Compare phones
| Global Score | |
| 73.5 | 79.6 |
| Basic Information | |
| Samsung | Samsung |
| Android 9.0 Pie, 7.0 Nougat | Android 11, 10, 9.0 Pie |
| 2017-07-01 | 2019-04-10 |
| 6.00 x 2.94 x 0.31 inches | 5.69 x 2.72 x 0.31 inches |
| 6.38 ounces | 4.94 ounces |
| Black, Gold, Rose gold and Silver | Black, Blue, Coral and White |
| Aluminum | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 5.5 inches | 5.9 inches |
| 1920 x 1080 pixels (Full HD) | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 401 pixels per inch | 437 pixels per inch |
| No touch screen | No touch screen |
| 7.9 | 8.2 |
| Performance | |
| Samsung Exynos 7 Octa 7870 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 |
| 3 GB RAM | 4 GB RAM |
| Mali-T830 MP2 GPU | Mali-G71 MP2 GPU |
| 8.73 | 8.91 |
| Storage | |
| 16 GB internal memory | 64 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 7.48 | 11.74 |
| Camera | |
| 13.00 MP + 13.00 MP | 16.00 MP + 25.00 MP |
| f/1.70 aperture | f/1.70 aperture |
| -- | 27.00mm focal length |
| -- | 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-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3600mAh Battery | 3100mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.6 | 5.12 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy A40 is a bit better than the Samsung Galaxy J7 (2017), getting a 79.6 score against 73.5. These phones include Android OS (Operating System), but Galaxy A40 has an older 11 version and Samsung Galaxy J7 (2017) has Android 9.0 Pie version. The Galaxy A40 design has the same thickness than Samsung Galaxy J7 (2017), but it's way lighter.
The Samsung Galaxy A40 counts with a bit sharper display than Galaxy J7 (2017), because it has a little bigger display, a just a bit higher quantity of pixels in each inch of display and a slightly better resolution of 1080 x 2340. Galaxy A40 features a little faster CPU than Galaxy J7 (2017), and although they both have the same number of cores, the Galaxy A40 also has more RAM.
Samsung Galaxy A40 shoots clearer photos and videos than Galaxy J7 (2017), and although they both have the same video frame rates, the same video quality and a F1.7 aperture, the Samsung Galaxy A40 also has a camera in the back with more mega-pixels. Galaxy A40 has a way bigger storage to install games and applications than Galaxy J7 (2017), because it has 64 GB internal storage and an external memory card slot that admits a maximum of 512 GB.
Galaxy J7 (2017) has just a little bit longer battery lifetime than Samsung Galaxy A40, because it has 3600mAh of battery capacity against 3100mAh.
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