But its full-scan slowdown is 29%, tied with Avast Free Antivirus for last. Its background impact is only 2%, the best after Kaspersky. Meanwhile, Bitdefender Antivirus Free Edition doesn't have a quick-scan option. But it had a very respectable full-scan slowdown of 20% and a quick-scan one of 13%. Microsoft Defender Antivirus, aka Windows Defender, can't really be measured for background system impact because it's built right into Windows 10 and 11. In other words, you'd be trading a small amount of permanent background noise for huge slowdowns during full scans, which you could schedule to happen only at night while the computer is idling.Įstablishing the second-place finisher among the free programs is even more muddled. On the other end of the scale were McAfee Total Protection and Trend Micro Maximum Security, which had background impacts in the single digits, yet full-scan slowdowns of 96% and 57%, respectively. Two of them, Bitdefender Total Security and Kaspersky Total Security, had relatively high post-installation background system impacts, of 19% and 12%, respectively, yet traded that for fairly light impacts - 33% and 26% - during system scans. It's hard to determine a second place among the paid programs. But Avast's full-scan slowdown was the heaviest at 53%, while AVG's was less than half that at 25%. Likewise, Avast Free Antivirus (4.4%) had less of a background impact than its sibling AVG AntiVirus Free, (5.2%). You wouldn't notice ESET's 12% hit unless you were intensively using the processor already. You'd probably notice that full-scan slowdown even if you were just checking email.
But McAfee's full scan hit our test laptop like a ton of bricks, slowing it down by 96%. For example, McAfee Total Protection had a relatively light background impact, slowing down the Lenovo laptop by only 9% after installation. Most other programs were less consistent in their rankings.
Kaspersky Security Cloud Free's full-scan system impact was a barely noticeable 6% its quick-scan impact was a barely measurable 1%. It actually sped up the system a bit after installation, indicating that it may be more efficient than the built-in Microsoft Defender Antivirus, which runs by default but deactivates itself if a third-party antivirus program is installed. Kaspersky Security Cloud Free was the undisputed winner in the free categories, beating all rivals in passive, full-scan and quick-scan impacts. Kaspersky did have the second-lightest full-scan impact in the bunch, however. The lightest quick-scan impact among paid programs was held by Kaspersky Total Security at 22%, a percentage that was nearly twice as much as ESET's full-scan impact. That may be because ESET doesn't have a quick-scan option. Among paid antivirus programs, ESET was not the fastest in all three categories that we measured: passive system impact, full-scan system impact and quick-scan system impact.
0 kommentar(er)
