R

RevolutionSphere

I know that the free version is light weight but Internet Security may be higher considering that it uses a firewall and various other stuff. But to be honest I have no idea. I would recommend trying to trial version of Internet Security and see how it does and then try out the free version.
 
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Jack

Administrator
Staff member
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Avast Antivirus Free will use around 20 MB of RAM
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Avast Internet Security will use around 40 MB of RAM

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Avast Internet Security comes with more layers of protection (eg: Avast Firewall, Avast Safe Zone) so it's to be expected to use a little more RAM and CPU than the Free version which is more basic. With that said, the Internet Security version of Avast should offer a better protection..

Now, here are the results from the latest Performance Test (May 2014) from Av-Comparatives: http://www.av-comparatives.org/wp-content/uploads/2014/06/avc_per_201405_en.pdf just to give you an idea on how Avast will stack up against the competition.

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Avast Antivirus Free will use around 20 MB of RAM
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Avast Internet Security will use around 40 MB of RAM

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Avast Internet Security comes with more layers of protection (eg: Avast Firewall, Avast Safe Zone) so it's to be expected to use a little more RAM and CPU than the Free version which is more basic. With that said, the Internet Security version of Avast should offer a better protection..

Now, here are the results from the latest Performance Test (May 2014) from Av-Comparatives: http://www.av-comparatives.org/wp-content/uploads/2014/06/avc_per_201405_en.pdf just to give you an idea on how Avast will stack up against the competition.

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On this:
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Why isn't Norton in there?