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AV-Comparatives: Performance Test April 2020
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[Image: avc-logo.png]

Introduction

The Performance Test evaluates the impact of anti-virus software on system performance, as programs running in background – such as real time protection antivirus software – use some percentage of system resources. Taking these tests as reference, users can evaluate their anti-virus protection in terms of system speed (system performance). 

For further details please refer to the methodology documents as well as the information provided on our website.

Please note: We want to make clear that the results in this report are intended only to give an indication of the impact on system performance (mainly by the real-time/on-access components) of the consumer security products in these specific tests. Users are encouraged to try out the software on their own PC’s and see how it performs on their own systems. This test includes both “Antivirus” and “Internet Security” consumer products – both referred to as security products.

We have tested the same products that are included in the protection tests of the Consumer Main Test Series. Please note that the results in this report apply only to the specific product versions listed above (i.e. to the exact version numbers and to 64-bit systems). Also, keep in mind that different vendors offer different (and differing numbers of) features in their products. 

The following activities/tests were performed under an up-to-date Windows 10 1909 64-Bit system: 
  • File copying 
  • Archiving / unarchiving 
  • Installing / uninstalling applications 
  • Launching applications 
  • Downloading files 
  • Browsing Websites 
  • PC Mark 10 Professional Testing Suite 
Test Procedure

The tests were performed on a machine with an Intel Core i3 CPU, 4GB of RAM and SSD hard disks. We consider this machine configuration as low-end. The performance tests were done on a clean Windows 10 1909 64-Bit system (English) and then with the installed consumer security software (with default settings). The tests were done with an active Internet connection to allow for the real-world impact of cloud services/features. 

Care was taken to minimize other factors that could influence the measurements and/or comparability of the systems. Optimizing processes/fingerprinting used by the products were also considered – this means that the results represent the impact on a system which has already been operated by the user for a while. The tests were repeated several times (with and without fingerprinting) in order to get median values and filter out measurement errors. After each run, the workstation was reverted to the previously created system image and rebooted six times. We simulated various file operations that a computer user would execute: copying different types of clean files from one place to another, archiving and unarchiving files, downloading files from the Internet and launching applications (opening documents).  

We believe that increasing the number of iterations increases our statistical precision. This is especially true for performance testing, as some noise is always present on real machines. We perform each test multiple times and provide the median as result. 

We also used a third-party, industry-recognized performance testing suite (PC Mark 10 Professional) to measure the system impact during real-world product usage. We used the predefined PCMark 10 Extended test. Readers are invited to evaluate the various products themselves, to see what impact they have on their systems (due to e.g. software conflicts and/or user preferences, as well as different system configurations that may lead to varying results).  

Security products need to load on systems at an early stage to provide security from the very beginning – this load has some impact on the time needed for a system to start up. Measuring boot times accurately is challenging. The most significant issue is to define exactly when the system is fully started, as many operating environments may continue to perform start-up activities for some time after the system appears responsive to the user. It is also important to consider when the protection provided by the security solution being tested is fully active, as this could be a useful measure of boot completion as far as the security solution is concerned. Some security products load their services very late at boot (or even minutes later). Users may notice that sometime after the system has loaded, it will become very slow for a little while; thus, it initially looks as though the system has loaded very quickly, but in fact the security product just loads its services belatedly, leaving the system more vulnerable. As we find this misleading, we still do not publish boot times in our reports. 
  • We use around 5GB of data consisting of various file types and sizes (pictures, movies, audio files, MS Office documents, PDF documents, applications/executables, Windows operating system files, archives, etc.).
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