Bitdefender is the clear winner if you are looking for an antivirus solution with high malware detection rates and minimal impact on your system performance in addition to affordable cost. It also comes with unique features, such as shredders for files and webcam/microphone protection that blocks any suspicious requests.
Another important aspect is the ease to use your antivirus. Avast and Bitdefender both have a basic interface, but Bitdefender is a little more complex when it involves running scans. It took us longer to find the settings we required and setting up either a full scan or boot-time scan was a bit difficult.
In terms of support, Bitdefender’s customer support is more impressive than Avast’s. Its customer support phone line is able to speak various languages, and its knowledge base is extensive. Avast however, on the other side, limits its phone support to customers who pay and relying on its knowledge base and forums.