Background processes include system services, drivers, update agents,
monitoring tools, and third-party software running alongside the simulator.

Individually, most of these processes consume very little power.
Collectively, they can disrupt timing-sensitive workloads.


Why simulators are more sensitive than games

Many games tolerate brief scheduling delays or timing variation.
Simulation software often cannot.

Simulators rely on:

  • Precise input timing
  • Real-time physics calculations
  • Synchronization between visual output and sensor data

Small interruptions that go unnoticed in gaming
can reduce accuracy in simulation.


CPU scheduling and timing conflicts

Operating systems constantly schedule CPU time between tasks.
When background processes interrupt simulator threads,
timing consistency can suffer.

This may result in:

  • Input latency variation
  • Micro-stutter without visible FPS drops
  • Inconsistent physics or tracking behavior

These issues are often misdiagnosed as GPU or hardware problems.


Input devices and sensor accuracy

Many simulators rely on external devices:
cameras, launch monitors, steering systems, or motion platforms.

Background processes competing for CPU time
can delay how input data is processed,
even if average system utilization looks low.


Common background services that affect simulation

Certain system services and utilities are frequent contributors:

  • Automatic update services
  • Background indexing or scanning tools
  • Hardware monitoring software
  • Third-party overlays or recording tools

These services are usually harmless for everyday use,
but can interfere with timing-sensitive simulation workloads.


Why accuracy is affected even when FPS looks fine

FPS counters measure frame output, not timing accuracy.
A simulator can maintain high FPS
while still experiencing inconsistent input or physics timing.

This is why simulation accuracy issues
are often felt before they are measured.


Long sessions amplify background interference

Over long simulation sessions,
background processes may activate unpredictably.

Scheduled tasks, background maintenance,
or thermal-related behavior changes
can introduce variability that wasn’t present at startup.


Why clean system behavior matters

A clean system environment minimizes unnecessary interruptions.
This improves timing consistency, input accuracy,
and overall simulator reliability.

Simulation accuracy depends as much on system behavior
as it does on raw hardware capability.


What simulator systems should be optimized for

Simulator PCs should be configured to minimize background interference.

Key priorities include:

  • Controlled background services
  • Stable CPU scheduling behavior
  • Predictable system load over time
  • Minimal third-party software interference

Final thought

Background processes rarely break simulators outright.
Instead, they quietly reduce accuracy.

In simulation, precision depends on consistency,
and consistency depends on control.

Simulator Platforms We Support

RBS systems are designed for the most common simulator platforms used today.

Golf simulators

TrackMan · Uneekor · Foresight

Racing simulators

iRacing · Assetto Corsa · rFactor

Flight simulators

MSFS · X-Plane · Prepar3D