11.94 cm (4.7-inch) Retina HD display Advanced single-camera system with 12MP Wide camera; Smart HDR 4, Photographic Styles, Portrait mode, and 4K video up to 60 fps 7MP FaceTime HD camera with Smart HDR 4, Photographic Styles, Portrait mode, and 1080p video recording A15 Bionic chip for lightning-fast performance Up to 15 hours of video playback Durable design and IP67 water resistance Home button with Touch ID for secure authentication iOS 15 packs new features to do more with iPhone than ever before