Rumor
iPhone A19 SoC rumored to utilize TSMC's N3P process for significant die shrink
Thursday, December 11, 2025 at 05:15 AM
The next-generation iPhone A19 System-on-a-Chip (SoC) is rumored to be manufactured on TSMC's N3P process technology, which is expected to result in a substantial reduction in die size.
Context
In a significant development for the semiconductor industry, Apple announced on September 9, 2025, that its new A19 and A19 Pro processors, powering the iPhone 17 series, are manufactured using TSMC's N3P 3nm node. This advanced node is an optical shrink of N3E, providing approximately 4% better transistor density and offering either a 5% performance boost or 5-10% power reduction for identical hardware. This move allows Apple to achieve a notable die shrink while enhancing chip capabilities.
Specifically, the A19 Pro is reported to be ~10% smaller than its predecessor, the A18 Pro, with the standard A19 being ~9% smaller than the A18. This reduction is achieved despite incorporating larger cache macros and some core area adjustments, demonstrating the efficiency gains from TSMC's N3P process. The ability to pack more transistors into a smaller area is crucial for mobile device innovation and power efficiency.
Market demand for the iPhone 17 series has been robust, leading Apple to increase its orders for A19 and A19 Pro chips by 4 million to 5 million units during October and November 2025. This surge prompted TSMC to adjust its production schedules, highlighting the strong performance and market reception of Apple's latest chips and the critical role of TSMC's leading-edge manufacturing capabilities.
Sources (10)
Apple's A19 and upcoming M5 chips - Jon Peddie ResearchA19 And A19 Pro Chips, Set To Power The iPhone 17 Lineup, Will ...Apple Announces A19 and A19 Pro SoCs - by Ryan SmithApple's iPhone SoC, which are by far the highest volume ...Apple A19 Pro die shot showcases smaller profile chip with ...iPhone 17 A19 Chips Bring 3nm Advancements - MacReview.comApple reportedly boosts A19 chip orders amid strong iPhone 17 salesApple's iPhone 17 and A19 chip: TSMC's 3 nm N3P ...
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