# iPhone 18 Pro's A20 chip rumored to feature two major upgrades

New 2nm technology and WMCM packaging set to deliver performance boost.

- **Source:** [9to5Mac](https://brifing.si/source/59447403-ce5b-427c-8132-8614f549929a)
- **Published:** 2026-07-20
- **Topic:** [Business](https://brifing.si/c/business)
- **Original article:** <https://9to5mac.com/2026/07/20/iphone-18-pros-new-a20-chip-rumored-to-bring-two-major-upgrades/>
- **On Brifing:** https://brifing.si/s/869937c8-d389-44bb-9966-d52635009e79

## Chip technology revolution

Apple's A20 Pro chip for iPhone 18 Pro series will utilize TSMC's new 2nm manufacturing process. This transition will make the chip more powerful and energy efficient. Every nanometer reduction at this scale translates to significant performance leaps.

## Advantages of 2nm

Moving from current 3nm to 2nm allows more transistors in the same chip footprint, increasing processing power while reducing energy consumption. Apple's investment in this technology will benefit its entire product ecosystem.

## WMCM packaging technology

A20 Pro will be the first iPhone chip to use innovative Wafer-Level Multi-Chip Module packaging. This method integrates components like SoC and DRAM at wafer level, offering better thermal distribution and signal integrity than traditional approaches.

## Improved memory access

WMCM reduces physical distance between processor and memory modules, enabling faster data access particularly for AI processing and high-performance gaming. Users will experience smoother performance with lower power consumption.

## iOS 27 synergy

A20 Pro's AI-focused design perfectly complements iOS 27's AI-centric features. On-device machine learning models will operate faster and more efficiently, bringing noticeable improvements to Siri and other intelligent functionalities.

## Competitive edge

Apple's early investment in these chip technologies provides significant advantage over competitors. Users can expect longer battery life and higher performance. These innovations will strengthen iPhone's position in the premium smartphone market.

## Sources covering this story

- https://9to5mac.com/2026/07/20/iphone-18-pros-new-a20-chip-rumored-to-bring-two-major-upgrades/ — 

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_Summary written by Brifing from the original reporting. Copyright in the original article belongs to its publisher; read the full piece at the link above._
