Battle Lightest antivirus 2014

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Avira can sometimes cause a considerable delay while the computer is doing post login jobs (auto startup of apps, system apps etc) and a quick scan is being started.
I experienced this yesterday after a some days not using my laptop.
 
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I love how no one mentionned Cloud Antiviruses such as a Panda Cloud Antivirus ... ?

Cloud Antiviruses are the lightest Antiviruses you'll find as everything is done on their server-side and not on your computer, so resources are barely used.

Also, Windows Defender itself is more of an Antimalware rather than an Antivirus if you read its Help menu, lol.
 
Avast! Free

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The Lightest antivirus depends on your system configuration and O.S installed. All test results that claims about the lightest antivirus are done on different hardware (especially installed RAM), and may not exactly fall in line with real-world results corresponding to your PC>
 
I love how no one mentionned Cloud Antiviruses such as a Panda Cloud Antivirus ... ?

Cloud Antiviruses are the lightest Antiviruses you'll find as everything is done on their server-side and not on your computer, so resources are barely used.

Also, Windows Defender itself is more of an Antimalware rather than an Antivirus if you read its Help menu, lol.

Contrary to the opinion cloud antiviruses being light, Panda didn't fare well at PC Mark tests and performance tests at AV-Tests and AV-Comparitives...

AV-Comparatives Performance Test (Panda came below the middle rung)
AV-Test Performance (Panda came last)

Same results on my test-machine too.
 
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MSE, Avast, Roboscan, Dr. Web, Bitdefender Free, Bitdefender IS - all seemed about the same speed except Bitdefender IS, which had a noticeable slowdown effect.
 
System specs matter more than what AV may, or may not be light. I have a 32GB HD so to me Kaspersky is very light, others it's very heavy. I think the general consensus is avast! and Eset are very light; and both are very good.

Tony :)
 
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System specs matter more than what AV may, or may not be light. I have a 32GB HD so to me Kaspersky is very light, others it's very heavy. I think the general consensus is avast! and Eset are very light; and both are very good.

Tony :)

Avast has an interesting "flushing" technique, where memory usage goes back to 5MB every 10seconds...I like it :D
 
AVG Free and Avast Free are two antivirus those are extremely light.

Many people thinks "Panda" is light because it's cloud Antivirus. But I used Panda Pro ( Promotional) and found it's not at all light.
 
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Don't let them fool you by that chart.
Anyone who tells me Bitdefender 2015 is in top 3 list of Lightest Antivirus I will ask them to show proof. I don't believe in Paid Charts.

BitDefender won't even be able to scan a file on a system with 256MB of RAM, without hanging. One of my oldies.... [Well each antivirus will give an optimal system that it will work comfortably but still]

Performance tests should be done on low-end systems..
 
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