Compare phones
| Global Score | |
| 79.8 | 86.5 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10, 9.0 Pie | Android 11, 10 |
| 2019-09-20 | 2020-03-05 |
| 6.24 x 2.94 x 0.30 inches | 6.27 x 2.96 x 0.35 inches |
| 5.86 ounces | 6.74 ounces |
| Prism crush black, Prism crush green, Prism crush violet and Prism crush white | Black, Blue and Red |
| -- | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.4 inches | 6.4 inches |
| 1560 x 720 pixels | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 268 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.2 | 8.4 |
| Performance | |
| Samsung Exynos 7 Octa 7885 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 | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 14.14 | 11.74 |
| Camera | |
| 25.00 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 |
| -- | 0.59 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 |
| 9.68 | 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 | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 4000mAh Li - Polymer 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, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Galaxy M31 has a global score of 86.5, which is slightly better than the Galaxy A30s's 79.8 score. Galaxy M31's body is heavier and somewhat thicker than Galaxy A30s. These phones use the same Android 11 OS, so you shouldn't see any difference regarding operating system features. Samsung Galaxy M31 counts with a little better processing power than Galaxy A30s, and although they both have 8 CPU cores, the Samsung Galaxy M31 also has more RAM memory.
Galaxy M31 features a more vivid screen than Galaxy A30s, and although they both have a screen of the same size, the Galaxy M31 also has a lot higher 1080 x 2340 resolution and a way greater pixels density. The Samsung Galaxy A30s has a much bigger storage capacity for apps and games than Galaxy M31, and although they both have an external memory slot that admits a maximum of 512 GB, the Samsung Galaxy A30s also has 128 GB internal memory capacity.
Galaxy M31 counts with a much better camera than Galaxy A30s, because although it has a tinier aperture which is not favorable for capturing photographs and videos in low light situations, it also counts with a much higher resolution camera and a much better 3840x2160 (4K) video resolution. Galaxy M31 has a much longer battery life than Galaxy A30s, because it has 6000mAh of battery capacity against 4000mAh.
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