Which one of these two is better on overall protection and system resource usage
I used Avast for a while but with the new 2015 version I got very slow boot time and switched to AVG ( found a 1 year key on a giveaway ) so what do you think ?

I used Avast for a while but with the new 2015 version I got very slow boot time and switched to AVG ( found a 1 year key on a giveaway ) so what do you think ?