Compare phones
| Global Score | |
| 81.3 | 86.5 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | Android 11, 10 |
| 2020-04-27 | 2020-03-05 |
| 6.27 x 2.88 x 0.34 inches | 6.27 x 2.96 x 0.35 inches |
| 6.53 ounces | 6.74 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush red and Prism Crush white | Black, Blue and Red |
| Plastic | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.4 inches | 6.4 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 411 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 8.4 |
| Performance | |
| MediaTek Helio P65 MT6768 chipset | Exynos 9611 chipset |
| Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Mali-G52 MC2 GPU | Mali-G72 MP3 GPU |
| 9.09 | 9.36 |
| 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 | |
| 48.00 MP + 20.00 MP | 64.00 MP + 32.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 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 |
| 10.89 | 12.1 |
| 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 | |
| 5000mAh Li - Polymer Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 7.52 |
| 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
The Galaxy M31 has a general score of 86.5, which is slightly better than Samsung Galaxy A31's 81.3 general score. Both of these phones use Android operating system, but Galaxy M31 has a newer 11 version and Samsung Galaxy A31 has Android 10, so it gives a lot of extra features. Galaxy M31 is a just a bit heavier and a bit thicker phone than Samsung Galaxy A31.
The Galaxy M31 features a bit more vivid display than Galaxy A31, although it has a quite lower 1080 x 2340 pixels resolution and a bit lower pixel density, they both have a display with the same size. Galaxy M31 has just a little better performance than Samsung Galaxy A31, and although they both have the same number of cores, the Galaxy M31 also has more RAM memory.
Galaxy M31's memory capacity for applications, games, photos and videos is very similar to Samsung Galaxy A31's one, both have the same 64 GB internal storage capacity and a slot for an external memory card that supports up to 512 GB. Galaxy M31 takes much clearer photographs and videos than Galaxy A31, because it has a lot better video resolution, a lot more MP back facing camera, a bigger aperture to take better photos and video in low light situations and a bigger camera sensor which offers a higher photo and video quality.
The Samsung Galaxy M31 counts with improved battery lifetime than Samsung Galaxy A31, because it has a 20 percent greater battery capacity.
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