Apple A12X Bionic vs Apple A18

The Apple A12X Bionic, introduced in 2018, was primarily designed for high-end tablets like the iPad Pro.

Manufactured using a 7nm process, it is based on the A12 architecture with four performance and four efficiency cores and an 8 MB Level 2 Cache. The integrated Apple A12X graphics unit offers solid graphics performance for its generation with 68 GB/s memory bandwidth. In benchmarks, the Apple A12X Bionic shows respectable single-core and multi-core performance.

As a 7nm chip, it offers good energy efficiency. It can be found in older Apple devices, which are often available at a more affordable price, providing good value for money. The Apple A18 is a newer development for current iPhone models and mobile applications.

It is manufactured using the more advanced 3nm process and utilizes the Donan architecture with high-performance and high-efficiency cores. It features a 20 MB Level 2 Cache and a 24 MB Level 3 Cache. The integrated Apple A18 graphics unit with 5 GPU cores offers superior graphics performance thanks to its newer architecture, although the memory bandwidth is 60 GB/s.

Due to the more advanced manufacturing process, the Apple A18 achieves higher performance per watt, leading to better energy efficiency. It is part of the latest premium Apple devices.