Apple A12X Bionic vs Apple A14 Bionic

The Apple A12X Bionic (A12 architecture), introduced in 2018, was developed for the iPad Pro and targeted professional users.

Manufactured using the 7-nm process, it has 8 MB of L2 cache and a maximum memory bandwidth of 68 GB/s for its integrated Apple A12X graphics unit. The Apple A14 Bionic (A14 Firestorm/Icestorm architecture), released in 2020, can be found in high-end smartphones and tablets and serves a wider audience.

It is manufactured using the more advanced 5-nm process, features 12 MB of L2 and 16 MB of L3 cache, and a maximum memory bandwidth of 34 GB/s for its integrated Apple A14 graphics unit. In performance comparison, the Apple A14 Bionic surpasses the A12X Bionic in single-core performance by over 10 percent, while multi-core performance is very similar.

The A12X Bionic shows a slight advantage in Cinebench R23 single-core tests. For gaming, the Apple A14 Bionic offers advantages in energy efficiency and more stable performance due to its newer architecture and 5-nm process. The A12X Bionic benefits from its significantly higher memory bandwidth. The Apple A14 Bionic is generally more energy-efficient.

A separate evaluation of the price-performance ratio is not practical. Summary and Recommendation The Apple A12X Bionic offers strong multi-core performance and high memory bandwidth, suitable for graphics-intensive applications. The Apple A14 Bionic features superior single-core performance and improved energy efficiency, ideal for modern smartphones and tablets.

For current apps, the Apple A14 Bionic is the more future-proof option.