iPhone phones equipped with the A12 Bionic processor include the iPhone XS, the 6.5-inch iPhone XS Max, and the 6.1-inch iPhone XR. The CPU of the A12 processor is a six-core design. Two of the large performance cores are 15% faster and 40% lower in power consumption than the previous generation. The power consumption of the four energy-efficient small cores can be reduced by up to 50%; A12 Bionic uses 7 Nano-process technology chips improve energy efficiency and performance.
#The operating environment of this tutorial: IOS 15 system, iPhone XS mobile phone.
iPhone phones equipped with the A12 Bionic processor include the iPhone XS, the 6.5-inch iPhone XS Max, and the 6.1-inch iPhone XR.
A12 Bionic (A12 Bionic) is the industry's first 7nm process chip launched by Apple in 2018, integrating 6.9 billion transistors.
A12 Bionic is installed in iPhone XS, iPhone XS Max, iPhone XR, iPad mini (fifth generation), iPad (eighth generation), iPad Air (third generation) and Apple TV 4K (second generation). Generation) on. The 6-core central processor, 4-core graphics processor and 8-core neural network engine included in the A12 Bionic are all independently developed by Apple.
The CPU of the A12 processor is a six-core design, of which two high-performance cores are 15% faster and 40% lower in power consumption than the previous generation, and four are energy-efficient. The core's power consumption can be reduced by up to 50%. It is worth noting that the GPU of this processor is independently developed by Apple. Its performance is 50% higher than that of the previous generation. It supports multi-layer rendering and lossless compression, and the improvement is much higher than that of the CPU.
A12 Bionic uses a 7-nanometer process chip to improve energy efficiency and performance. A12 Bionic adopts a six-core fusion architecture. The speed of two performance cores is increased by up to 15%, the energy saving of four energy-efficiency cores is up to 50%, and the graphics performance of the four-core graphics processor is increased by up to 50%. It is also equipped with Apple The company designs image signal processors (ISPs) and video encoders, etc.
In addition to these regular upgrades, the A12 processor has also begun to work on artificial intelligence, upgrading the dual-core neural network on the A11 to 8 cores (named Neural Engine), which can complete five trillion operations per second. operation, the overall performance is improved by 30%. Thanks to the blessing of Neural Engine, the A12 processor has unique advantages in machine learning, which can make great progress in Siri, photography, games, etc.
In order to take the security of the new iPhone to a higher level, the A12 processor has made a big fuss on Face ID. With the support of Neural Engine and safe partition, Face ID has learned 2 billion pictures. It can easily defend against various intrusions and is sufficient to meet the security needs of our daily lives.
A12 is not just a central processing unit, or a simple "performance monster", but also includes a graphics processor, Neural Engine, image signal processor, depth engine, security isolation, video processor, video Encoder, storage controller and other functions.
Extended knowledge: Neural Network Engine
A11 Bionic is equipped with a dual-core neural network engine, but the A12 Bionic neural network engine has eight cores. Next-generation neural engine is built for advanced machine learning for photography, augmented reality and more. It can perform five trillion operations per second, compared to 600 billion operations per second for A11 Bionic. Core ML, running on A12 Bionic's Neural Engine, is up to nine times faster than A11 Bionic, but uses one-tenth the power of A11 Bionic.
The new A12 Bionic also includes a new image signal processor for the camera and supports up to 512GB of body storage.
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