Samsung Galaxy A40 vs Samsung Galaxy J6 vs Samsung Galaxy C7 comparison
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| key specs |
| Display | 5.90-inch | 5.60-inch | 5.70-inch |
| Processor | Samsung Exynos 7885 | Samsung Exynos 7 Octa 7870 | Qualcomm Snapdragon 625 |
| Front Camera | 25-megapixel | 8-megapixel | 8-megapixel |
| Rear Camera | 16-megapixel | 13-megapixel | 16-megapixel |
| RAM | 4GB | 3GB | 4GB |
| Storage | 64GB | 32GB | 32GB |
| Battery Capacity | 3100mAh | 3000mAh | 3300mAh |
| OS | Android 9.0 Pie | Android 8.0 | Android 6.0.1 |
| Resolution | 1080x2280 pixels | 720x1480 pixels | 1080x1920 pixels |
| general |
| Brand | Samsung | Samsung | Samsung |
| Model | Galaxy A40 | Galaxy J6 | Galaxy C7 |
| Release date | March 1, 2019 | May 1, 2018 | - |
| Form factor | Touchscreen | Touchscreen | Touchscreen |
| Dimensions (mm) | 144.30 x 69.10 x 7.90 | 149.30 x 70.20 x 8.20 | 156.60 x 77.20 x 6.70 |
| Battery capacity (mAh) | 3100 | 3000 | 3300 |
| Colours | Blue, Black, Orange, White | Black, Blue, Gold | Silver, Gold, Grey, Rose Gold |
| Launched in India | - | Yes | - |
| Body type | - | Plastic | - |
| Weight (g) | - | 154.00 | 165.00 |
| Removable battery | - | No | No |
| display |
| Screen size (inches) | 5.90 | 5.60 | 5.70 |
| Touchscreen | Yes | Yes | Yes |
| Resolution | 1080x2280 pixels | 720x1480 pixels | 1080x1920 pixels |
| Aspect ratio | 19:9 | 18.5:9 | - |
| Protection type | - | Gorilla Glass | - |
| Pixels per inch (PPI) | - | 293 | - |
| hardware |
| Processor | 1.8GHz octa-core | 1.6GHz octa-core | 2GHz octa-core |
| Processor make | Samsung Exynos 7885 | Samsung Exynos 7 Octa 7870 | Qualcomm Snapdragon 625 |
| RAM | 4GB | 3GB | 4GB |
| Internal storage | 64GB | 32GB | 32GB |
| Expandable storage | Yes | Yes | Yes |
| Expandable storage type | microSD | microSD | microSD |
| Expandable storage up to (GB) | - | 256 | 128 |
| camera |
| Rear camera | 16-megapixel (f/2.0) | 13-megapixel (f/1.9) | 16-megapixel |
| Rear autofocus | Yes | Yes | - |
| Rear flash | Yes | LED | Dual LED |
| Front camera | 25-megapixel | 8-megapixel (f/1.9) | 8-megapixel |
| Front flash | - | LED | LED |
| software |
| Operating system | Android 9.0 Pie | Android 8.0 | Android 6.0.1 |
| Skin | One UI | Samsung Experience 9.0 | - |
| connectivity |
| Wi-Fi | Yes | Yes | Yes |
| GPS | Yes | Yes | Yes |
| Bluetooth | Yes, v 4.20 | Yes, v 4.20 | Yes, v 4.20 |
| NFC | Yes | - | Yes |
| USB Type-C | Yes | - | - |
| Headphones | 3.5mm | 3.5mm | - |
| Number of SIMs | 2 | 2 | 2 |
| Wi-Fi standards supported | - | 802.11 b/g/n | 802.11 a/b/g/n/ac |
| Micro-USB | - | Yes | - |
| FM | - | Yes | No |
| Infrared | - | - | No |
| USB OTG | - | - | No |
| Wi-Fi Direct | - | - | No |
| Mobile High-Definition Link (MHL) | - | - | No |
| sim 1 |
| SIM Type | Nano-SIM | Nano-SIM | - |
| GSM/CDMA | GSM | GSM | GSM |
| 3G | Yes | Yes | Yes |
| 4G/ LTE | Yes | Yes | Yes |
| sim 2 |
| SIM Type | Nano-SIM | Nano-SIM | - |
| GSM/CDMA | GSM | GSM | GSM |
| 3G | Yes | Yes | Yes |
| 4G/ LTE | Yes | Yes | Yes |
| sensors |
| Face unlock | Yes | - | - |
| Fingerprint sensor | Yes | Yes | - |
| Compass/ Magnetometer | Yes | - | No |
| Proximity sensor | Yes | Yes | Yes |
| Accelerometer | Yes | Yes | Yes |
| Ambient light sensor | Yes | - | Yes |
| Gyroscope | Yes | - | No |
| Barometer | - | - | No |
| Temperature sensor | - | - | No |
| ratings |
| Overall NDTV Rating | - | Read Review | - |
| Design Rating | - | | - |
| Display Rating | - | | - |
| Software Rating | - | | - |
| Performance Rating | - | | - |
| Battery Life Rating | - | | - |
| Camera Rating | - | | - |
| Value for Money Rating | - | | - |