Samsung Galaxy J3 (2017) vs Samsung Galaxy S7 vs Samsung Galaxy S6 Edge vs Samsung Galaxy S6 comparison
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| key specs |
| Display | 5.00-inch | 5.10-inch | 5.10-inch | 5.10-inch |
| Processor | Samsung Exynos 7570 | 1.6GHz octa-core | Samsung Exynos 7 Octa 7420 | Samsung Exynos 7 Octa 7420 |
| Front Camera | 5-megapixel | 5-megapixel | 5-megapixel | 5-megapixel |
| Rear Camera | 13-megapixel | 12-megapixel | 16-megapixel | 16-megapixel |
| RAM | 2GB | 4GB | 3GB | 3GB |
| Storage | 16GB | 32GB | 32GB | 32GB |
| Battery Capacity | 2400mAh | 3000mAh | 2600mAh | 2550mAh |
| OS | Android 7.0 | Android 6.0 | Android 5.0 | Android 5.0 |
| Resolution | 720x1280 pixels | 1440x2560 pixels | 1440x2560 pixels | 1440x2560 pixels |
| general |
| Brand | Samsung | Samsung | Samsung | Samsung |
| Model | Galaxy J3 (2017) | Galaxy S7 | Galaxy S6 Edge | Galaxy S6 |
| Release date | June 1, 2017 | February 1, 2016 | March 1, 2015 | March 1, 2015 |
| Form factor | Touchscreen | Touchscreen | Touchscreen | Touchscreen |
| Dimensions (mm) | 143.20 x 70.30 x 8.20 | 142.40 x 69.60 x 7.90 | 142.10 x 70.10 x 7.00 | 143.40 x 70.50 x 6.80 |
| Weight (g) | 148.00 | 152.00 | 132.00 | 138.00 |
| Battery capacity (mAh) | 2400 | 3000 | 2600 | 2550 |
| Removable battery | No | No | No | No |
| Colours | Black, Gold | - | White, Gold, Blue, Green | - |
| Launched in India | - | - | - | Yes |
| display |
| Screen size (inches) | 5.00 | 5.10 | 5.10 | 5.10 |
| Touchscreen | Yes | Yes | Yes | Yes |
| Resolution | 720x1280 pixels | 1440x2560 pixels | 1440x2560 pixels | 1440x2560 pixels |
| Pixels per inch (PPI) | - | 577 | 577 | 577 |
| Protection type | - | - | - | Gorilla Glass |
| Aspect ratio | - | - | - | 16:9 |
| hardware |
| Processor | 1.4GHz quad-core | 1.6GHz octa-core | 1.5GHz octa-core | octa-core (4x2.1GHz + 4x1.5GHz) |
| Processor make | Samsung Exynos 7570 | - | Samsung Exynos 7 Octa 7420 | Samsung Exynos 7 Octa 7420 |
| RAM | 2GB | 4GB | 3GB | 3GB |
| Internal storage | 16GB | 32GB | 32GB | 32GB |
| Expandable storage | Yes | Yes | No | No |
| Expandable storage type | microSD | microSD | - | - |
| Expandable storage up to (GB) | 256 | 200 | - | - |
| camera |
| Rear camera | 13-megapixel | 12-megapixel | 16-megapixel | 16-megapixel (f/1.9, 1.12-micron) |
| Rear flash | LED | Yes | LED | LED |
| Front camera | 5-megapixel | 5-megapixel | 5-megapixel | 5-megapixel (f/1.9, 1.34-micron) |
| Rear autofocus | - | - | - | Yes |
| software |
| Operating system | Android 7.0 | Android 6.0 | Android 5.0 | Android 5.0 |
| Skin | - | - | TouchWiz | TouchWiz |
| 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 a/b/g/n/ac | 802.11 a/b/g/n/ac |
| GPS | Yes | Yes | Yes | Yes |
| Bluetooth | Yes, v 4.20 | Yes, v 4.20 | Yes, v 4.10 | Yes, v 4.10 |
| NFC | No | Yes | Yes | Yes |
| Infrared | No | No | Yes | Yes |
| USB OTG | No | Yes | Yes | Yes |
| Headphones | 3.5mm | 3.5mm | 3.5mm | 3.5mm |
| FM | No | No | No | No |
| Number of SIMs | 1 | 2 | 1 | 1 |
| Wi-Fi Direct | No | No | Yes | Yes |
| Mobile High-Definition Link (MHL) | No | No | No | No |
| Micro-USB | - | - | - | Yes |
| sim 1 |
| SIM Type | Nano-SIM | - | Nano-SIM | Nano-SIM |
| GSM/CDMA | GSM | GSM | GSM | GSM |
| 3G | Yes | Yes | Yes | Yes |
| 4G/ LTE | Yes | Yes | Yes | Yes |
| sensors |
| Compass/ Magnetometer | No | Yes | Yes | Yes |
| Proximity sensor | Yes | Yes | Yes | Yes |
| Accelerometer | Yes | Yes | Yes | Yes |
| Ambient light sensor | No | Yes | Yes | Yes |
| Gyroscope | Yes | Yes | Yes | Yes |
| Barometer | No | Yes | Yes | Yes |
| Temperature sensor | No | No | No | No |
| Fingerprint sensor | - | - | - | Yes |
| 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 | - | | | |
| sim 2 |
| GSM/CDMA | - | GSM | - | - |
| 3G | - | Yes | - | - |
| 4G/ LTE | - | Yes | - | - |