Samsung Galaxy A40 vs Samsung Galaxy J7 vs Samsung Galaxy S5 comparison
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| key specs |
| Display | 5.90-inch | 5.50-inch | 5.10-inch |
| Processor | Samsung Exynos 7885 | Samsung Exynos 7 Octa 7580 | Samsung Exynos 5420 |
| Front Camera | 25-megapixel | 5-megapixel | 2-megapixel |
| Rear Camera | 16-megapixel | 13-megapixel | 16-megapixel |
| RAM | 4GB | 1.5GB | 2GB |
| Storage | 64GB | 16GB | 16GB |
| Battery Capacity | 3100mAh | 3000mAh | 2800mAh |
| OS | Android 9.0 Pie | Android 5.1 | Android 4.4.2 |
| Resolution | 1080x2280 pixels | 720x1280 pixels | 1080x1920 pixels |
| general |
| Brand | Samsung | Samsung | Samsung |
| Model | Galaxy A40 | Galaxy J7 | Galaxy S5 |
| Release date | March 1, 2019 | June 1, 2015 | April 1, 2014 |
| Form factor | Touchscreen | Touchscreen | Touchscreen |
| Dimensions (mm) | 144.30 x 69.10 x 7.90 | 152.40 x 78.60 x 7.50 | 142.00 x 72.50 x 8.10 |
| Battery capacity (mAh) | 3100 | 3000 | 2800 |
| Colours | Blue, Black, Orange, White | Black, White, Gold | White, Black |
| Launched in India | - | Yes | Yes |
| Body type | - | Plastic | Plastic |
| Weight (g) | - | 171.00 | 145.00 |
| Removable battery | - | Yes | Yes |
| Alternate names | - | - | SM-G900H |
| display |
| Screen size (inches) | 5.90 | 5.50 | 5.10 |
| Touchscreen | Yes | Yes | Yes |
| Resolution | 1080x2280 pixels | 720x1280 pixels | 1080x1920 pixels |
| Aspect ratio | 19:9 | 16:9 | 16:9 |
| Protection type | - | - | Gorilla Glass |
| Pixels per inch (PPI) | - | - | 432 |
| hardware |
| Processor | 1.8GHz octa-core | 1.5GHz octa-core | 1.9GHz octa-core |
| Processor make | Samsung Exynos 7885 | Samsung Exynos 7 Octa 7580 | Samsung Exynos 5420 |
| RAM | 4GB | 1.5GB | 2GB |
| Internal storage | 64GB | 16GB | 16GB |
| Expandable storage | Yes | Yes | Yes |
| Expandable storage type | microSD | microSD | microSD |
| Expandable storage up to (GB) | - | 128 | 128 |
| camera |
| Rear camera | 16-megapixel (f/2.0) | 13-megapixel (f/1.9) | 16-megapixel (f/2.2, 1.12-micron) |
| Rear autofocus | Yes | Yes | Phase detection autofocus |
| Rear flash | Yes | LED | LED |
| Front camera | 25-megapixel | 5-megapixel (f/2.2) | 2-megapixel (f/2.4) |
| Front flash | - | LED | - |
| software |
| Operating system | Android 9.0 Pie | Android 5.1 | Android 4.4.2 |
| Skin | One UI | TouchWiz UI | TouchWiz |
| connectivity |
| Wi-Fi | Yes | Yes | Yes |
| GPS | Yes | Yes | Yes |
| Bluetooth | Yes, v 4.20 | Yes, v 4.10 | Yes, v 4.00 |
| NFC | Yes | No | Yes |
| USB Type-C | Yes | - | - |
| Headphones | 3.5mm | 3.5mm | 3.5mm |
| Number of SIMs | 2 | 2 | 1 |
| Wi-Fi standards supported | - | 802.11 b/g/n | 802.11 a/b/g/n/ac |
| Infrared | - | No | Yes |
| USB OTG | - | Yes | No |
| Micro-USB | - | Yes | Yes |
| FM | - | Yes | No |
| Wi-Fi Direct | - | Yes | Yes |
| Mobile High-Definition Link (MHL) | - | No | Yes |
| sim 1 |
| SIM Type | Nano-SIM | Micro-SIM | Micro-SIM |
| GSM/CDMA | GSM | GSM | GSM |
| 3G | Yes | Yes | Yes |
| 4G/ LTE | Yes | Yes | Yes |
| sim 2 |
| SIM Type | Nano-SIM | Micro-SIM | - |
| GSM/CDMA | GSM | GSM | - |
| 3G | Yes | Yes | - |
| 4G/ LTE | Yes | No | - |
| sensors |
| Face unlock | Yes | - | - |
| Fingerprint sensor | Yes | - | Yes |
| Compass/ Magnetometer | Yes | No | Yes |
| Proximity sensor | Yes | Yes | Yes |
| Accelerometer | Yes | Yes | Yes |
| Ambient light sensor | Yes | No | Yes |
| Gyroscope | Yes | No | Yes |
| Barometer | - | No | Yes |
| Temperature sensor | - | No | No |
| ratings |
| Overall NDTV Rating | - | - | Read Review |
| Design Rating | - | - | |
| Display Rating | - | - | |
| Software Rating | - | - | |
| Performance Rating | - | - | |
| Battery Life Rating | - | - | |
| Camera Rating | - | - | |
| Value for Money Rating | - | - | |