The advantage with the V-4EX is that you have four different outputs that you can send different configuration of video outputs. Here is what each video output can send out:
HDMI OUTPUT - Can only send out your Program outputs mix
HDMI PVW OUTPUT - Can send out your Multi-view Quad View or Program
RGB/ COMPONENT OUTPUT - Can only send out your Program output mix
COMPOSITE VIDEO OUTPUT - Can send out your Multi-view Quad View or Program
USB VIDEO OUTPUT - Can send out your Multi-view Quad View or Program