iPhone 18 Pro Review: Variable Aperture and A20 Pro Chip

The iPhone 18 Pro and Pro Max bring the A20 Pro chip with up to 40% more CPU performance and double the memory bandwidth, improved thermals, and a 48MP Fusion main camera with variable aperture (f/1.48–f/4.0). The Dynamic Island is about a quarter smaller and now supports three Live Activities. Displays remain 6.3/6.9 inches at 120Hz.

• A20 Pro chip: up to 40% more CPU and double the memory bandwidth versus A19 Pro
• 48MP Fusion main camera adds variable aperture: f/1.48, f/1.8, f/2.8, f/4.0
• Dynamic Island shrunk by about a quarter, now supports three Live Activities
• Thermals improved: vapor chamber surface area tripled, chip and memory separated