Close-up of Apple's M6 chip alongside A20 Pro chips on a reflective surface.

Apple’s M6 Chip Hints at Breakthroughs in Upcoming A20 Pro for iPhone 18

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Written by Sam Johnson

2026-09-06

Apple’s recent unveiling of the M6 chip marks a significant advancement, particularly showcasing features that will carry over to the A20 Pro chip planned for the iPhone 18 lineup. This strategic release, featuring this powerful chip, offers insights into the future capabilities of Apple’s technology, setting expectations for what’s to come.

Apple’s M6 chip and pioneering 2nm technology

The M6 is groundbreaking as their first chip developed with TSMC’s 2nm (N2) process, setting a precedent likely to be followed by the A20. This process enhances transistor density, promising more power in a compact size. Unlike typical debuts on the A-series, the shift to introducing N2 with a Mac mini alters Apple’s approach, suggesting confidence in the technology before it deploys to higher-volume products like the iPhone.

Possible neural engine enhancements with Apple’s M6 chip

This generation sees Apple experimenting with a Dual 16-core Neural Engine in the M6, allowing system frameworks a combined providing the potential for up to twice the peak compute. This advancement is supported by WMCM packaging, integrating multiple processing components on a single wafer, enhancing communication speeds and energy efficiency. While exciting, thermal and spatial constraints may limit the A20 Pro to a single engine configuration.

Incremental advances in AI and graphics

Apple’s latest processor delivers significant AI ability, though improvements from Neural Accelerators this time are more incremental than transformative. The architecture’s evolution with this chip continues with features like updated shader cores and enhanced ray tracing, balancing the A-series and M-series benefits for a consistent user experience across devices.

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Memory and media considerations

Memory bandwidth remains a focal point, with the M6 offering a slight 10% boost over its predecessor, indicating reliance on advanced LPDDR5X memory. While the increase might seem modest, it aligns with expectations for efficient data handling on mobile platforms. Notably, the decision to exclude AV1 encoding capabilities suggests a rare concession, likely sparing the A20 Pro from this feature as well.

Understanding these changes gives you a comprehensive view of what to expect from Apple’s next-generation devices. As technology pushes forward, such insights into the M6 offer a glimpse into how Apple’s innovations continue to shape user experiences.

Source: macrumors.com

Frequently asked questions

What process technology is used in Apple’s M6 chip?

The M6 chip is developed with TSMC’s 2nm (N2) process, enhancing transistor density and promising more power in a compact size.

Does the A20 Pro chip have the Dual 16-core Neural Engine?

While the M6 chip features a Dual 16-core Neural Engine, the A20 Pro may be limited to a single engine configuration due to thermal and spatial constraints.

Will the A20 Pro chip support AV1 encoding?

The M6 chip excludes AV1 encoding capabilities, suggesting that the A20 Pro will likely also be without this feature.