Compare phones
| Global Score | |
| 86.5 | 79.8 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 11, 10, 9.0 Pie |
| 2020-03-05 | 2019-09-20 |
| 6.27 x 2.96 x 0.35 inches | 6.24 x 2.94 x 0.30 inches |
| 6.74 ounces | 5.86 ounces |
| Black, Blue and Red | Prism crush black, Prism crush green, Prism crush violet and Prism crush white |
| Plastic and Plastic | -- |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.4 inches | 6.4 inches |
| 2340 x 1080 pixels | 1560 x 720 pixels |
| Super AMOLED | Super AMOLED |
| 403 pixels per inch | 268 pixels per inch |
| 420 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 7.2 |
| Performance | |
| Exynos 9611 chipset | Samsung Exynos 7 Octa 7885 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Mali-G72 MP3 GPU | Mali-G71 MP2 GPU |
| 9.36 | 8.91 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 11.74 | 14.14 |
| Camera | |
| 64.00 MP + 32.00 MP | 25.00 MP + 16.00 MP |
| f/1.80 aperture | f/1.70 aperture |
| 26.00mm focal length | 27.00mm 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 | 9.68 |
| 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 |
| 6.7 | 6.7 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Galaxy M31 has a score of 86.5, which is a bit better than Samsung Galaxy A30s's 79.8 score. Both phones in this comparison include the same Android 11 OS (Operating System), so both should give you all the same OS features. Even though Galaxy M31 is a better cellphone than Samsung Galaxy A30s, we must highlight that it is also thicker and heavier.
The Galaxy M31 has a better looking display than Galaxy A30s, and although they both have a display of the same size, the Galaxy M31 also has a way higher count of pixels per display inch and a way better 1080 x 2340px resolution. Samsung Galaxy M31 counts with a bit more powerful processor than Samsung Galaxy A30s, and although they both have a Octa-Core processing unit, the Samsung Galaxy M31 also has 2 GB more RAM memory.
Samsung Galaxy M31 has a lot better camera than Galaxy A30s, because although it has a tinier diafragm aperture which is not good for capturing pictures and video in low light environments, it also counts with a much better video quality and a lot better resolution back facing camera. The Galaxy A30s counts with a much greater storage to install games and applications than Samsung Galaxy M31, and although they both have a SD card slot that allows up to 512 GB, the Galaxy A30s also has 64 GB more internal memory.
Galaxy M31 counts with a much better battery duration than Galaxy A30s, because it has 6000mAh of battery capacity.
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