The A17 chip is the latest processor from Apple, powering the iPhone 15 Pro and iPhone 15 Pro Max models. It is the first widely available 3-nanometer chip, boasting 19 billion transistors and a 6-core CPU, with two high-performance cores and four high-efficiency cores. It also features a new GPU with a custom shader architecture, which supports mesh shading, hardware-accelerated ray tracing, and more. The A17 Pro chip is designed to deliver fast performance, stunning graphics, and long battery life for the iPhone 15 Pro models.

Features of the A17 Pro chip

The A17 chip has several features that make it stand out from its predecessors and competitors.
Some of these features are:

3-nanometer process: The A17 chip is the first to use a 3-nanometer process, which means that the transistors are smaller and more densely packed than ever before. This allows for more performance and efficiency in a smaller space, reducing power consumption and heat generation.

6-core CPU: The A17 chip has a 6-core CPU, with two high-performance cores running at 3.2 GHz and four high-efficiency cores running at 1.8 GHz. The high-performance cores are up to 10% faster than the A16 Bionic chip, while the high-efficiency cores are up to 20% more power-efficient. The CPU can dynamically switch between the cores depending on the workload, optimizing for speed or battery life.

New GPU: The A17 chip has a new GPU with a custom shader architecture, which has six cores and is up to 20% faster than the A16 Bionic chip. The GPU supports mesh shading, which allows for more complex and realistic scenes with less overhead. It also supports hardware-accelerated ray tracing, which enables realistic lighting and shadows in games and apps. The GPU can also work together with the neural engine for upscaling images and videos.

USB 3 controller: The A17 chip has a USB 3 controller that enables up to 10 Gbps data transfer speeds over the USB Type-C port on the iPhone 15 Pro models. This allows users to quickly move pro-grade video to a Mac or record directly to external storage. It also supports 4K60 ProRes video recording and playback.

Second-generation ultra-wideband chip: The A17 chip has a second-generation ultra-wideband chip that improves the precision and security of spatial awareness features. This enables users to find their iPhone or other devices with Find My, share their location with other people, or unlock their car or home with digital keys.

Comparison of older chips

ProcessorProcessTransistorsCPU coresCPU speedGPU coresGPU speed
A17 Pro3nm19 billion62×3.2 GHz + 4×1.8 GHz6Unknown
A16 Bionic4nm15 billion62×3.5 GHz + 4×2.0 GHz5Unknown
A15 Bionic5nm15 billion62×3.2 GHz + 4×1.8 GHz5 or 4Unknown
A14 Bionic5nm11.8 billion62×3.1 GHz + 4×1.8 GHz4Unknown
A13 Bionic7nm8.5 billion62×2.7 GHz + 4×1.7 GHz4Unknown
A12 Bionic7nm6.9 billion62×2.5 GHz + 4×1.6 GHz4Unknown
A11 Bionic10nm4.3 billion62×2.4 GHz +4×1.7 GHz3Unknown
A10 Fusion16nm3.3 billion42×2.3 GHz +2×1.1 GHz6Unknown
A914/16nm1.9/2.0 billion21.85 GHz6Unknown
A820nm2 billion21.4 GHz4Unknown

The A17 chip is the most advanced processor that Apple has ever made for the iPhone, but how does it compare to older chips? Here is a table that shows some of the key specifications of the A-series chips from the iPhone X to the iPhone 15 Pro.


The A17 chip is a remarkable achievement for Apple, as it showcases the company’s innovation and leadership in chip design and fabrication. The A17 chip offers a significant improvement in performance, graphics, and efficiency over previous generations, enabling the iPhone 15 Pro models to deliver amazing features and experiences for users. The A17 chip is the ultimate processor for the ultimate iPhone.

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