| ratings |
| Overall NDTV Rating | 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 | 6.40-inch | 6.40-inch | 5.80-inch |
| Front Camera | 25-megapixel | 16-megapixel | 8-megapixel |
| Rear Camera | 25-megapixel + 5-megapixel + 8-megapixel | 13-megapixel + 5-megapixel + 5-megapixel | 12-megapixel |
| RAM | 4GB | 4GB | 4GB |
| Storage | 64GB | 64GB | 64GB |
| Battery Capacity | 4000mAh | 5000mAh | 3000mAh |
| OS | Android Pie | Android 8.1 Oreo | Android 7.0 |
| Resolution | 1080x2340 pixels | 1080x2340 pixels | 1440x2960 pixels |
| Processor | - | Samsung Exynos 7904 | Samsung Exynos 8895 |
| general |
| Brand | Samsung | Samsung | Samsung |
| Model | Galaxy A50 | Galaxy M30 | Galaxy S8 |
| Release date | February 1, 2019 | February 1, 2019 | March 1, 2017 |
| Launched in India | Yes | Yes | Yes |
| Form factor | Touchscreen | Touchscreen | Touchscreen |
| Dimensions (mm) | 158.50 x 74.70 x 7.70 | - | 148.90 x 68.10 x 8.00 |
| Battery capacity (mAh) | 4000 | 5000 | 3000 |
| Removable battery | No | - | No |
| Fast charging | Proprietary | Proprietary | Quick Charge 2.0 |
| Wireless charging | No | - | - |
| Colours | Black, White, Blue | - | Midnight Black, Orchid Gray, Arctic Silver, Coral Blue, Maple Gold |
| Weight (g) | - | - | 155.00 |
| display |
| Screen size (inches) | 6.40 | 6.40 | 5.80 |
| Touchscreen | Yes | Yes | Yes |
| Resolution | 1080x2340 pixels | 1080x2340 pixels | 1440x2960 pixels |
| Aspect ratio | - | 19.5:9 | 18.5:9 |
| Protection type | - | - | Gorilla Glass |
| Pixels per inch (PPI) | - | - | 570 |
| hardware |
| Processor make | Samsung Exynos 9610 | Samsung Exynos 7904 | Samsung Exynos 8895 |
| RAM | 4GB | 4GB | 4GB |
| Internal storage | 64GB | 64GB | 64GB |
| Expandable storage | Yes | Yes | Yes |
| Expandable storage type | microSD | microSD | microSD |
| Expandable storage up to (GB) | 512 | 512 | 256 |
| Dedicated microSD slot | Yes | Yes | - |
| Processor | - | 1.6GHz octa-core (2x1.8GHz + 6x1.6GHz) | octa-core (4x2.35GHz + 4x1.9GHz) |
| camera |
| Rear camera | 25-megapixel (f/1.7) + 5-megapixel (f/2.2) + 8-megapixel (f/2.2) | 13-megapixel (f/1.9) + 5-megapixel (f/2.2) + 5-megapixel (f/2.2) | 12-megapixel (f/1.7, 1.4-micron) |
| Rear autofocus | Yes | - | Phase detection autofocus |
| Rear flash | LED | - | Dual LED |
| Front camera | 25-megapixel (f/2.0) | 16-megapixel (f/2.0) | 8-megapixel (f/1.7, 1.22-micron) |
| Front flash | No | - | - |
| Front autofocus | - | - | Yes |
| software |
| Operating system | Android Pie | Android 8.1 Oreo | Android 7.0 |
| Skin | One UI | Samsung Experience v9.5 | - |
| connectivity |
| Wi-Fi | Yes | Yes | Yes |
| GPS | Yes | Yes | Yes |
| Bluetooth | Yes, v 5.00 | Yes, v 5.00 | Yes |
| USB Type-C | Yes | Yes | Yes |
| Headphones | 3.5mm | - | 3.5mm |
| Number of SIMs | 2 | 2 | 1 |
| Wi-Fi standards supported | - | 802.11 a/b/g/n/ac | 802.11 a/b/g/n/ac |
| Micro-USB | - | Yes | - |
| Active 4G on both SIM cards | - | Yes | - |
| NFC | - | - | Yes |
| Infrared | - | - | No |
| USB OTG | - | - | No |
| FM | - | - | No |
| Wi-Fi Direct | - | - | No |
| Mobile High-Definition Link (MHL) | - | - | No |
| sim 1 |
| SIM Type | Nano-SIM | Nano-SIM | - |
| GSM/CDMA | GSM | GSM | GSM |
| 3G | Yes | Yes | Yes |
| 4G/ LTE | Yes | Yes | Yes |
| sim 2 |
| SIM Type | Nano-SIM | Nano-SIM | - |
| GSM/CDMA | GSM | GSM | - |
| 3G | Yes | Yes | - |
| 4G/ LTE | Yes | Yes | - |
| sensors |
| Fingerprint sensor | Yes | Yes | Yes |
| Accelerometer | Yes | Yes | Yes |
| Ambient light sensor | Yes | Yes | Yes |
| Gyroscope | Yes | - | Yes |
| Face unlock | - | Yes | - |
| Compass/ Magnetometer | - | Yes | Yes |
| Proximity sensor | - | Yes | Yes |
| Barometer | - | - | Yes |
| Temperature sensor | - | - | No |