| ratings | | | | |
| Overall NDTV Rating | | - | - | - |
| Design Rating | | - | - | - |
| Display Rating | | - | - | - |
| Software Rating | | - | - | - |
| Performance Rating | | - | - | - |
| Battery Life Rating | | - | - | - |
| Camera Rating | | - | - | - |
| Value for Money Rating | | - | - | - |
| general | | | | |
| Release date | August 2018 | March 2018 | June 2017 | - |
| Form factor | Touchscreen | Touchscreen | Touchscreen | - |
| Dimensions (mm) | 161.90 x 76.40 x 8.80 | 153.50 x 77.20 x 8.20 | 152.40 x 74.70 x 7.90 | - |
| Weight (g) | 201.00 | 174.00 | - | - |
| Battery capacity (mAh) | 4000 | 3000 | 3600 | - |
| Colours | Midnight Black, Metallic Copper, Ocean Blue, Lavender Purple | Black and Gold | Black, Gold | - |
| Launched in India | - | Yes | Yes | - |
| Removable battery | - | - | No | - |
| display | | | | |
| Screen size (inches) | 6.40 | 5.50 | 5.50 | - |
| Touchscreen | Yes | Yes | Yes | - |
| Resolution | 1440x2960 pixels | 720x1280 pixels | 1080x1920 pixels | - |
| Aspect ratio | - | 16:9 | 16:9 | - |
| Pixels per inch (PPI) | - | 267 | 401 | - |
| hardware | | | | |
| Processor | 1.7GHz octa-core | octa-core (2x2.2GHz + 6x1.6GHz) | 1.6GHz octa-core | - |
| Processor make | Samsung Exynos 9810 | Exynos 7 Series Octa-Core Processor | Exynos 7870 | - |
| RAM | 6GB | 4GB | 3GB | - |
| Internal storage | 128GB | 32GB | 64GB | - |
| Expandable storage | Yes | Yes | Yes | - |
| Expandable storage type | microSD | microSD | microSD | - |
| Expandable storage up to (GB) | 512 | 256 | 128 | - |
| camera | | | | |
| Rear camera | 12-megapixel | 13-megapixel (f/1.9) + 5-megapixel (f/1.9) | 13-megapixel (f/1.7) | - |
| Front camera | 8-megapixel | 8-megapixel (f/1.9) | 13-megapixel (f/1.9) | - |
| Rear autofocus | - | Yes | Yes | - |
| Rear flash | - | LED | LED | - |
| Front flash | - | LED | LED | - |
| software | | | | |
| Operating system | Android 8.1 | Android Oreo | Android 7.0 | - |
| Skin | Samsung Experience UX | - | - | - |
| connectivity | | | | |
| Wi-Fi | Yes | Yes | Yes | - |
| Wi-Fi standards supported | 802.11 a/b/g/n/ac | 802.11 a/b/g/n/ac | 802.11 b/g/n | - |
| GPS | Yes | Yes | Yes | - |
| Bluetooth | Yes, v 5.00 | Yes, v 5.00 | Yes, v 4.10 | - |
| NFC | Yes | No | Yes | - |
| Number of SIMs | 2 | 2 | 2 | - |
| FM | - | Yes | Yes | - |
| Infrared | - | - | No | - |
| USB OTG | - | - | Yes | - |
| Micro-USB | - | - | Yes | - |
| Headphones | - | - | 3.5mm | - |
| sim 1 | | | | |
| SIM Type | Nano-SIM | - | Nano-SIM | - |
| GSM/CDMA | GSM | - | GSM | - |
| 3G | Yes | - | No | - |
| 4G/ LTE | Yes | - | Yes | - |
| sim 2 | | | | |
| SIM Type | Nano-SIM | - | - | - |
| GSM/CDMA | GSM | - | - | - |
| 3G | Yes | - | No | - |
| 4G/ LTE | Yes | - | Yes | - |
| sensors | | | | |
| Compass/ Magnetometer | Yes | No | Yes | - |
| Proximity sensor | Yes | Yes | Yes | - |
| Accelerometer | Yes | Yes | Yes | - |
| Ambient light sensor | Yes | - | Yes | - |
| Gyroscope | Yes | - | Yes | - |
| Barometer | Yes | - | No | - |
| Fingerprint sensor | - | Yes | Yes | - |
| Temperature sensor | - | - | No | - |
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