With an edge-to-edge design, there is no room for a Home button, so the iPhone X adopts an updated user experience. A swipe up at the bottom of the screen brings up the Home screen, while a swipe and a hold brings up App Switcher. There's a Tap to Wake feature for looking at notifications, the side button can be pressed and held to activate Siri, and the Control Center is accessed by swiping downwards from the top status bar. No Home button also means no Touch ID, so unlocking the device is done with a Face ID facial recognition system. Face ID uses the TrueDepth front-facing camera system to create a 3D map of your face that's used much like a fingerprint for unlocking the iPhone, authenticating Apple Pay purchases, making App Store purchases, and accessing passcode protected apps.įace ID uses infrared camera technology so it works in the dark. It also uses machine learning and detects your face with hats, glasses, beards, and other objects obscuring your face. The A11 chip includes a total of six cores, with two performance cores and four high-efficiency cores, including the neural engine.Īs an added layer of security, Face ID is " attention aware" and unlocks your iPhone only when you're looking at it.įace ID is powered by a state of the art dual-core neural engine built into the A11 Bionic chip, data stored in the Secure Enclave and all processing done on-device.īecause it uses a 3D map of the face, Face ID cannot be fooled by photos, masks, or other facial replicas. The performance cores are 25 percent faster than the A10, while the high-efficiency cores are 70 percent faster. An upgraded GPU is 30 percent faster, and there's 3GB of RAM in the device. With a second-generation Apple-designed performance controller, all six cores in the A11 chip can be accessed at the same time, resulting in much improved performance, especially when it comes to multi-threaded workloads. ![]() The A11 also features a faster GPU, an Apple-designed image signal processor and video encoder, an A11 motion coprocessor, and the Secure Enclave for Face ID. ![]() ![]() With efficiency improvements enabled by the A11 Bionic chip, the iPhone X offers two hours more battery life than the iPhone 7, but the battery falls short of the battery in the iPhone 7 Plus.
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