| 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 | 5.80-inch | 
| Processor | Samsung Exynos 9810 | Samsung Exynos 8895 | 
| Front Camera | 8-megapixel | 8-megapixel | 
| Rear Camera | 12-megapixel | 12-megapixel | 
| RAM | 4GB | 4GB | 
| Storage | 64GB | 64GB | 
| Battery Capacity | 3000mAh | 3000mAh | 
| OS | Android 8.0 | Android 7.0 | 
| Resolution | 1440x2960 pixels | 1440x2960 pixels | 
| general | 
| Brand | Samsung | Samsung | 
| Model | Galaxy S9 | Galaxy S8 | 
| Release date | March 1, 2018 | March 1, 2017 | 
| Launched in India | Yes | Yes | 
| Form factor | Touchscreen | Touchscreen | 
| Dimensions (mm) | 147.70 x 68.70 x 8.50 | 148.90 x 68.10 x 8.00 | 
| Weight (g) | 163.00 | 155.00 | 
| Battery capacity (mAh) | 3000 | 3000 | 
| Removable battery | No | No | 
| Fast charging | Quick Charge 2.0 | Quick Charge 2.0 | 
| Wireless charging | Yes | - | 
| Colours | Lilac Purple, Midnight Black, Coral Blue | Midnight Black, Orchid Gray, Arctic Silver, Coral Blue, Maple Gold | 
| display | 
| Screen size (inches) | 5.80 | 5.80 | 
| Touchscreen | Yes | Yes | 
| Resolution | 1440x2960 pixels | 1440x2960 pixels | 
| Protection type | Gorilla Glass | Gorilla Glass | 
| Aspect ratio | 18.5:9 | 18.5:9 | 
| Pixels per inch (PPI) | 568 | 570 | 
| hardware | 
| Processor | octa-core (4x2.7GHz + 4x1.7GHz) | octa-core (4x2.35GHz + 4x1.9GHz) | 
| Processor make | Samsung Exynos 9810 | Samsung Exynos 8895 | 
| RAM | 4GB | 4GB | 
| Internal storage | 64GB | 64GB | 
| Expandable storage | Yes | Yes | 
| Expandable storage type | microSD | microSD | 
| Expandable storage up to (GB) | 400 | 256 | 
| camera | 
| Rear camera | 12-megapixel (1.4-micron) | 12-megapixel (f/1.7, 1.4-micron) | 
| Rear autofocus | Phase detection autofocus | Phase detection autofocus | 
| Rear flash | LED | Dual LED | 
| Front camera | 8-megapixel (f/1.7, 1.22-micron) | 8-megapixel (f/1.7, 1.22-micron) | 
| Front autofocus | Yes | Yes | 
| Front flash | No | - | 
| software | 
| Operating system | Android 8.0 | Android 7.0 | 
| Skin | Experience 9.0 | - | 
| 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, v 5.00 | Yes | 
| NFC | Yes | Yes | 
| USB OTG | Yes | No | 
| USB Type-C | Yes | Yes | 
| Headphones | 3.5mm | 3.5mm | 
| FM | No | No | 
| Number of SIMs | 2 | 1 | 
| Wi-Fi Direct | Yes | No | 
| Infrared | - | No | 
| Mobile High-Definition Link (MHL) | - | No | 
| sim 1 | 
| SIM Type | Nano-SIM | - | 
| GSM/CDMA | GSM | GSM | 
| 3G | Yes | Yes | 
| 4G/ LTE | Yes | Yes | 
| sim 2 | 
| SIM Type | Nano-SIM | - | 
| GSM/CDMA | GSM | - | 
| 3G | Yes | - | 
| 4G/ LTE | Yes | - | 
| sensors | 
| Face unlock | Yes | - | 
| 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 |