I never owned retron 5 or game freak so take my opinion very very lightly I have used older retrons regularly and I like them they are however light and cheap feeling I don't know about the retron 5 it might be heavier and better constructed but I just looked into the retro freak and its fn insane and I'm seriously considering hunting one down the features are way superior to the retron it has a built in rom dump and save memory ect along with all the compatibility with games as the retron 5 plus pc engine, turbo grafx, and super turbo grafx it has remappable controls and support for wired usb controllers if Newsdee could share his/her/their opinion on the way games run on the system I probably buy one of these myself plus I found the retro freak averaging around $120 and retron 5 averaging around $150 so you get more bang for your buck