Compare phones
| Global Score | |
| 81.3 | 82.4 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | Android 9.0 Pie, 8.1 Oreo |
| 2020-04-27 | 2019-03-07 |
| 6.27 x 2.88 x 0.34 inches | 6.26 x 2.96 x 0.33 inches |
| 6.53 ounces | 6.14 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush red and Prism Crush white | Black and Blue |
| Plastic | Plastic |
| Display / Screen | |
| 6.4 inches | 6.4 inches |
| 2400 x 1080 pixels | 2280 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 411 pixels per inch | 394 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8 |
| Performance | |
| MediaTek Helio P65 MT6768 chipset | Samsung Exynos 7 Octa 7904 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, 14 nm (Octa-Core 1800 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Mali-G52 MC2 GPU | Mali-G71 MP2 GPU |
| 9.09 | 9 |
| 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 | |
| 48.00 MP + 20.00 MP | 13.00 MP + 16.00 MP |
| f/2.00 aperture | f/1.90 aperture |
| 26.00mm focal length | 27.00mm focal length |
| 0.5 inches (1/2") sensor | 0.32 inches (1/3.1") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 10.89 | 9.13 |
| 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 | 5000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 6.8 |
| 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 and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Galaxy M30 is just a bit better than the Galaxy A31, with a general score of 82.4 against 81.3. Galaxy M30 is an older cellphone than Galaxy A31, but it is a little lighter and just a little bit thinner anyway. Both phones in this review include Android OS, but the Galaxy M30 has newer 9.0 Pie version while Galaxy A31 has Android 10 version.
The Galaxy A31 counts with a bit faster CPU than Samsung Galaxy M30, although it has less RAM, they both have the same number of cores. Samsung Galaxy A31 has a bit better display than Samsung Galaxy M30, and although they both have a same size display, the Samsung Galaxy A31 also has a just a little greater screen pixels density and a slightly better 1080 x 2400 resolution.
Galaxy A31 counts with a better camera than Samsung Galaxy M30, because although it has a smaller diafragm aperture which is not good for low-light captures and videos, and they both have the same 1920x1080 video resolution and the same 30 frames per second video frame rates, the Galaxy A31 also counts with a lot bigger sensor shooting way higher quality videos and pictures and a camera with a much better 48 mega pixels resolution.
Samsung Galaxy M30 counts with a superior memory for applications, games, photos and videos than Samsung Galaxy A31, and although they both have a SD card slot that supports a maximum of 512 GB, the Samsung Galaxy M30 also has 64 GB more internal storage. Galaxy M30's battery lifetime is just as good as the battery duration in Galaxy A31.
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