beautiful 5.8-inch Super Retina display2 is the first OLED panel that rises to the standards of iPhone, with stunning colors, true blacks, a million-to-one contrast ratio and wide color support with the best system-wide color management in a smartphone. The HDR display supports Dolby Vision and HDR10, which together make photo and video content look even more amazing.
DISPLAY    
Type : Super AMOLED capacitive touchscreen, 16M colors
Size: 5.8 inches, 84.4 cm2 (~82.9% screen-to-body ratio)
Resolution: 1125 x 2436 pixels, 19.5:9 ratio (~458 ppi density)
Multitouch: Yes
Protection:  Scratch-resistant glass
 Dolby Vision/HDR10 compliant
Wide color gamut display
3D Touch display
True-tone display
PLATFORM    
OS: iOS 11.1
Chipset: Apple A11 Bionic
CPU: Hexa-core (2x Monsoon + 4x Mistral)
GPU : Apple GPU (three-core graphics)
MEMORY    
Card slot: No
Internal: 256GB 
3GB RAM
CAMERA 
Primary: Dual 12 MP, f/1.8 & f/2.4, phase detection autofocus, OIS, 2x optical zoom, quad-LED (dual tone) flash
Features:  Geo-tagging, simultaneous 4K video and 8MP image recording, touch focus, face/smile detection, HDR (photo/panorama)
Video:  2160p@24/30/60fps, 1080p@30/60/120/240fps
Secondary:  7 MP, f/2.2, 1080p@30fps, 720p@240fps, face detection, HDR, panorama.