First of all, developers have described the PSP2 as a very powerful machine that could stand running the likes of Uncharted 3. Moreover, the PSP 2 is carrying a codename of 'Veta'. The revelations come via an article in the magazine which is titled 'Playstation's new portable'. This is also supported by revalations online that the PSP2 has more internal memory than the Xbox 360 (1GB).
sOURCE: GAMEINFORMER
sOURCE: GAMEINFORMER