| OS | iOS 11.0.2 |
| Chipset | Apple A11 Bionic |
| CPU | Hexa-core (2x Monsoon + 4x Mistral) |
| GPU | Apple GPU (three-core graphics) |
| 2G | Yes |
| 3G | Yes |
| 4G | Yes |
| Dimensions | 143.6 x 70.9 x 7.7 mm |
| Weight | 174 g |
| SIM | Nano-SIM |
| Colors | Space Gray, Silver |
| Technology | Super AMOLED capacitive touchscreen, 16M colors, Multitouch |
| Size | 5.8 inches, 84.4 cm2 |
| Resolution | 1125 x 2436 pixels, 19.5:9 ratio (~458 ppi density) |
| Multitouch | Yes |
| Built-in | 64/256 GB |
| Card | No |
| RAM | 3GB |
| Back | Dual 12 MP, f/1.8 & f/2.4, phase detection autofocus, OIS, 2x optical zoom, quad-LED (dual tone) flash |
| Front | 7 MP, f/2.2, 1080p@30fps, 720p@240fps, face detection, HDR, panorama |
| Video | 2160p@24/30/60fps, 1080p@30/60/120/240fps |
| Features | Geo-tagging, simultaneous 4K video and 8MP image recording, touch focus, face/smile detection, HDR (photo/panorama) |
| Bluetooth | 5.0, A2DP, LE |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, hotspot |
| GPS | Yes, with A-GPS, GLONASS, GALILEO, QZSS |
| Radio | No |
| USB | 2.0, proprietary reversible connector |
| NFC | Yes (Apple Pay only) |
| Data | GPRS, Edge, 3G HSPA, 4G LTE-A, EV-DO Rev.A 3.1 Mbps |
| Alert types | Vibration, proprietary ringtones |
| Loudspeaker | Yes, with stereo speakers |
| 3.5mm jack | No |
| Capacity | 2716 mAh |
| Talktime | up to 21 hrs |
| Removable | No |
| Sensors | Face ID, accelerometer, gyro, proximity, compass, barometer |
| Browser | HTML5 (Safari) |
| Messaging | iMessage, SMS (threaded view), MMS, Email, Push Email |
| Torch | Yes |
| Games | Downloadable |
| Java | No |
| Extra | Active noise cancellation with dedicated mic, IP67 certified - dust and water resistant, Siri natural language commands and dictation, Water resistant up to 1 meter and 30 minutes, iCloud service, Apple Pay (Visa, MasterCard, AMEX certified), Google Maps, |