Samsung Galaxy J3 (6) vs Samsung Galaxy J2 vs Samsung Galaxy J1 vs Samsung Galaxy J comparison
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| key specs |
| Display | 5.00-inch | 4.70-inch | 4.30-inch | 5.00-inch |
| Processor | 1.5GHz quad-core | Samsung Exynos 3475 | 1.2GHz dual-core | Qualcomm Snapdragon 800 |
| Front Camera | 5-megapixel | 2-megapixel | 2-megapixel | 2.1-megapixel |
| Rear Camera | 8-megapixel | 5-megapixel | 5-megapixel | 13.2-megapixel |
| RAM | 1.5GB | 1GB | 512MB | 3GB |
| Storage | 8GB | 8GB | 4GB | 32GB |
| Battery Capacity | 2600mAh | 2000mAh | 1859mAh | 2600mAh |
| OS | Android 5.1 | Android 5.1 | Android 4.4 | Android 4.3 |
| Resolution | 720x1280 pixels | 540x960 pixels | 480x800 pixels | 1080x1920 pixels |
| general |
| Brand | Samsung | Samsung | Samsung | Samsung |
| Model | Galaxy J3 (6) | Galaxy J2 | Galaxy J1 | Galaxy J |
| Release date | November 1, 2015 | September 1, 2015 | January 1, 2015 | October 1, 2013 |
| Launched in India | Yes | Yes | - | - |
| Form factor | Touchscreen | Touchscreen | Touchscreen | Touchscreen |
| Dimensions (mm) | 142.30 x 71.00 x 7.90 | 136.50 x 69.00 x 8.40 | 129.00 x 68.20 x 8.90 | 137.00 x 70.00 x 8.60 |
| Weight (g) | 138.00 | - | 122.00 | 146.00 |
| Battery capacity (mAh) | 2600 | 2000 | 1859 | 2600 |
| Removable battery | No | Yes | Yes | No |
| Colours | Gold, Black, White | Black, White, Gold | White, Blue, Black | - |
| Alternate names | - | - | - | SC-02F |
| display |
| Screen size (inches) | 5.00 | 4.70 | 4.30 | 5.00 |
| Touchscreen | Yes | Yes | Yes | Yes |
| Resolution | 720x1280 pixels | 540x960 pixels | 480x800 pixels | 1080x1920 pixels |
| Aspect ratio | - | 16:9 | - | - |
| Pixels per inch (PPI) | - | 234 | 217 | - |
| hardware |
| Processor | 1.5GHz quad-core | 1.3GHz quad-core | 1.2GHz dual-core | 2.3GHz quad-core |
| RAM | 1.5GB | 1GB | 512MB | 3GB |
| Internal storage | 8GB | 8GB | 4GB | 32GB |
| Expandable storage | Yes | Yes | Yes | Yes |
| Expandable storage type | microSD | microSD | microSD | microSD |
| Expandable storage up to (GB) | 128 | 128 | 128 | 64 |
| Processor make | - | Samsung Exynos 3475 | - | Qualcomm Snapdragon 800 |
| camera |
| Rear camera | 8-megapixel | 5-megapixel (f/2.2) | 5-megapixel | 13.2-megapixel |
| Rear flash | LED | LED | LED | LED |
| Front camera | 5-megapixel | 2-megapixel (f/2.2) | 2-megapixel | 2.1-megapixel |
| Rear autofocus | - | Yes | - | - |
| software |
| Operating system | Android 5.1 | Android 5.1 | Android 4.4 | Android 4.3 |
| connectivity |
| Wi-Fi | Yes | Yes | Yes | Yes |
| GPS | Yes | Yes | Yes | No |
| Bluetooth | Yes | Yes, v 4.10 | Yes, v 4.00 | Yes, v 4.00 |
| NFC | Yes | No | No | Yes |
| Infrared | No | No | No | No |
| USB OTG | No | Yes | No | No |
| Headphones | 3.5mm | 3.5mm | 3.5mm | 3.5mm |
| FM | Yes | Yes | Yes | No |
| Number of SIMs | 1 | 2 | 2 | 1 |
| Wi-Fi Direct | No | Yes | Yes | No |
| Mobile High-Definition Link (MHL) | No | No | No | No |
| Wi-Fi standards supported | - | 802.11 b/g/n | 802.11 b/g/n | 802.11 a/b/g/n/ac |
| sim 1 |
| SIM Type | Micro-SIM | Micro-SIM | Micro-SIM | Micro-SIM |
| GSM/CDMA | GSM | GSM | GSM | GSM |
| 3G | Yes | Yes | Yes | Yes |
| 4G/ LTE | Yes | Yes | No | Yes |
| sensors |
| Compass/ Magnetometer | No | No | Yes | No |
| Proximity sensor | Yes | Yes | Yes | No |
| Accelerometer | Yes | Yes | Yes | No |
| Ambient light sensor | No | No | No | No |
| Gyroscope | No | No | No | No |
| Barometer | No | No | No | No |
| Temperature sensor | No | No | No | No |
| sim 2 |
| SIM Type | - | Micro-SIM | Micro-SIM | - |
| GSM/CDMA | - | GSM | GSM | - |
| 3G | - | No | No | - |
| 4G/ LTE | - | No | No | - |