Compare phones
| Global Score | |
| 82.4 | 86.5 |
| Basic Information | |
| Samsung | Samsung |
| Android 9.0 Pie, 8.1 Oreo | Android 11, 10 |
| 2019-03-07 | 2020-03-05 |
| 6.26 x 2.96 x 0.33 inches | 6.27 x 2.96 x 0.35 inches |
| 6.14 ounces | 6.74 ounces |
| Black and Blue | Black, Blue and Red |
| Plastic | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.4 inches | 6.4 inches |
| 2280 x 1080 pixels | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 394 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 |
| 6 GB RAM | 6 GB RAM |
| Mali-G71 MP2 GPU | Mali-G72 MP3 GPU |
| 9 | 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 | |
| 13.00 MP + 16.00 MP | 64.00 MP + 32.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 27.00mm focal length | 26.00mm focal length |
| 0.32 inches (1/3.1") 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 |
| 9.13 | 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 | |
| 5000mAh Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Galaxy M31 is a bit better than Galaxy M30, having a score of 86.5 against 82.4. Even though Galaxy M31 is newer than the Galaxy M30, it's a bit thicker and just a little bit heavier. These devices use Android OS (Operating System), but the Galaxy M31 has the previous 11 version and Galaxy M30 has Android 9.0 Pie version.
The Galaxy M31 features a bit better looking display than Galaxy M30, and although they both have a screen of the same size, the Galaxy M31 also has a quite better pixels quantity in each inch of screen and a slightly higher 1080 x 2340 resolution. The Galaxy M30 features a superior storage capacity for applications, games, photos and videos than Galaxy M31, and although they both have a slot for SD memory cards that supports a maximum of 512 GB, the Galaxy M30 also has 128 GB internal memory capacity.
The Galaxy M31 has a little better processing power than Samsung Galaxy M30. They have 6 GB of RAM memory and the same number of cores. The Galaxy M31 captures much better photographs and videos than Galaxy M30, because it has a way larger back camera sensor, a much better video resolution, a much more MP camera and a bigger aperture to capture better photography and video in low light situations.
Samsung Galaxy M31 features greater battery performance than Galaxy M30, because it has a 6000mAh battery capacity.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.