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- Samsung Galaxy J7 Duo vs Samsung Galaxy J2 Pro (2018) vs Samsung Galaxy J3 Pro vs Samsung Galaxy J7
Samsung Galaxy J7 Duo vs Samsung Galaxy J2 Pro (2018) vs Samsung Galaxy J3 Pro vs Samsung Galaxy J7 comparison
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| key specs | ||||
| Display | 5.50-inch | 5.00-inch | 5.00-inch | 5.50-inch |
| Processor | Samsung Exynos 7885 | 1.4GHz quad-core | Spreadtrum SC9830i | Samsung Exynos 7 Octa 7580 |
| Front Camera | 8-megapixel | 5-megapixel | 5-megapixel | 5-megapixel |
| Rear Camera | 13-megapixel + 5-megapixel | 8-megapixel | 8-megapixel | 13-megapixel |
| RAM | 4GB | 1.5GB | 2GB | 1.5GB |
| Storage | 32GB | 16GB | 16GB | 16GB |
| Battery Capacity | 3000mAh | 2600mAh | 2600mAh | 3000mAh |
| OS | Android Oreo | Android 7.0 | Android 5.1 | Android 5.1 |
| Resolution | 720x1280 pixels | 540x960 pixels | 720x1280 pixels | 720x1280 pixels |
| general | ||||
| Brand | Samsung | Samsung | Samsung | Samsung |
| Model | Galaxy J7 Duo | Galaxy J2 Pro (2018) | Galaxy J3 Pro | Galaxy J7 |
| Release date | March 1, 2018 | January 1, 2018 | June 1, 2016 | June 1, 2015 |
| Launched in India | Yes | Yes | - | Yes |
| Form factor | Touchscreen | Touchscreen | Touchscreen | Touchscreen |
| Dimensions (mm) | 153.50 x 77.20 x 8.20 | 143.80 x 72.30 x 8.40 | 142.20 x 71.30 x 8.00 | 152.40 x 78.60 x 7.50 |
| Weight (g) | 174.00 | 153.00 | 139.00 | 171.00 |
| Battery capacity (mAh) | 3000 | 2600 | 2600 | 3000 |
| Colours | Black and Gold | Black, Blue, Gold | White, Black, Gold | Black, White, Gold |
| Removable battery | - | No | Yes | Yes |
| Body type | - | - | - | Plastic |
| display | ||||
| Screen size (inches) | 5.50 | 5.00 | 5.00 | 5.50 |
| Touchscreen | Yes | Yes | Yes | Yes |
| Resolution | 720x1280 pixels | 540x960 pixels | 720x1280 pixels | 720x1280 pixels |
| Aspect ratio | 16:9 | 16:9 | - | 16:9 |
| Pixels per inch (PPI) | 267 | 220 | - | - |
| Protection type | - | Gorilla Glass | - | - |
| hardware | ||||
| Processor | octa-core (2x2.2GHz + 6x1.6GHz) | 1.4GHz quad-core | 1.5GHz quad-core | 1.5GHz octa-core |
| Processor make | Samsung Exynos 7885 | - | Spreadtrum SC9830i | Samsung Exynos 7 Octa 7580 |
| RAM | 4GB | 1.5GB | 2GB | 1.5GB |
| Internal storage | 32GB | 16GB | 16GB | 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) + 5-megapixel (f/1.9) | 8-megapixel (f/2.2) | 8-megapixel | 13-megapixel (f/1.9) |
| Rear autofocus | Yes | Yes | - | Yes |
| Rear flash | LED | LED | LED | LED |
| Front camera | 8-megapixel (f/1.9) | 5-megapixel (f/2.2) | 5-megapixel | 5-megapixel (f/2.2) |
| Front flash | LED | LED | - | LED |
| software | ||||
| Operating system | Android Oreo | 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 a/b/g/n/ac | 802.11 b/g/n | - | 802.11 b/g/n |
| GPS | Yes | Yes | Yes | Yes |
| Bluetooth | Yes, v 5.00 | Yes, v 4.20 | Yes | Yes, v 4.10 |
| NFC | No | No | Yes | No |
| FM | Yes | Yes | Yes | Yes |
| Number of SIMs | 2 | 2 | 2 | 2 |
| Infrared | - | No | No | No |
| USB OTG | - | Yes | No | Yes |
| Micro-USB | - | Yes | - | Yes |
| Headphones | - | 3.5mm | 3.5mm | 3.5mm |
| Wi-Fi Direct | - | Yes | No | Yes |
| Mobile High-Definition Link (MHL) | - | No | No | No |
| sensors | ||||
| Fingerprint sensor | Yes | - | - | - |
| Compass/ Magnetometer | No | No | No | No |
| Proximity sensor | Yes | Yes | Yes | Yes |
| Accelerometer | Yes | Yes | Yes | Yes |
| Ambient light sensor | - | Yes | Yes | No |
| Gyroscope | - | No | Yes | No |
| Barometer | - | No | No | No |
| Temperature sensor | - | No | No | No |
| sim 1 | ||||
| SIM Type | - | Micro-SIM | Micro-SIM | Micro-SIM |
| GSM/CDMA | - | GSM | GSM | GSM |
| 3G | - | Yes | Yes | Yes |
| 4G/ LTE | - | Yes | Yes | Yes |
| sim 2 | ||||
| SIM Type | - | Micro-SIM | Micro-SIM | Micro-SIM |
| GSM/CDMA | - | GSM | GSM | GSM |
| 3G | - | Yes | Yes | Yes |
| 4G/ LTE | - | Yes | No | No |
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