The new dual core A5 chip inside the iPad 2 is very fast, but as always, Apple isn't very forthcoming on its origin. UBM TechInsights dissected the chip and found it to be a Samsung fab. TechInsights also provided a cost breakdown of all the iPad 2 components.
There are many similarities between the A4 chip in the original iPad and the A5 in the iPad 2, but the main difference, of course, is that the A5 has dual cores. It also uses different DRAM.
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