Compare phones
| Global Score | |
| 75.8 | 86.5 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 11, 10 |
| 2017-01-13 | 2020-03-05 |
| 5.75 x 2.81 x 0.31 inches | 6.27 x 2.96 x 0.35 inches |
| 5.61 ounces | 6.74 ounces |
| Black sky, Blue mist, Gold sand and Peach cloud | Black, Blue and Red |
| Glass and Metal | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 5.2 inches | 6.4 inches |
| 1920 x 1080 pixels (Full HD) | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 424 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 8.4 |
| Performance | |
| Samsung Exynos 7 Octa 7880 chipset | Exynos 9611 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1900 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| Mali-T830 MP3 GPU | Mali-G72 MP3 GPU |
| 9 | 9.36 |
| 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 | |
| 16.00 MP + 16.00 MP | 64.00 MP + 32.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 27.00mm focal length | 26.00mm focal length |
| -- | 0.59 inches (1/1.7") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 9.24 | 12.1 |
| Networks | |
| Wi-Fi | Wi-Fi |
| -- | Mobile Hotspot |
| LTE-A (4G), LTE (4G) and HSPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 5.5 | 6.7 |
| Battery Life | |
| 3000mAh Li - Ion Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 4.96 | 7.52 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Galaxy M31 is better than Galaxy A5 (2017), having a score of 86.5 against 75.8. Galaxy M31's body is a lot newer than Galaxy A5 (2017)'s, but it is thicker and heavier. The Galaxy M31 features a bit superior processor than Galaxy A5 (2017), and although they both have 8 processing cores, the Galaxy M31 also has 3 GB more RAM.
The Galaxy M31 has just a bit better screen than Galaxy A5 (2017), because although it has a little bit lower screen density, it also counts with a quite better 1080 x 2340px resolution and a larger display. Galaxy M31 takes way better photos and videos than Samsung Galaxy A5 (2017), because it has a larger aperture, a lot better 3840x2160 (4K) video definition and a way more mega-pixels back camera.
The Galaxy M31 has a superior memory capacity to install applications and games or saving photos and videos than Galaxy A5 (2017), because it has 64 GB internal storage and an external memory card slot that allows a maximum of 512 GB. Samsung Galaxy M31 has a very superior battery duration than Galaxy A5 (2017), because it has a 100% greater battery size.
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