Apple A18

Apple A18 series
General information
Launched	September 9, 2024
Designed by	Apple Inc.
Common manufacturer	TSMC;
Product code	A18: Tupai; A18 Pro: Tahiti
Max. CPU clock rate	to 4.04 GHz
Physical specifications
Transistors	A18: 15.2 billion ; A18 Pro: 20 billion;
Cores	6 cores (2 performance @4.04 GHz + 4 efficiency @2.42 GHz);
Memory (RAM)	8 GB;
GPUs	A18 4-core (iPhone 16e) ; 5-core (iPhone 16, iPhone 16 Plus) ; A18 Pro 5-core: (MacBook Neo) ; 6-core: (iPhone 16 Pro, iPhone 16 Pro Max) ;
Co-processor	NPU: 35 TOPS
Cache
L2 cache	A18: 8 MB (performance cores) ; A18 Pro: 16 MB (performance cores) ; 4 MB (efficiency cores)
Last level cache	A18: 12 MB (system level cache); A18 Pro: 24 MB (system level cache)
Architecture and classification
Application	Mobile (iPhone); Laptop (MacBook Neo); A18 iPhone 16 ; iPhone 16 Plus ; iPhone 16e ; A18 Pro iPhone 16 Pro ; iPhone 16 Pro Max ; MacBook Neo ;
Technology node	3 nm (TSMC N3E)
Instruction set	ARMv9.2-A
History
Predecessors	Apple A17 Pro (iPhone 15 Pro, iPhone 15 Pro Max); Apple A16 Bionic (iPhone 15, iPhone 15 Plus); Apple A15 Bionic (iPhone SE (3rd generation))
Successors	Apple A19 (iPhone 17, iPhone 17e) ; Apple A19 Pro (iPhone Air, iPhone 17 Pro, iPhone 17 Pro Max)

The Apple A18 and Apple A18 Pro are a pair of 64-bit ARM-based system on a chip (SoC) designed by Apple Inc., part of the Apple silicon series. They are used in the iPhone 16, iPhone 16 Pro, iPhone 16e, and MacBook Neo, built on a second generation 3 nm process by TSMC. Announced on September 9, 2024 and February 19, 2025, they are the successors to the Apple A15 Bionic (exclusively on the entry-level iPhone models with 4-core GPU), Apple A16 Bionic (exclusively on the standard iPhone models with 5-core GPU) and the Apple A17 Pro (exclusively on the premium iPhone models with 6-core GPU) processors, respectively.