Prevx vs ThreatFire … what they do that the other can't?

Question

http://www.prevx.com/ Prevx

http://www.threatfire.com/ ThreatFire

Answer 1

Zero day threats on ThreatFire, it doesn't need signatures to identify a threat.

Answer 2

Well u can take a look at these videos that show a real malware attack against PrevX and ThreatFire

ThreatFire

PrevX