Well I don't have an s3, but my s2 has a dual-core and it is BEAST. this thing don't slow down, but if i'm not careful about killing my apps all the time my battery shoots down the drain lol. though I believe s2 also has a 4.8" screen, most of the hardware specs sound the same to me...is s3 just a better software version of the s2? Cause I'm having troubles finding many differences. Well, other than that whole tap two s3s together and instantly share shizz