Apple A19

Apple A19 series
General information
Launched	September 19, 2025
Designed by	Apple Inc.
Common manufacturer	TSMC;
Product code	A19: Tilos; A19 Pro: Thera
Max. CPU clock rate	to 4.26 GHz
Physical specifications
Transistors	A19: Unknown; A19 Pro: Unknown;
Cores	6 Core CPU (2 performance cores & 4 efficiency cores);
Memory (RAM)	A19: 8GB LPDDR5X-8533; A19 Pro: 12GB LPDDR5X-8533/9600 (8533 for iPhone Air);
GPUs	A19 4-core (iPhone 17e) ; 5-core (iPhone 17) ; A19 Pro 5-core: (iPhone Air) ; 6-core: (iPhone 17 Pro, iPhone 17 Pro Max) ;
Co-processor	16-core Neural Engine, Apple N1 (wireless), Apple C1X (cellular, iPhone Air and 17e only)
Cache
L2 cache	A19: 8 MB (performance cores) ; 4 MB (efficiency cores) ; A19 Pro: 16 MB (performance cores) ; 6 MB (efficiency cores)
Last level cache	A19: 12 MB (L3 cache); A19 Pro: 32 MB (L3 cache)
Architecture and classification
Application	Mobile; A19 iPhone 17 ; iPhone 17e ; Studio Display ; A19 Pro iPhone Air ; iPhone 17 Pro ; iPhone 17 Pro Max ; Studio Display XDR ;
Technology node	3 nm (TSMC N3P)
Instruction set	ARMv9.4-A
History
Predecessors	Apple A18 Pro (iPhone 16 Pro); Apple A18 (iPhone 16, iPhone 16e)

The Apple A19 and Apple A19 Pro are a pair of 64-bit ARM-based system on a chip (SoC) designed by Apple Inc., part of the Apple silicon series. The A19 is used in the iPhone 17 and iPhone 17e, while the A19 Pro is used in the iPhone 17 Pro, iPhone 17 Pro Max, and iPhone Air. Both chips are manufactured by TSMC using the N3P variant of their 3 nm process node. Announced on September 9, 2025, they are the successors to the Apple A18 and Apple A18 Pro processors, respectively.