| ratings |
| Overall NDTV Rating | Read Review | Read Review | Read Review | Read Review |
| Design Rating | | | | |
| Display Rating | | | | |
| Software Rating | | | | |
| Performance Rating | | | | |
| Battery Life Rating | | | | |
| Camera Rating | | | | |
| Value for Money Rating | | | | |
| key specs |
| Display | 4.70-inch | 5.80-inch | 4.70-inch | 4.70-inch |
| Processor | Apple A11 Bionic | Samsung Exynos 8895 | Apple A10 Fusion | Apple A9 |
| Front Camera | 7-megapixel | 8-megapixel | 7-megapixel | 5-megapixel |
| Rear Camera | 12-megapixel | 12-megapixel | 12-megapixel | 12-megapixel |
| RAM | 2GB | 4GB | 2GB | 2GB |
| Storage | 64GB | 64GB | 32GB | 16GB |
| Battery Capacity | 1821mAh | 3000mAh | 1960mAh | 1715mAh |
| OS | iOS 11 | Android 7.0 | iOS 10 | iOS 9 |
| Resolution | 750x1334 pixels | 1440x2960 pixels | 750x1334 pixels | 750x1334 pixels |
| general |
| Brand | Apple | Samsung | Apple | Apple |
| Model | iPhone 8 | Galaxy S8 | iPhone 7 | iPhone 6s |
| Release date | September 1, 2017 | March 1, 2017 | September 1, 2016 | September 1, 2015 |
| Form factor | Touchscreen | Touchscreen | Touchscreen | Touchscreen |
| Body type | Glass | - | - | Metal |
| Dimensions (mm) | 138.40 x 67.30 x 7.30 | 148.90 x 68.10 x 8.00 | 138.30 x 67.10 x 7.10 | 138.30 x 67.10 x 7.10 |
| Weight (g) | 148.00 | 155.00 | 138.00 | 143.00 |
| IP rating | IP67 | - | - | - |
| Battery capacity (mAh) | 1821 | 3000 | 1960 | 1715 |
| Removable battery | No | No | No | No |
| Wireless charging | No | - | - | - |
| Colours | Silver, Space Gray, Gold | Midnight Black, Orchid Gray, Arctic Silver, Coral Blue, Maple Gold | Red, Rose Gold, Gold, Silver, Black, Jet Black | Silver, Gold, Space Grey, Rose Gold |
| Launched in India | - | Yes | Yes | Yes |
| Fast charging | - | Quick Charge 2.0 | - | - |
| display |
| Screen size (inches) | 4.70 | 5.80 | 4.70 | 4.70 |
| Touchscreen | Yes | Yes | Yes | Yes |
| Resolution | 750x1334 pixels | 1440x2960 pixels | 750x1334 pixels | 750x1334 pixels |
| Protection type | Other | Gorilla Glass | - | - |
| Pixels per inch (PPI) | 326 | 570 | 326 | 326 |
| Aspect ratio | - | 18.5:9 | 16:9 | 16:9 |
| hardware |
| Processor | hexa-core | octa-core (4x2.35GHz + 4x1.9GHz) | 2.34GHz quad-core | 1.84GHz dual-core |
| Processor make | Apple A11 Bionic | Samsung Exynos 8895 | Apple A10 Fusion | Apple A9 |
| RAM | 2GB | 4GB | 2GB | 2GB |
| Internal storage | 64GB | 64GB | 32GB | 16GB |
| Expandable storage | No | Yes | No | No |
| Expandable storage type | - | microSD | - | - |
| Expandable storage up to (GB) | - | 256 | - | - |
| camera |
| Rear camera | 12-megapixel (f/1.8) | 12-megapixel (f/1.7, 1.4-micron) | 12-megapixel (f/1.8) | 12-megapixel (f/2.2, 1.22-micron) |
| Rear autofocus | Yes | Phase detection autofocus | Phase detection autofocus | Phase detection autofocus |
| Rear flash | Dual LED | Dual LED | Dual LED | Yes |
| Front camera | 7-megapixel (f/2.2) | 8-megapixel (f/1.7, 1.22-micron) | 7-megapixel (f/2.2) | 5-megapixel (f/2.2) |
| Front autofocus | - | Yes | - | - |
| software |
| Operating system | iOS 11 | Android 7.0 | iOS 10 | iOS 9 |
| connectivity |
| Wi-Fi | Yes | Yes | Yes | Yes |
| Wi-Fi standards supported | 802.11 a/b/g/n/ac | 802.11 a/b/g/n/ac | 802.11 a/b/g/n/ac | 802.11 a/b/g/n/ac |
| GPS | Yes | Yes | Yes | Yes |
| Bluetooth | Yes, v 5.00 | Yes | Yes, v 4.20 | Yes, v 4.20 |
| NFC | Yes | Yes | Yes | Yes |
| Infrared | No | No | No | No |
| USB OTG | No | No | No | No |
| USB Type-C | No | Yes | - | - |
| Micro-USB | No | - | - | - |
| Lightning | Yes | - | Yes | Yes |
| FM | No | No | No | No |
| Number of SIMs | 1 | 1 | 1 | 1 |
| Wi-Fi Direct | No | No | No | No |
| Mobile High-Definition Link (MHL) | No | No | No | No |
| Headphones | - | 3.5mm | - | 3.5mm |
| sim 1 |
| SIM Type | Nano-SIM | - | Nano-SIM | Nano-SIM |
| GSM/CDMA | GSM | GSM | GSM | GSM |
| 3G | Yes | Yes | Yes | Yes |
| 4G/ LTE | Yes | Yes | Yes | Yes |
| sensors |
| Face unlock | No | - | - | - |
| 3D face recognition | No | - | - | - |
| Fingerprint sensor | Yes | Yes | Yes | Yes |
| In-Display Fingerprint Sensor | No | - | - | - |
| Compass/ Magnetometer | Yes | Yes | Yes | Yes |
| Proximity sensor | Yes | Yes | Yes | Yes |
| Accelerometer | Yes | Yes | Yes | Yes |
| Ambient light sensor | Yes | Yes | Yes | Yes |
| Gyroscope | Yes | Yes | Yes | Yes |
| Barometer | Yes | Yes | Yes | Yes |
| Temperature sensor | No | No | No | No |