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- Samsung Galaxy A40 vs Redmi Note 7 Pro vs Samsung Galaxy J7 (2018)
Samsung Galaxy A40 vs Redmi Note 7 Pro vs Samsung Galaxy J7 (2018) comparison
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| key specs | ||||
| Display | 5.90-inch | 6.30-inch | 5.50-inch | |
| Processor | Samsung Exynos 7885 | Qualcomm Snapdragon 675 | dual-core | |
| Front Camera | 25-megapixel | 13-megapixel | 13-megapixel | |
| Rear Camera | 16-megapixel | 48-megapixel + 5-megapixel | 13-megapixel | |
| RAM | 4GB | 4GB | - | |
| Storage | 64GB | 64GB | - | |
| Battery Capacity | 3100mAh | 4000mAh | - | |
| OS | Android 9.0 Pie | Android Pie | Android | |
| Resolution | 1080x2280 pixels | 1080x2340 pixels | 720x1080 pixels | |
| general | ||||
| Brand | Samsung | Xiaomi | Samsung | |
| Model | Galaxy A40 | Redmi Note 7 Pro | Galaxy J7 (2018) | |
| Release date | March 1, 2019 | February 1, 2019 | June 1, 2018 | |
| Form factor | Touchscreen | Touchscreen | Touchscreen | |
| Dimensions (mm) | 144.30 x 69.10 x 7.90 | 159.21 x 75.21 x 8.10 | - | |
| Battery capacity (mAh) | 3100 | 4000 | - | |
| Colours | Blue, Black, Orange, White | Classic Space Black, Nebula Red, Neptune Blue | Black | |
| Launched in India | - | Yes | - | |
| Body type | - | Glass | - | |
| Weight (g) | - | 186.00 | - | |
| Removable battery | - | No | - | |
| Fast charging | - | Quick Charge 4+ | - | |
| display | ||||
| Screen size (inches) | 5.90 | 6.30 | 5.50 | |
| Touchscreen | Yes | Yes | Yes | |
| Resolution | 1080x2280 pixels | 1080x2340 pixels | 720x1080 pixels | |
| Aspect ratio | 19:9 | 19.5:9 | 16:9 | |
| Protection type | - | Gorilla Glass | - | |
| Pixels per inch (PPI) | - | 409 | - | |
| hardware | ||||
| Processor | 1.8GHz octa-core | 2GHz octa-core | dual-core | |
| Processor make | Samsung Exynos 7885 | Qualcomm Snapdragon 675 | - | |
| RAM | 4GB | 4GB | - | |
| Internal storage | 64GB | 64GB | - | |
| Expandable storage | Yes | Yes | Yes | |
| Expandable storage type | microSD | microSD | microSD | |
| Expandable storage up to (GB) | - | - | 256 | |
| camera | ||||
| Rear camera | 16-megapixel (f/2.0) | 48-megapixel (f/1.79, 1.6-micron) + 5-megapixel | 13-megapixel (f/1.9) | |
| Rear autofocus | Yes | Yes | - | |
| Rear flash | Yes | LED | LED | |
| Front camera | 25-megapixel | 13-megapixel | 13-megapixel (f/1.9) | |
| software | ||||
| Operating system | Android 9.0 Pie | Android Pie | Android | |
| Skin | One UI | MIUI 10 | - | |
| connectivity | ||||
| Wi-Fi | Yes | Yes | Yes | |
| GPS | Yes | Yes | Yes | |
| Bluetooth | Yes, v 4.20 | Yes, v 5.00 | Yes | |
| NFC | Yes | - | - | |
| USB Type-C | Yes | Yes | - | |
| Headphones | 3.5mm | 3.5mm | 3.5mm | |
| Number of SIMs | 2 | 2 | 2 | |
| Wi-Fi standards supported | - | 802.11 a/b/g/n/ac | - | |
| Infrared | - | Yes | - | |
| USB OTG | - | Yes | - | |
| Active 4G on both SIM cards | - | Yes | - | |
| Micro-USB | - | - | Yes | |
| sim 1 | ||||
| SIM Type | Nano-SIM | 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 | Nano-SIM | |
| GSM/CDMA | GSM | GSM | GSM | |
| 3G | Yes | Yes | Yes | |
| 4G/ LTE | Yes | Yes | Yes | |
| sensors | ||||
| Face unlock | Yes | Yes | - | |
| Fingerprint sensor | Yes | Yes | - | |
| Compass/ Magnetometer | Yes | Yes | - | |
| Proximity sensor | Yes | Yes | - | |
| Accelerometer | Yes | Yes | Yes | |
| Ambient light sensor | Yes | Yes | - | |
| Gyroscope | Yes | Yes | - | |
| ratings | ||||
| Overall NDTV Rating | - | Read Review | - | |
| Design Rating | - | - | ||
| Display Rating | - | - | ||
| Software Rating | - | - | ||
| Performance Rating | - | - | ||
| Battery Life Rating | - | - | ||
| Camera Rating | - | - | ||
| Value for Money Rating | - | - | ||
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