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Apple Announces A20 Pro, Its First 2nm iPhone Chip

Built on TSMC’s N2 process with WMCM-style packaging and a wider memory bus, the A20 Pro is designed to raise sustained performance and improve battery life.

Overview

  • Apple announced the A20 Pro on Wednesday, September 9, 2026, confirming it as the company’s first 2-nanometer iPhone system-on-chip and the new flagship for the iPhone 18 Pro, 18 Pro Max and the foldable iPhone Duo.
  • The chip uses a six-core CPU (two high-performance cores and four efficiency cores), a seven-core GPU and two neural engines that together total 32 neural cores, with Apple saying the CPU and GPU deliver sizable generational gains.
  • Apple pairs WMCM-style packaging with a wider 96-bit LPDDR5X memory interface to boost on-device bandwidth by roughly 50 percent and to keep memory out of the chip’s main thermal path for higher sustained throughput.
  • Apple confirmed a new in-house C2 cellular modem replacing Qualcomm’s modem, saying C2 cuts modem energy use by about 15 percent, improves upload speeds and adds U.S. mmWave support for high-bandwidth connections.
  • The company tied the A20 Pro to device-level changes for the foldable Duo—under-display FaceTime camera, Touch ID, eSIM-only worldwide, dual batteries and Apple Pencil support—with iPhone 18 Pro models shipping September 18 and the Duo available for preorder October 16 with an October 23 launch.