1. Processor Power iPhone 16: A17 Bionic chip (3nm, faster AI/ML performance). iPhone 15: A16 Bionic chip (4nm).

1. Camera Upgrade iPhone 16: 48MP main sensor + improved low-light capture. iPhone 15: 48MP main sensor (no telephoto).

1. Battery Life iPhone 16: Up to 22 hours video playback (A17 efficiency boost). iPhone 15: Up to 20 hours video playback.

1. Software iPhone 16: Ships with iOS 18 (AI-powered photo tools, smarter Siri). iPhone 15: Compatible with iOS 18 but lacks hardware-specific features.

1. Design iPhone 16: Sleeker aluminum edges + new "Desert Gold" color option. iPhone 15: Matte aluminum finish, no titanium option (Pro models only).

1. Display iPhone 16: 6.1" Super Retina XDR (120Hz ProMotion on Pro models only). iPhone 15: Same display tech but no ProMotion in base model.

1. Connectivity iPhone 16: Wi-Fi 6E + faster 5G. iPhone 15: Wi-Fi 6 + standard 5G.

1. Storage iPhone 16: Starts at 128GB, up to 1TB (Pro models). iPhone 15: Same storage tiers, max 1TB (Pro).

1. Price iPhone 16: Starts at $799 (same as iPhone 15’s launch price). iPhone 15: Now discounted to ~$699 (varies by retailer).