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Testing done by CNET
Labs focuses on how a given antivirus scan affects the performance of a few real-world tasks. To see how a given antivirus app performs
when stopping malicious code, we recommend viewing the latest test results
published by independent antivirus testing organizations AV-comparatives and
Checkvir.com.
Antivirus scan impact on system performance
To determine the impact an antivirus scan has on your test PC, we chose two popular apps--iTunes 6 and Sorenson Squeeze 4--and performed common tasks such as encoding music and compressing video. While performing these common tasks, we also performed both real-time scans and deep scans with the antivirus apps. Our real-time antivirus scans didn't show much degradation. However, our antivirus deep scans did offer some interesting differences.
2006 performance tests |
2007 performance tests
iTunes 6 deep-scanning performanceIn seconds (shorter bars indicate faster performance)
Sorenson Squeeze 4 deep-scanning peformanceIn seconds (shorter bars indicate faster performance)
Scan speed(In seconds (shorter bars indicate faster performance))
Boot speedIn seconds (shorter bars indicate faster performance)
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