| ratings |
| Overall NDTV Rating | Read Review | Read Review |
| Design Rating | | |
| Display Rating | | |
| Software Rating | | |
| Performance Rating | | |
| Battery Life Rating | | |
| Camera Rating | | |
| Value for Money Rating | | |
| key specs |
| Display | 5.80-inch | 5.10-inch |
| Processor | Samsung Exynos 8895 | Samsung Exynos 7 Octa 7420 |
| Front Camera | 8-megapixel | 5-megapixel |
| Rear Camera | 12-megapixel | 16-megapixel |
| RAM | 4GB | 3GB |
| Storage | 64GB | 32GB |
| Battery Capacity | 3000mAh | 2550mAh |
| OS | Android 7.0 | Android 5.0 |
| Resolution | 1440x2960 pixels | 1440x2560 pixels |
| general |
| Brand | Samsung | Samsung |
| Model | Galaxy S8 | Galaxy S6 |
| Release date | March 1, 2017 | March 1, 2015 |
| Launched in India | Yes | Yes |
| Form factor | Touchscreen | Touchscreen |
| Dimensions (mm) | 148.90 x 68.10 x 8.00 | 143.40 x 70.50 x 6.80 |
| Weight (g) | 155.00 | 138.00 |
| Battery capacity (mAh) | 3000 | 2550 |
| Removable battery | No | No |
| Fast charging | Quick Charge 2.0 | - |
| Colours | Midnight Black, Orchid Gray, Arctic Silver, Coral Blue, Maple Gold | - |
| display |
| Screen size (inches) | 5.80 | 5.10 |
| Touchscreen | Yes | Yes |
| Resolution | 1440x2960 pixels | 1440x2560 pixels |
| Protection type | Gorilla Glass | Gorilla Glass |
| Aspect ratio | 18.5:9 | 16:9 |
| Pixels per inch (PPI) | 570 | 577 |
| hardware |
| Processor | octa-core (4x2.35GHz + 4x1.9GHz) | octa-core (4x2.1GHz + 4x1.5GHz) |
| Processor make | Samsung Exynos 8895 | Samsung Exynos 7 Octa 7420 |
| RAM | 4GB | 3GB |
| Internal storage | 64GB | 32GB |
| Expandable storage | Yes | No |
| Expandable storage type | microSD | - |
| Expandable storage up to (GB) | 256 | - |
| camera |
| Rear camera | 12-megapixel (f/1.7, 1.4-micron) | 16-megapixel (f/1.9, 1.12-micron) |
| Rear autofocus | Phase detection autofocus | Yes |
| Rear flash | Dual LED | LED |
| Front camera | 8-megapixel (f/1.7, 1.22-micron) | 5-megapixel (f/1.9, 1.34-micron) |
| Front autofocus | Yes | - |
| software |
| Operating system | Android 7.0 | Android 5.0 |
| Skin | - | TouchWiz |
| connectivity |
| Wi-Fi | Yes | Yes |
| Wi-Fi standards supported | 802.11 a/b/g/n/ac | 802.11 a/b/g/n/ac |
| GPS | Yes | Yes |
| Bluetooth | Yes | Yes, v 4.10 |
| NFC | Yes | Yes |
| Infrared | No | Yes |
| USB OTG | No | Yes |
| USB Type-C | Yes | - |
| Headphones | 3.5mm | 3.5mm |
| FM | No | No |
| Number of SIMs | 1 | 1 |
| Wi-Fi Direct | No | Yes |
| Mobile High-Definition Link (MHL) | No | No |
| Micro-USB | - | Yes |
| sim 1 |
| GSM/CDMA | GSM | GSM |
| 3G | Yes | Yes |
| 4G/ LTE | Yes | Yes |
| SIM Type | - | Nano-SIM |
| sensors |
| Fingerprint sensor | Yes | Yes |
| Compass/ Magnetometer | Yes | Yes |
| Proximity sensor | Yes | Yes |
| Accelerometer | Yes | Yes |
| Ambient light sensor | Yes | Yes |
| Gyroscope | Yes | Yes |
| Barometer | Yes | Yes |
| Temperature sensor | No | No |