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Why does Firefox need so much memory?

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I open a simple text page (weather forecast) and IE needs 60 MB of RAM but Firefox needs 600 MB. It seems each update of Firefox it only needs more and more memory. More complicated webpages consume several GB at times.

I open a simple text page (weather forecast) and IE needs 60 MB of RAM but Firefox needs 600 MB. It seems each update of Firefox it only needs more and more memory. More complicated webpages consume several GB at times.

Additional System Details

Installed Plug-ins

  • Shockwave Flash 32.0 r0

Application

  • User Agent: Mozilla/5.0 (Windows NT 6.3; Win64; x64; rv:65.0) Gecko/20100101 Firefox/65.0

More Information

Wesley Branton
  • Top 10 Contributor
617 solutions 5143 answers

That's pretty standard. Firefox is a more advanced and more modern browser than Internet Explorer, so it will usually use more memory.

However, if you are concerned that Firefox is using too much memory, please review the Firefox uses too much memory or CPU resources - How to fix documentation.

That's pretty standard. Firefox is a more advanced and more modern browser than Internet Explorer, so it will usually use more memory. However, if you are concerned that Firefox is using too much memory, please review the [[Firefox uses too much memory (RAM) - How to fix]] documentation.

Question owner

I already tried that and it didn't do much to improve memory usage. I can't afford 2 - 3 GB on many pages, it's over half my memory and really bogs down my computer between that and the ~40% CPU usage of 4 cores at 3 GHz for one tab.

I already tried that and it didn't do much to improve memory usage. I can't afford 2 - 3 GB on many pages, it's over half my memory and really bogs down my computer between that and the ~40% CPU usage of 4 cores at 3 GHz for one tab.

Modified by KennonConrad