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Bitdefender and Avira both provide top-tier malware detection rates, efficient real-time protection and reliable ransomware defense. Both are simple to use so even those new to cybersecurity can begin in no time. Additionally, both offer numerous additional features like a VPN and file shredder, additional privacy security and one-click optimization.

Avira and Bitdefender both have excellent overall scores in independent labs for testing. In this test, Bitdefender wins due to its superior performance in the AV Comparatives' Performance Test. This test tests the impact security software has on a computer's performance. Its low impact score indicates that it runs in the background without slowing down your computer -- unlike some of its rivals.

The test also determines the amount of impact each product's performance has on the performance of your system when you perform routine computer tasks like downloading files from websites, and copying files. Bitdefender was the only contender to pass the test with a clean score. Avira was a close second.

Both companies provide a high level of customer support. Avira provides a YouTube channel as well as an information base, while Bitdefender has a complete support center that includes a phone number as well as live chat support. email support and videos that demonstrate the use of the product. The support hub is organized by product, so you can quickly find the assistance you need.