Samsung Galaxy J7 vs Samsung Galaxy J5 vs Samsung Galaxy Express 2 comparison
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| key specs |
| Display | 5.50-inch | 5.00-inch | 4.50-inch |
| Processor | Samsung Exynos 7 Octa 7580 | Qualcomm Snapdragon 410 | 1.7GHz dual-core |
| Front Camera | 5-megapixel | 5-megapixel | 0.3-megapixel |
| Rear Camera | 13-megapixel | 13-megapixel | 5-megapixel |
| RAM | 1.5GB | 1.5GB | 1.5GB |
| Storage | 16GB | 8GB | 8GB |
| Battery Capacity | 3000mAh | 2600mAh | 2100mAh |
| OS | Android 5.1 | Android 6.0.1 | Android 4.2 |
| Resolution | 720x1280 pixels | 720x1280 pixels | 540x960 pixels |
| general |
| Brand | Samsung | Samsung | Samsung |
| Model | Galaxy J7 | Galaxy J5 | Galaxy Express 2 |
| Release date | June 1, 2015 | June 1, 2015 | October 1, 2013 |
| Launched in India | Yes | - | - |
| Form factor | Touchscreen | Touchscreen | Touchscreen |
| Body type | Plastic | - | - |
| Dimensions (mm) | 152.40 x 78.60 x 7.50 | 142.00 x 73.00 x 7.90 | 132.40 x 65.70 x 9.80 |
| Weight (g) | 171.00 | 149.00 | - |
| Battery capacity (mAh) | 3000 | 2600 | 2100 |
| Removable battery | Yes | Yes | Yes |
| Colours | Black, White, Gold | Black, White, Gold | - |
| display |
| Screen size (inches) | 5.50 | 5.00 | 4.50 |
| Touchscreen | Yes | Yes | Yes |
| Resolution | 720x1280 pixels | 720x1280 pixels | 540x960 pixels |
| Aspect ratio | 16:9 | - | - |
| Pixels per inch (PPI) | - | - | 245 |
| hardware |
| Processor | 1.5GHz octa-core | 1.2GHz quad-core | 1.7GHz dual-core |
| Processor make | Samsung Exynos 7 Octa 7580 | Qualcomm Snapdragon 410 | - |
| RAM | 1.5GB | 1.5GB | 1.5GB |
| Internal storage | 16GB | 8GB | 8GB |
| Expandable storage | Yes | Yes | Yes |
| Expandable storage type | microSD | microSD | microSD |
| Expandable storage up to (GB) | 128 | 128 | 64 |
| camera |
| Rear camera | 13-megapixel (f/1.9) | 13-megapixel | 5-megapixel |
| Rear autofocus | Yes | - | - |
| Rear flash | LED | Dual LED | LED |
| Front camera | 5-megapixel (f/2.2) | 5-megapixel | 0.3-megapixel |
| Front flash | LED | - | - |
| software |
| Operating system | Android 5.1 | Android 6.0.1 | Android 4.2 |
| Skin | TouchWiz UI | TouchWiz UI | - |
| connectivity |
| Wi-Fi | Yes | Yes | Yes |
| Wi-Fi standards supported | 802.11 b/g/n | 802.11 b/g/n | 802.11 a/b/g/n |
| GPS | Yes | Yes | Yes |
| Bluetooth | Yes, v 4.10 | Yes, v 4.10 | Yes, v 4.00 |
| NFC | No | No | Yes |
| Infrared | No | No | No |
| USB OTG | Yes | Yes | No |
| Micro-USB | Yes | - | - |
| Headphones | 3.5mm | 3.5mm | 3.5mm |
| FM | Yes | Yes | Yes |
| Number of SIMs | 2 | 2 | 1 |
| Wi-Fi Direct | Yes | Yes | Yes |
| Mobile High-Definition Link (MHL) | 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 | - |
| GSM/CDMA | GSM | GSM | - |
| 3G | Yes | Yes | - |
| 4G/ LTE | No | No | - |
| sensors |
| Compass/ Magnetometer | No | No | Yes |
| Proximity sensor | Yes | Yes | Yes |
| Accelerometer | Yes | Yes | Yes |
| Ambient light sensor | No | No | No |
| Gyroscope | No | No | Yes |
| Barometer | No | No | No |
| Temperature sensor | No | No | No |