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High CPU usage when watching twitch

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I upgraded from windows 8 to windows 10 yesterday. When I was using windows 8 I had hardware acceleration turned off in firefox and chrome because having it on caused stuttering on twitch streams. But now with windows 10 if I don't have hardware acceleration turned on having FF or chrome open will use like 70% of my cpu when watching something on twitch. But if I turn it on it still causes the stutter.

With windows 8 with hardware acceleration turned off a twitch stream on source would use 30% cpu With windows 10 with hardware acceleration turned off it uses 70% cpu usage

I upgraded from windows 8 to windows 10 yesterday. When I was using windows 8 I had hardware acceleration turned off in firefox and chrome because having it on caused stuttering on twitch streams. But now with windows 10 if I don't have hardware acceleration turned on having FF or chrome open will use like 70% of my cpu when watching something on twitch. But if I turn it on it still causes the stutter. With windows 8 with hardware acceleration turned off a twitch stream on source would use 30% cpu With windows 10 with hardware acceleration turned off it uses 70% cpu usage
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  • User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:67.0) Gecko/20100101 Firefox/67.0

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cor-el
  • Top 10 Contributor
  • Moderator
17276 solutions 156148 answers

A forum search suggests that this happens because of Firefox using a lot of memory (2 GB or more).

What is the Firefox memory usage when this happens?

You can check the Firefox Task Manager (about:performance) and about:memory pages.

A forum search suggests that this happens because of Firefox using a lot of memory (2 GB or more). What is the Firefox memory usage when this happens? You can check the Firefox Task Manager (about:performance) and about:memory pages. *https://support.mozilla.org/en-US/kb/task-manager-tabs-or-extensions-are-slowing-firefox *https://support.mozilla.org/en-US/kb/firefox-uses-too-much-memory-ram *https://support.mozilla.org/en-US/kb/firefox-uses-too-many-cpu-resources-how-fix
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Question owner

I reverted back to windows 8.1 and the problem still persisted. Oddly enough chrome stopped eating a lot of CPU when I reverted while firefox still is.

I reverted back to windows 8.1 and the problem still persisted. Oddly enough chrome stopped eating a lot of CPU when I reverted while firefox still is.
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