I really don’t understand what the big deal is about the A4. ARM designed the chip, Apple customized it, and Samsung built it. How is that any different from any other phone or device manufacturer?
The A4 variant (an unfortunate name considering the A* naming convention in ARM chips) is just an A8-based chip with a setup specific to the iPhone or iPad’s PCB layout and processing needs. Apple doesn’t have fairy dust to sprinkle on it to make it anything more than that.
That said, however, there’s a lot more to a device than making the right hardware decisions. The Samsung Wave, it has been revealed, uses a very similar Samsung-made (obviously) 1GHz ARM A8 processor, putting it as near Apple’s A4 as can be. But do you think you’re going to have a similar user experience? No, silly! So much depends upon the UI designers and coders that the processor is really only a secondary consideration.
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