Firewall: both are equal ( of cours Kaspersky Firewall even at 2017 version had a bug i don't know if its fixed now )
Database: Kaspersky is always win in this case
Behavior Blocker: Kaspersky System Watcher is enough to beat Emsisoft
Privacy? Oh my, my friend, if you care even a bit about your Privacy, you need to forget about Kaspersky and choose Emsisoft. thats a choice for sure
and Support: Kaspersky Support is Respectfull and helpful, Emsisoft Support is respectfull and helpful too, but as i remember their CTO ( Fabian Wosar ) was/is/will be a realy rude and ...
another thing which was bothering me about Emsisoft, is that they offer equal support to You ( as a paid customer ) and the others ( as another AVs customers ! ) you will have not any higher priority ! thats bad IMO. not bad, very bad !