Compare phones
| Global Score | |
| 74.6 | 79.6 |
| Basic Information | |
| Samsung | Samsung |
| Android 8.0 Oreo | Android 11, 10, 9.0 Pie |
| -- | 2019-04-10 |
| 6.04 x 3.04 x 0.32 inches | 5.69 x 2.72 x 0.31 inches |
| 6.14 ounces | 4.94 ounces |
| 16 777 216 | Black, Blue, Coral and White |
| Plastic | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 5.5 inches | 5.9 inches |
| 1280 x 720 pixels (HD) | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 267 pixels per inch | 437 pixels per inch |
| No touch screen | No touch screen |
| 7.1 | 8.2 |
| Performance | |
| Samsung Exynos 7 Octa 7884 chipset | Exynos 7904 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| ARM Mali-G71 GPU | Mali-G71 MP2 GPU |
| 8.82 | 8.91 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 8.88 | 11.74 |
| Camera | |
| 13.00 MP + 8.00 MP | 16.00 MP + 25.00 MP |
| f/1.90 aperture | f/1.70 aperture |
| 27.00mm focal length | 27.00mm focal length |
| 0.33 inches (1/3.06") sensor | 0.36 inches (1/2.8") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 9.02 | 9.46 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Micro SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.1 | 6.7 |
| Battery Life | |
| 3000mAh Battery | 3100mAh Li - Polymer Battery |
| Removable Battery | Non-Removable Battery |
| 4.96 | 5.12 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Galaxy A40 has a score of 79.6, which is just a bit better than Samsung Galaxy J7 Duo's score of 74.6. The Galaxy A40 design is somewhat lighter and just a little bit thinner than Samsung Galaxy J7 Duo. These phones use Android OS (Operating System), but Galaxy A40 has older 11 version and Samsung Galaxy J7 Duo has Android 8.0 Oreo.
The Samsung Galaxy A40 has a more vivid screen than Galaxy J7 Duo, because it has a much greater display density, a little bit bigger display and a much higher 1080 x 2340 pixels resolution. The Samsung Galaxy A40 counts with a bit more powerful CPU than Galaxy J7 Duo. They have a Octa-Core CPU and a 4 GB RAM memory.
The Samsung Galaxy A40 takes slightly better videos and photos than Samsung Galaxy J7 Duo, and although they both have the same (Full HD) video definition and the same 30 frames per second video frame rates, the Samsung Galaxy A40 also has a larger aperture for better low-light captures and videos, a camera with a better resolution and a bigger sensor.
The Galaxy A40 has much more storage capacity for apps and games than Galaxy J7 Duo, because it has a SD extension slot that supports up to 512 GB and more internal memory. The Samsung Galaxy A40 has just a little bit longer battery life than Galaxy J7 Duo, because it has a 3% greater battery size.
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