Compare phones
| Global Score | |
| 79.6 | 86.5 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 11, 10 |
| 2019-03-02 | 2020-03-05 |
| 6.24 x 2.94 x 0.30 inches | 6.27 x 2.96 x 0.35 inches |
| 5.82 ounces | 6.74 ounces |
| Black, Blue and White | Black, Blue and Red |
| Plastic | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.4 inches | 6.4 inches |
| 2340 x 1080 pixels | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 403 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8 | 8.4 |
| Performance | |
| Samsung Exynos 7 Octa 7904 chipset | Exynos 9611 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 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-G71 MP2 GPU | Mali-G72 MP3 GPU |
| 8.91 | 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 | |
| 16.00 MP + 16.00 MP | 64.00 MP + 32.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 27.00mm focal length | 26.00mm focal length |
| 0.36 inches (1/2.8") 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 |
| 9.46 | 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 | |
| 4000mAh Li - Ion Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 7.52 |
| 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, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy M31 has a global score of 86.5, which is a bit better than the Samsung Galaxy A30's 79.6 overall score. The Galaxy M31 body is newer than the Samsung Galaxy A30's, but it is somewhat heavier and somewhat thicker. The Galaxy M31 features a little faster processor than Samsung Galaxy A30, and although they both have 8 cpu cores, the Galaxy M31 also has a greater amount of RAM.
The Samsung Galaxy M31 counts with a bit more vivid display than Galaxy A30. They have the same resolution of 1080 x 2340, a greater quantity of pixels per inch in the screen and a same size screen. Galaxy M31 counts with a greater camera than Galaxy A30, because although it has a tinier aperture which is not favorable for taking photos or videos in low-light environments, it also counts with a back camera with a much better 64 mega pixels resolution, a much larger camera sensor providing a way higher image quality and a lot higher video definition.
Galaxy M31's memory capacity for applications and games is very similar to the Galaxy A30 one, both of them have a SD memory card expansion slot that allows up to 512 GB and equal internal storage capacity. The Galaxy M31 counts with a much longer battery duration than Galaxy A30, because it has 6000mAh of battery capacity.
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