Samsung Galaxy J7 Prime 2 vs Samsung Galaxy S8 vs Samsung Galaxy J3 (6) vs Samsung Galaxy J7 comparison
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| key specs |
| Display | 5.50-inch | 5.80-inch | 5.00-inch | 5.50-inch |
| Processor | Samsung Exynos 7 Octa 7870 | Samsung Exynos 8895 | 1.5GHz quad-core | Samsung Exynos 7 Octa 7580 |
| Front Camera | 13-megapixel | 8-megapixel | 5-megapixel | 5-megapixel |
| Rear Camera | 13-megapixel | 12-megapixel | 8-megapixel | 13-megapixel |
| RAM | 3GB | 4GB | 1.5GB | 1.5GB |
| Storage | 32GB | 64GB | 8GB | 16GB |
| Battery Capacity | 3300mAh | 3000mAh | 2600mAh | 3000mAh |
| OS | Android 7.0 | Android 7.0 | Android 5.1 | Android 5.1 |
| Resolution | 1080x1920 pixels | 1440x2960 pixels | 720x1280 pixels | 720x1280 pixels |
| general |
| Brand | Samsung | Samsung | Samsung | Samsung |
| Model | Galaxy J7 Prime 2 | Galaxy S8 | Galaxy J3 (6) | Galaxy J7 |
| Release date | March 1, 2018 | March 1, 2017 | November 1, 2015 | June 1, 2015 |
| Launched in India | Yes | Yes | Yes | Yes |
| Form factor | Touchscreen | Touchscreen | Touchscreen | Touchscreen |
| Dimensions (mm) | 151.70 x 75.00 x 8.00 | 148.90 x 68.10 x 8.00 | 142.30 x 71.00 x 7.90 | 152.40 x 78.60 x 7.50 |
| Weight (g) | 170.00 | 155.00 | 138.00 | 171.00 |
| Battery capacity (mAh) | 3300 | 3000 | 2600 | 3000 |
| Colours | Black | Midnight Black, Orchid Gray, Arctic Silver, Coral Blue, Maple Gold | Gold, Black, White | Black, White, Gold |
| Removable battery | - | No | No | Yes |
| Fast charging | - | Quick Charge 2.0 | - | - |
| Body type | - | - | - | Plastic |
| display |
| Screen size (inches) | 5.50 | 5.80 | 5.00 | 5.50 |
| Touchscreen | Yes | Yes | Yes | Yes |
| Resolution | 1080x1920 pixels | 1440x2960 pixels | 720x1280 pixels | 720x1280 pixels |
| Aspect ratio | 16:9 | 18.5:9 | - | 16:9 |
| Pixels per inch (PPI) | 401 | 570 | - | - |
| Protection type | - | Gorilla Glass | - | - |
| hardware |
| Processor | 1.6GHz octa-core | octa-core (4x2.35GHz + 4x1.9GHz) | 1.5GHz quad-core | 1.5GHz octa-core |
| Processor make | Samsung Exynos 7 Octa 7870 | Samsung Exynos 8895 | - | Samsung Exynos 7 Octa 7580 |
| RAM | 3GB | 4GB | 1.5GB | 1.5GB |
| Internal storage | 32GB | 64GB | 8GB | 16GB |
| Expandable storage | Yes | Yes | Yes | Yes |
| Expandable storage type | microSD | microSD | microSD | microSD |
| Expandable storage up to (GB) | 256 | 256 | 128 | 128 |
| camera |
| Rear camera | 13-megapixel (f/1.9) | 12-megapixel (f/1.7, 1.4-micron) | 8-megapixel | 13-megapixel (f/1.9) |
| Rear autofocus | Yes | Phase detection autofocus | - | Yes |
| Rear flash | LED | Dual LED | LED | LED |
| Front camera | 13-megapixel (f/1.9) | 8-megapixel (f/1.7, 1.22-micron) | 5-megapixel | 5-megapixel (f/2.2) |
| Front autofocus | - | Yes | - | - |
| Front flash | - | - | - | LED |
| software |
| Operating system | Android 7.0 | Android 7.0 | Android 5.1 | Android 5.1 |
| Skin | - | - | - | TouchWiz UI |
| connectivity |
| Wi-Fi | Yes | Yes | Yes | Yes |
| Wi-Fi standards supported | 802.11 b/g/n | 802.11 a/b/g/n/ac | - | 802.11 b/g/n |
| GPS | Yes | Yes | Yes | Yes |
| Bluetooth | Yes, v 4.10 | Yes | Yes | Yes, v 4.10 |
| Micro-USB | Yes | - | - | Yes |
| Headphones | 3.5mm | 3.5mm | 3.5mm | 3.5mm |
| FM | Yes | No | Yes | Yes |
| Number of SIMs | 2 | 1 | 1 | 2 |
| NFC | - | Yes | Yes | No |
| Infrared | - | No | No | No |
| USB OTG | - | No | No | Yes |
| USB Type-C | - | Yes | - | - |
| Wi-Fi Direct | - | No | No | Yes |
| Mobile High-Definition Link (MHL) | - | No | No | No |
| sim 1 |
| SIM Type | Nano-SIM | - | Micro-SIM | Micro-SIM |
| GSM/CDMA | GSM | GSM | GSM | GSM |
| 3G | Yes | Yes | Yes | Yes |
| 4G/ LTE | Yes | Yes | Yes | Yes |
| sensors |
| Fingerprint sensor | Yes | Yes | - | - |
| Proximity sensor | Yes | Yes | Yes | Yes |
| Accelerometer | Yes | Yes | Yes | Yes |
| Compass/ Magnetometer | - | Yes | No | No |
| Ambient light sensor | - | Yes | No | No |
| Gyroscope | - | Yes | No | No |
| Barometer | - | Yes | No | No |
| Temperature sensor | - | No | No | No |
| ratings |
| Overall NDTV Rating | - | Read Review | - | - |
| Design Rating | - | | - | - |
| Display Rating | - | | - | - |
| Software Rating | - | | - | - |
| Performance Rating | - | | - | - |
| Battery Life Rating | - | | - | - |
| Camera Rating | - | | - | - |
| Value for Money Rating | - | | - | - |
| sim 2 |
| SIM Type | - | - | - | Micro-SIM |
| GSM/CDMA | - | - | - | GSM |
| 3G | - | - | - | Yes |
| 4G/ LTE | - | - | - | No |