Samsung Galaxy A3 (2016) vs Samsung Galaxy J3 (6) vs Samsung Galaxy Ace 4 comparison
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| key specs |
| Display | 4.70-inch | 5.00-inch | 4.00-inch |
| Processor | 1.5GHz quad-core | 1.5GHz quad-core | 1GHz dual-core |
| Front Camera | 5-megapixel | 5-megapixel | 0.3-megapixel |
| Rear Camera | 13-megapixel | 8-megapixel | 5-megapixel |
| RAM | 1.5GB | 1.5GB | 512MB |
| Storage | 16GB | 8GB | 4GB |
| Battery Capacity | 2300mAh | 2600mAh | 1500mAh |
| OS | Android 5.1 | Android 5.1 | Android 4.4 |
| Resolution | 720x1280 pixels | 720x1280 pixels | 480x800 pixels |
| general |
| Brand | Samsung | Samsung | Samsung |
| Model | Galaxy A3 (2016) | Galaxy J3 (6) | Galaxy Ace 4 |
| Release date | December 1, 2015 | November 1, 2015 | June 1, 2014 |
| Form factor | Touchscreen | Touchscreen | Touchscreen |
| Dimensions (mm) | 134.50 x 65.20 x 7.30 | 142.30 x 71.00 x 7.90 | 121.40 x 62.90 x 10.80 |
| Weight (g) | 132.00 | 138.00 | 123.80 |
| Battery capacity (mAh) | 2300 | 2600 | 1500 |
| Removable battery | No | No | Yes |
| Colours | Gold, Pink, White, Black | Gold, Black, White | Iris Charcoal, Classic White |
| Launched in India | - | Yes | - |
| display |
| Screen size (inches) | 4.70 | 5.00 | 4.00 |
| Touchscreen | Yes | Yes | Yes |
| Resolution | 720x1280 pixels | 720x1280 pixels | 480x800 pixels |
| Pixels per inch (PPI) | - | - | 233 |
| hardware |
| Processor | 1.5GHz quad-core | 1.5GHz quad-core | 1GHz dual-core |
| RAM | 1.5GB | 1.5GB | 512MB |
| Internal storage | 16GB | 8GB | 4GB |
| Expandable storage | Yes | Yes | Yes |
| Expandable storage type | microSD | microSD | microSD |
| Expandable storage up to (GB) | 128 | 128 | 64 |
| camera |
| Rear camera | 13-megapixel | 8-megapixel | 5-megapixel |
| Rear flash | LED | LED | Yes |
| Front camera | 5-megapixel | 5-megapixel | 0.3-megapixel |
| software |
| Operating system | Android 5.1 | Android 5.1 | Android 4.4 |
| connectivity |
| Wi-Fi | Yes | Yes | Yes |
| Wi-Fi standards supported | 802.11 a/b/g/n | - | 802.11 b/g/n |
| GPS | Yes | Yes | Yes |
| Bluetooth | Yes, v 4.10 | Yes | Yes, v 4.00 |
| NFC | Yes | Yes | No |
| Infrared | No | No | No |
| USB OTG | No | No | No |
| Headphones | 3.5mm | 3.5mm | 3.5mm |
| FM | Yes | Yes | Yes |
| Number of SIMs | 1 | 1 | 1 |
| Wi-Fi Direct | No | No | Yes |
| Mobile High-Definition Link (MHL) | No | No | No |
| sim 1 |
| SIM Type | Regular | Micro-SIM | Regular |
| GSM/CDMA | GSM | GSM | GSM |
| 3G | Yes | Yes | Yes |
| 4G/ LTE | Yes | Yes | No |
| sensors |
| Compass/ Magnetometer | Yes | No | No |
| Proximity sensor | Yes | Yes | Yes |
| Accelerometer | Yes | Yes | Yes |
| Ambient light sensor | Yes | No | No |
| Gyroscope | No | No | No |
| Barometer | No | No | No |
| Temperature sensor | No | No | No |