This post published byMiniTool teamgives a full review on the topic of Firefox hardware acceleration.
What Is Hardware Acceleration Firefox?
Firefox Hardware Acceleration on or Off?

Then, many of you may ask should I use hardware acceleration in Firefox.
Well, it depends.
This greatly saves the time of the whole search process.
From this point of view, it is beneficial to have the hardware acceleration feature switched on.
Yet, on the other hand, there are also disadvantages of using hardware acceleration.
For example, hardware acceleration willincrease the usage of memory.
The more the web app tabs to process, the more memory it will occupy.
So, for old and low-profile computers, toenable hardware acceleration Firefoxneeds to be considered twice.
Firefox Disable Hardware Acceleration
How todisable hardware accelerationin Firefox?
Or, how to turn off hardware acceleration Firefox?
By disabling hardware acceleration Firefox, you should do the below steps.
Step 1. choose theMenuicon (three slashes) on the top right and selectOptions.
In the defaultGeneraltab of the new screen, scroll down to find Performance.
Under the Performance section, uncheck Use recommended performance tweaks.
Once you untick the above option, the Use hardware acceleration when available option will appear.
Just uncheck it too.
Restart Firefox to save the change.
Here, some of the common issues that may be derived from hardware acceleration are listed below.
This may be sparked by the hardware acceleration feature you enabled in Firefox.
Yet, it may also due to WindowBlinds for Firefox.
And, by turning off hardware acceleration Firefox or WindowBlinds or both of them will fix the issue.
Or, you’re free to disable hardware acceleration or WebGL.
Also read:[7 Ways] Fix Firefox internet tool Not Recognize Video Formats Issue