AppleInsider has details on the chip inside the new iPhone 5, the most advanced mobile chip on the market:
If the new A6 uses Samsung’s more advanced 32nm process, it would explain how the much faster chip retains an 8 hour battery lifespan while packing on faster processors and LTE support, as well as how it could possibly be 22 percent smaller than the A5 as Apple said during the keynote.
The whole article is a must-read.