Compare phones
| Global Score | |
| 76.6 | 86.5 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 10 | Android 11, 10 |
| 2020-05-20 | 2020-03-05 |
| 6.39 x 3.04 x 0.35 inches | 6.27 x 2.96 x 0.35 inches |
| 7.02 ounces | 6.74 ounces |
| Forest green, Midnight gray and Polar white | Black, Blue and Red |
| Plastic | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 283.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.4 inches |
| 2340 x 1080 pixels | 2340 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 396 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8 | 8.4 |
| Performance | |
| MediaTek Helio G85 chipset | Exynos 9611 chipset |
| Arm Cortex-A75 and ArmCortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| Mali G52 MC2 GPU | Mali-G72 MP3 GPU |
| 9.09 | 9.36 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 10.02 | 11.74 |
| Camera | |
| 48.00 MP + 13.00 MP | 64.00 MP + 32.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| 0.5 inches (1/2") 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 (120 fps) (HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 11 | 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 | |
| 5020mAh Li - Polymer 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 | 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
The Galaxy M31 is much better than Xiaomi Redmi Note 9, getting an 86.5 score against 76.6. Both of these devices have Android OS (Operating System), but the Galaxy M31 has a more recent 11 version and Xiaomi Redmi Note 9 has Android 10. The Galaxy M31 body has the same thickness than the Xiaomi Redmi Note 9, but it's just a bit lighter.
The Samsung Galaxy M31 features a bit better display than Xiaomi Redmi Note 9, because although it has a bit smaller screen, and they both have the same resolution of 1080 x 2340 pixels, the Samsung Galaxy M31 also counts with a little bit better pixel count in each inch in the display. The Galaxy M31 counts with a better storage capacity to install applications and games than Xiaomi Redmi Note 9, and although they both have exactly the same internal memory capacity, the Galaxy M31 also has a slot for an external memory card that allows a maximum of 512 GB.
Galaxy M31 counts with just a little better hardware performance than Xiaomi Redmi Note 9, and although they both have 8 CPU cores, the Galaxy M31 also has a larger amount of RAM memory. The Galaxy M31 counts with superior battery life than Xiaomi Redmi Note 9, because it has 6000mAh of battery capacity against 5020mAh.
Galaxy M31 has a much better camera than Xiaomi Redmi Note 9, and although they both have a same size aperture, the Galaxy M31 also has a bigger sensor taking higher quality pictures, a much better 3840x2160 (4K) video definition and a much higher 64 megapixels resolution back camera.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.