Compare phones
| Global Score | |
| 86.5 | 80.3 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | -- |
| 2020-03-05 | 2019-01-15 |
| 6.27 x 2.96 x 0.35 inches | 6.27 x 2.96 x 0.32 inches |
| 6.74 ounces | 6.56 ounces |
| Black, Blue and Red | Black, Blue and Red |
| Plastic and Plastic | Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.4 inches | 6.3 inches |
| 2340 x 1080 pixels | 2340 x 1080 pixels |
| Super AMOLED | IPS LCD |
| 403 pixels per inch | 409 pixels per inch |
| 420 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 8.1 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 660 SDM660 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Mali-G72 MP3 GPU | Adreno 512 GPU |
| 9.36 | 9.18 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 256 GB) external memory slot |
| 11.74 | 13.18 |
| Camera | |
| 64.00 MP + 32.00 MP | 48.00 MP + 13.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | -- |
| 0.59 inches (1/1.7") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (120 fps) (Full HD) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | -- |
| 12.1 | 11.44 |
| 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 |
| 6.7 | 6.7 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 4000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Galaxy M31 has a general score of 86.5, which is a little bit better than Xiaomi Redmi Note 7's 80.3 global score. The Galaxy M31 design is newer, but just a little bit heavier and just a bit thicker than the Xiaomi Redmi Note 7. The Samsung Galaxy M31 has a little sharper screen than Xiaomi Redmi Note 7, because although it has a bit less pixels per inch of display, and they both have the same exact resolution of 1080 x 2340, the Samsung Galaxy M31 also counts with a little bit larger screen.
Samsung Galaxy M31 counts with a bit better processing power than Xiaomi Redmi Note 7, and although they both have a Octa-Core processing unit, the Samsung Galaxy M31 also has more RAM. The Xiaomi Redmi Note 7 has a better memory to store more games and applications than Galaxy M31, because although it has a slot for external memory cards that supports 256 GB smaller, it also counts with 64 GB more internal storage.
The Galaxy M31 counts with a slightly better camera than Xiaomi Redmi Note 7, and although they both have a same size camera aperture, the Galaxy M31 also has a lot better 64 mega pixels resolution back facing camera, a larger camera sensor shooting higher quality pictures and videos and a much higher 3840x2160 video quality.
The Samsung Galaxy M31 features a way better battery duration than Xiaomi Redmi Note 7, because it has a 50 percent more battery size.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.