here is a good link go to it and on the right under the pic of the two bows click the link for the comparison chart. that will help you out as far as the riser its basically a hoyt riser reflex is a division of hoyt so they are cheap in price but not cheaply made they are not the fastest bows out there but they will shoot just as good.
http://www.outdoorlife.com/outdoor/g...s-0020,00.html