Compare phones
| Global Score | |
| 86.5 | 81.3 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 10 |
| 2020-03-05 | 2020-04-27 |
| 6.27 x 2.96 x 0.35 inches | 6.27 x 2.88 x 0.34 inches |
| 6.74 ounces | 6.53 ounces |
| Black, Blue and Red | Prism Crush black, Prism Crush blue, Prism Crush red and Prism Crush white |
| Plastic and Plastic | Plastic |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.4 inches | 6.4 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 403 pixels per inch | 411 pixels per inch |
| 420 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 8.1 |
| Performance | |
| Exynos 9611 chipset | MediaTek Helio P65 MT6768 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Mali-G72 MP3 GPU | Mali-G52 MC2 GPU |
| 9.36 | 9.09 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 11.74 | 11.74 |
| Camera | |
| 64.00 MP + 32.00 MP | 48.00 MP + 20.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.59 inches (1/1.7") sensor | 0.5 inches (1/2") 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 | 10.89 |
| 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 | |
| 6000mAh Li - Polymer Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | 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 | -- |
Comparison review
Galaxy M31 has a global score of 86.5, which is a little bit better than the Galaxy A31's 81.3 score. The Galaxy M31 construction is just a bit thicker and just a little heavier than the Galaxy A31. These devices use Android operating system, but the Galaxy M31 has a more recent 11 version while Galaxy A31 has Android 10.
The Samsung Galaxy M31 counts with a little more vivid display than Galaxy A31, although it has a little bit worse pixels number in each inch in the display and a little worse resolution of 1080 x 2340, they both have a screen of the same size. Samsung Galaxy M31 has a bit more powerful processing unit than Samsung Galaxy A31, and although they both have the same number of cores, the Samsung Galaxy M31 also has 2 GB more RAM memory.
The Galaxy M31 has a better camera than Samsung Galaxy A31, because it has a bigger back camera sensor taking higher quality videos and photos, a way better 3840x2160 (4K) video resolution, a back facing camera with lot more megapixels and a bigger camera aperture. The Samsung Galaxy A31's storage to store more apps and games is just as good as Galaxy M31's one, both have equal internal storage and an external SD slot that holds up to 512 GB.
The Galaxy M31 counts with greater battery life than Samsung Galaxy A31, because it has 6000mAh of battery capacity.
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