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- Samsung Galaxy J4 vs Microsoft Lumia 640 Dual SIM
Samsung Galaxy J4 vs Microsoft Lumia 640 Dual SIM comparison
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| key specs | ||||
| Display | 5.50-inch | 5.00-inch | ||
| Processor | Samsung Exynos 7570 | Qualcomm Snapdragon 400 | ||
| Front Camera | 5-megapixel | 0.9-megapixel | ||
| Rear Camera | 13-megapixel | 8-megapixel | ||
| RAM | 2GB | 1GB | ||
| Storage | 16GB | 8GB | ||
| Battery Capacity | 3000mAh | 2500mAh | ||
| OS | Android 8.0 | Windows Phone 8.1 | ||
| Resolution | 720x1280 pixels | 720x1280 pixels | ||
| general | ||||
| Brand | Samsung | Microsoft | ||
| Model | Galaxy J4 | Lumia 640 Dual SIM | ||
| Release date | May 1, 2018 | February 1, 2015 | ||
| Launched in India | Yes | - | ||
| Form factor | Touchscreen | Touchscreen | ||
| Dimensions (mm) | 151.70 x 77.20 x 8.10 | 141.30 x 72.20 x 8.80 | ||
| Weight (g) | 175.00 | 145.00 | ||
| Battery capacity (mAh) | 3000 | 2500 | ||
| Removable battery | Yes | Yes | ||
| Colours | Black, Orchid Gray, Gold | - | ||
| display | ||||
| Screen size (inches) | 5.50 | 5.00 | ||
| Touchscreen | Yes | Yes | ||
| Resolution | 720x1280 pixels | 720x1280 pixels | ||
| Aspect ratio | 16:9 | - | ||
| Pixels per inch (PPI) | - | 294 | ||
| hardware | ||||
| Processor | 1.4GHz quad-core | 1.2GHz quad-core | ||
| Processor make | Samsung Exynos 7570 | Qualcomm Snapdragon 400 | ||
| RAM | 2GB | 1GB | ||
| Internal storage | 16GB | 8GB | ||
| Expandable storage | Yes | Yes | ||
| Expandable storage type | microSD | microSD | ||
| Expandable storage up to (GB) | 256 | 128 | ||
| camera | ||||
| Rear camera | 13-megapixel (f/1.9) | 8-megapixel | ||
| Rear autofocus | Yes | - | ||
| Rear flash | LED | LED | ||
| Front camera | 5-megapixel (f/2.2) | 0.9-megapixel | ||
| Front flash | LED | - | ||
| software | ||||
| Operating system | Android 8.0 | Windows Phone 8.1 | ||
| connectivity | ||||
| Wi-Fi | Yes | Yes | ||
| Wi-Fi standards supported | 802.11 b/g/n | 802.11 b/g/n | ||
| GPS | Yes | Yes | ||
| Bluetooth | Yes, v 4.20 | Yes | ||
| Micro-USB | Yes | - | ||
| FM | Yes | Yes | ||
| Number of SIMs | 2 | 2 | ||
| NFC | - | No | ||
| Infrared | - | No | ||
| USB OTG | - | No | ||
| Headphones | - | 3.5mm | ||
| Wi-Fi Direct | - | No | ||
| Mobile High-Definition Link (MHL) | - | No | ||
| sim 1 | ||||
| SIM Type | Micro-SIM | Micro-SIM | ||
| GSM/CDMA | GSM | GSM | ||
| 3G | Yes | Yes | ||
| 4G/ LTE | Yes | No | ||
| sim 2 | ||||
| SIM Type | Micro-SIM | Micro-SIM | ||
| GSM/CDMA | GSM | GSM | ||
| 3G | Yes | Yes | ||
| 4G/ LTE | Yes | No | ||
| sensors | ||||
| Proximity sensor | Yes | Yes | ||
| Accelerometer | Yes | Yes | ||
| Compass/ Magnetometer | - | Yes | ||
| Ambient light sensor | - | Yes | ||
| Gyroscope | - | No | ||
| Barometer | - | No | ||
| Temperature sensor | - | No | ||
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