Discord High CPU and RAM Usage
Quick answer
Turn off hardware acceleration and the overlay first; they are the most commonly reported causes.
Most likely fix: Turn off acceleration and overlay
How to fix it
Try these in order — the most common fix is first.
1. Turn off acceleration and overlay
- User Settings > Advanced > Hardware Acceleration off
- User Settings > Game Overlay off
Did this fix it?2. Lighten voice processing
- Voice & Video: disable noise suppression and echo cancellation if not needed
Did this fix it?3. Update and reinstall
- Update Windows and GPU drivers
- Clean reinstall Discord if persistent
Did this fix it?
Symptoms
Fans spin, games stutter, Task Manager shows Discord using lots of CPU/RAM.
Why it happens
- Hardware acceleration
- In-game overlay
- Voice processing such as noise suppression
- Very large servers
- Outdated drivers
This guide also covers
- discord high cpu usage
- discord lagging
- discord using too much ram
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