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Apple chose glass for the body of the iPhone 8 and the iPhone 8 Plus to enable a Qi-based inductive wireless charging feature, which allows the two devices to be charged when placed atop any Qi-certified inductive charger.
Inside the iPhone 8 and iPhone 8 Plus, there’s a six-core A11 Bionic chip, which Apple at launch said was the smartest, most powerful chip ever introduced in a smartphone. There are two performance cores that are 25 percent faster than the A10 Fusion chip in the iPhone 7, and four efficiency cores that are 70 percent faster.
With a second-generation performance controller, all six cores can be harnessed at the same time for much improved speeds when handling multi-threaded workloads. There’s an Apple-designed 3-core GPU that’s 30 percent faster than the previous-generation GPU, and two of the cores, the Neural Engine, make machine learning tasks faster than ever before.