Putting the two head on head there are different aspects one could take from each suite
Bitdefender gets regular updates almost every half hour while avast is about every 2 or 4
Avast has a sandbox and safe zone
Bitdefender has a built in page blocker
Bitdefender has backup,vulnerability scanner, encryption, tune up and a firewall that is not windows firewall
Bitdefender has 24/7 live technical support
Bitdefender gets regular updates almost every half hour while avast is about every 2 or 4
Avast has a sandbox and safe zone
Bitdefender has a built in page blocker
Bitdefender has backup,vulnerability scanner, encryption, tune up and a firewall that is not windows firewall
Bitdefender has 24/7 live technical support