Compare phones
| Global Score | |
| 79.6 | 88 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 11, 10 |
| 2019-03-02 | 2020-08-06 |
| 6.24 x 2.94 x 0.30 inches | 6.27 x 2.93 x 0.37 inches |
| 5.82 ounces | 7.16 ounces |
| Black, Blue and White | Mirage black and Mirage blue |
| Plastic | -- |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.4 inches | 6.5 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 403 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8.1 |
| Performance | |
| Samsung Exynos 7 Octa 7904 chipset | Samsung 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 | 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 | |
| 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 |
| -- | 1280 x 720 (480 fps) (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 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
The Galaxy M31s is better than Galaxy A30, having an 88 score against 79.6. The Galaxy M31s construction is newer than the Galaxy A30's, although it's somewhat heavier and thicker. Samsung Galaxy M31s counts with a slightly better display than Galaxy A30, because it has a bit greater count of pixels per inch in the screen, a little larger screen and a bit higher resolution of 1080 x 2400px.
The Galaxy M31s counts with a very superior storage to install games and applications than Galaxy A30, and although they both have a slot for external memory cards that holds a maximum of 512 GB, the Galaxy M31s also has 128 GB internal memory. The Galaxy M31s has a little better performance than Galaxy A30, and although they both have the same number of cores, the Galaxy M31s also has a larger amount of RAM.
The Galaxy M31s features a much better battery performance than Galaxy A30, because it has 6000mAh of battery capacity against 4000mAh. The Galaxy M31s has a much better camera than Samsung Galaxy A30, because although it has a tinier aperture, it also counts with a much larger back-facing camera sensor shooting lot better quality photos and videos, a way more mega-pixels camera and a much better (4K) video definition.
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