Linked by Thom Holwerda on Tue 10th Sep 2013 18:25 UTC
Apple Apple's event is going on right now - and most of the new stuff already leaked weeks and months ahead of time. So, we're getting an iPhone 5S, an iPhone 5C, and iOS7 will be available later this month. I like the design of the 5C more than of the 5S; it's more playful, colourful - harking back to the coloured iMacs and PowerMac G3s. Too bad it doesn't come in red.

The fingerprint sensor in the 5S is interesting, but I wonder how accurate it will be in the real world; on top of that, with all the NSA news, I'm not particularly keen on Apple reading my fingerprint all the time. Supposedly, applications don't have access to it and it's not stored in the cloud, but I have little to no trust for companies.

The biggest news for me is the fact that the iPhone 5S has a new chip - the A7 - which has the honour of being the first 64bit chip inside a smartphone. iOS7 and first party Apple applications are all 64bit, and Xcode obviously supports it. While this obviously future-proofs the platform for more RAM, I wonder what other motives are involved here. ARM desktops and laptops, perhaps?

I doubt 64bit will provide much benefit today, but you have to hand it to Apple: at least they're done with the transition before it's even needed.

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RE[5]: so so
by chithanh on Thu 12th Sep 2013 13:36 UTC in reply to "RE[4]: so so"
chithanh
Member since:
2006-06-18

Why should I, as a user, care?

Of course a user does not care whether his device is 32 or 64 bit. He wants it to work smoothly and have all the great features, that's it.

And yes, I know they have more registers in the A7 so it should perform better,

No, ARM is not register starved so performance will probably not be better. If anything it will be worse, as memory bandwidth is an issue in mobile devices and 64 bit applications use more memory bandwidth.

I don't even think going 64-bit is about mobile devices - I think Apple has plans for their swift beyond mobile. I would almost bet money that ARM64 will start popping up as an available target for OSX fat binaries in xcode in the next release or two...

Short and mid term goals for going 64 bit are security, more RAM and GPGPU. These equally apply to mobile as to all other forms of personal computing.

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