How much CPU and RAM should Chrome need when only GMail is open?

Tilman November 19, 2010
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A moment ago I had just GMail open in Chrome, but no other tabs, so I had a quick look at the Windows Task Manager. Even though just one tab with GMail was open, there were several Google Chrome processes running. The one on the top of the list was consuming 200 MB of RAM and about 50% of my CPU! Is this normal? If not, what could be the reason?

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  1. IT Support Auckland
    December 19, 2011 at 7:51 pm

    My Chrome seems to do the same thing I will try your suggestion of disabling the mail checker. I use quite a few extensions and when I run incognito I don't experience the problem so I'm guessing it must be one of them.

  2. Hot
    September 22, 2011 at 9:57 am

    to be honest I got 6 gb ram. I dont care more or less I open about 24tabs and i got 1,5 gb ram free so my chrome use from 2-2,75 gb of ram + 1.75gb win 7  without page file

  3. Tilman
    November 20, 2010 at 11:05 am

    Thank you for your very valuable tips!

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    November 20, 2010 at 9:35 am

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  5. Anonymous
    November 20, 2010 at 8:01 am

    Hi
    To see which Google Chrome process is using high CPU, use the Google Chrome task manager by hitting Shift + Esc.
    http://malektips.com/google-chrome-memory-usage.html

    Do you have google chrome gmail extensions?

    A bug in the gmail checker that caused it to schedule 2 requests for each
    one that timed out. My theory is that this is causing the memory leak with
    this extension.
    http://www.howinthetech.com/getting-a-grip-on-google-chromes-memory-usage/

    Google Chrome's multi-process architecture, which you can read more about in this comic,
    http://www.google.com/googlebooks/chrome/small_00.html

    Chrome and Firefox 3.5 Memory Usage
    http://dotnetperls.com/chrome-memory

    1. Clear your cache. Hit Ctrl + Shift + Delete and check the box next to "Empty the cache." In the menu next to "Clear data from this period," select "Everything" and hit "Clear browsing data." If clearing your cache does not fix the problem, deleting additional kinds of browsing data may help.

    2. Disable extensions. First, try to reproduce the problem in Incognito mode by hitting Ctrl + Shift + N. If the problem goes away, an extension may be at fault. Try disabling extensions one by one to isolate the issue. If you find an extension that causes the problem, be sure to let the developer know on his page in the gallery.

    3. Temporarily disable your antivirus software. If this alleviates the problem, try using a different kind of antivirus software

    http://computelogy.com/2010/07/wait-over-browser-performance-benchmark-results-released.html

  6. Mike
    November 19, 2010 at 9:31 pm

    Except for the high CPU usage your descritions sounds quite normal.
    Chrome uses a multi-process model which makes it more robust and responsive.

    In general you can say that everything has it's own process, for example:
    1 Chrome instance with 1 tab means 2 process
    3 enabled extensions means 3 more processes

    Let's take my setup as an example:
    right now I got 5 open tabs and I have 6 enabled extensions therefore Task Manager shows 12 Chrome processes => 5 tabs + 6 extensions + 1 for Chrome itself

    The second thing is that each tab has it's own instance of plug-ins. Every open tab has it's own instance of Flash, it's own instance of Java, etc. etc...
    Basically each tab has it's very own little sandbox and whatever goes wrong in it doesn't effect the other tabs.

    You can read more here
    http://blog.chromium.org/2008/09/google-chrome-memory-usage-good-and-bad.html
    and even more here
    http://dev.chromium.org/memory-usage-backgrounder

    As for the CPU usage I can only imagine that some client-side scripts goes crazy in the background or maybe some custom skin for Gmail that has higher demand on the processor.

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