The iPhone 17 series is reported to stick with TSMC’s 3nm node, though Apple is expected to move to the new ‘N3P’ variant, which means that the A19 and A19 Pro will not transition to the 2nm technology next year. As for 2026, when the technology giant is said to unveil the iPhone 18, the new chipsets, which will chronologically be named A20 and A20 Pro, are said to tout the new lithography, along with gravitating to a new packaging by ditching InFo, or Integrated Fan-Out.
One of the reasons why Apple is not immediately jumping to the 2nm manufacturing process in 2025 for the iPhone 17 lineup is due to high wafer costs, so it will likely be reserved for some iPhone 18 models. According to a Weibo user with a handle that is machine translated into ‘Mobile phone chip expert,’ the A20 and A20 Pro, which are expected to be unveiled two years from now, will not just leverage TSMC’s 2nm technology but will also flaunt a new WMCM, Wafer-Level Multi-Chip Module, and a 12GB RAM upgrade.
The current-generation A18 and A18 Pro employ TSMC’s InFo technology, which allows for the integration of components within the package. The main focus is single-die packaging, where memory is typically attached to the main SoC, with the DRAM placed on top or near the CPU and GPU cores. This approach optimizes size reduction while improving performance.
As reported by MacRumors, WMCM, or Wafer-Level Multi-Chip Module, integrates multiple chips within the same package. This allows for the development of more complex chipsets, with components such as the CPU, GPUs DRAM, Neural Engine and others to be integrated in one package. Apple might choose this packaging because it allows for greater flexibility in arranging various chips.
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