The only major difference is the transfer speed. Fakes will take you ages to complete the transfer of your legally backed-up game from your computer, while oris will need significantly lesser time. IIRC so far, no major complaints about in-game speed.

All PSP sifus pls help.
My newly bought PSP after play for a week but last nite the memory stick not working anymore, can't be format. This happen after I started to found few games not working and I backup it using PC and try to format the  memory stick. Is that possible the fake memory stick already con ? and is that possible to rectified or else I need to claim from the shop? Thx.