As you may know 32-bit CPUs has a quite memory addressing limit around 4GB, as smartphones and ARM hardware in general slowly comes to this border, so slowly we need 64bit ARM CPU. In fact it's under development. Under shadow of smartphone market... new ARMv8 CPU is under development, one of main new features is 64-bit version of ARM architecture 
Spec are out for quite some time no, theres no real hardware yet (maybe prototypes?), but next Linux 3.7 will introduce the initial support for 64-bit ARM architecture (for some odd reasons it's offically named AArch64) :
https://lkml.org/lkml/2012/7/7/81
I guess they build it according to specs and as always Linux will be first to support latest tech goodies
Ofcorse this means the gate to 64-bit world for Android will now open (And it will take time to see that.... considering Atom is already 64-bit now and we dont see 64-bit Androis yet ). And same as it was with x86 PCs manufacture will marketing as hell out of it they will forget about cores for moment and place 64 in front of your face, it will be next big thing Ofcorse it's still far song of the future it might takes years before we see first 64-bit phone and tablet. But yeah ot's a future and i guess it's worth to make thread about it ;]
Spec are out for quite some time no, theres no real hardware yet (maybe prototypes?), but next Linux 3.7 will introduce the initial support for 64-bit ARM architecture (for some odd reasons it's offically named AArch64) :https://lkml.org/lkml/2012/7/7/81
I guess they build it according to specs and as always Linux will be first to support latest tech goodies
Ofcorse this means the gate to 64-bit world for Android will now open (And it will take time to see that.... considering Atom is already 64-bit now and we dont see 64-bit Androis yet ). And same as it was with x86 PCs manufacture will marketing as hell out of it they will forget about cores for moment and place 64 in front of your face, it will be next big thing Ofcorse it's still far song of the future it might takes years before we see first 64-bit phone and tablet. But yeah ot's a future and i guess it's worth to make thread about it ;]
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