Compare phones
| Global Score | |
| 86.5 | 75.8 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | -- |
| 2020-03-05 | 2017-01-13 |
| 6.27 x 2.96 x 0.35 inches | 6.17 x 3.06 x 0.31 inches |
| 6.74 ounces | 6.56 ounces |
| Black, Blue and Red | Black sky, Blue mist, Gold sand and Peach cloud |
| Plastic and Plastic | Aluminum and Glass (Corning Gorilla Glass 4) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.4 inches | 5.7 inches |
| 2340 x 1080 pixels | 1920 x 1080 pixels (Full HD) |
| Super AMOLED | Super AMOLED |
| 403 pixels per inch | 386 pixels per inch |
| 420 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 7.9 |
| Performance | |
| Exynos 9611 chipset | Samsung Exynos 7 Octa 7880 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1900 MHz) processor |
| 6 GB RAM | 3 GB RAM |
| Mali-G72 MP3 GPU | Mali-T830 MP3 GPU |
| 9.36 | 9 |
| Storage | |
| 64 GB internal memory | 32 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 256 GB) external memory slot |
| 11.74 | 8.88 |
| Camera | |
| 64.00 MP + 32.00 MP | 16.00 MP + 16.00 MP |
| f/1.80 aperture | f/1.90 aperture |
| 26.00mm focal length | -- |
| 0.59 inches (1/1.7") sensor | -- |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | -- |
| 12.1 | 9.24 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G) and HSPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.1 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 3600mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 5.6 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.2 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Galaxy M31 is much better than Samsung Galaxy A7 (2017), getting a score of 86.5 against 75.8. Even though the Galaxy M31 is a lot newer than Samsung Galaxy A7 (2017), it's thicker and a bit heavier. Galaxy M31 has a little faster processor than Samsung Galaxy A7 (2017), and although they both have the same number of cores, the Galaxy M31 also has a higher amount of RAM memory.
Galaxy M31 counts with a little bit better looking display than Galaxy A7 (2017), because it has a little bit higher pixels number in each inch in the screen, a quite better resolution of 1080 x 2340 and a little bit larger screen. Samsung Galaxy M31 counts with a much greater memory for applications, games, photos and videos than Samsung Galaxy A7 (2017), because it has 32 GB more internal storage capacity and a SD memory card expansion slot that holds up to 512 GB.
The Samsung Galaxy M31 features a really longer battery lifetime than Galaxy A7 (2017), because it has a 6000mAh battery size against 3600mAh. Samsung Galaxy M31 has a greater camera than Samsung Galaxy A7 (2017), because it has a back-facing camera with a much better 64 megapixels resolution, a way better 3840x2160 video definition and a larger aperture to take better photography and video in low light environments.
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