Compare phones
| Global Score | |
| 81.1 | 81.3 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 10 | Android 10 |
| 2020-05-05 | 2020-04-27 |
| 6.53 x 3.02 x 0.35 inches | 6.27 x 2.88 x 0.34 inches |
| 7.37 ounces | 6.53 ounces |
| Glacier white, Interstellar gray and Tropical green | Prism Crush black, Prism Crush blue, Prism Crush red and Prism Crush white |
| Glass (Corning Gorilla Glass 5) and Plastic | Plastic |
| Scratch-Resistant Glass | -- |
| $ 291.00 | -- |
| Display / Screen | |
| 6.7 inches | 6.4 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 393 pixels per inch | 411 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 720G SM7125 chipset | MediaTek Helio P65 MT6768 chipset |
| Kryo 465, 64-bit, 8 nm (Octa-Core 2300 MHz) processor | Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Adreno 618 GPU | Mali-G52 MC2 GPU |
| 9.36 | 9.09 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 11.74 | 11.74 |
| Camera | |
| 64.00 MP + 16.00 MP | 48.00 MP + 20.00 MP |
| f/1.90 aperture | f/2.00 aperture |
| 26.00mm focal length | 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 (30 fps) (Full HD) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | -- |
| 12.1 | 10.89 |
| 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 | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 6.8 |
| 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 |
Comparison review
Samsung Galaxy A31 is slightly better than Xiaomi Redmi Note 9 Pro, having a overall score of 81.3 against 81.1. These phones work with the same Android 10 operating system. Samsung Galaxy A31's body is a little thinner and somewhat lighter than the Xiaomi Redmi Note 9 Pro, even when both were released with only a couple of months difference.
The Xiaomi Redmi Note 9 Pro features a bit more powerful CPU than Galaxy A31, and although they both have 8 cpu cores, the Xiaomi Redmi Note 9 Pro also has a greater amount of RAM. The Galaxy A31 has a bit better display than Xiaomi Redmi Note 9 Pro, because although it has a quite smaller screen, and they both have the same resolution of 1080 x 2400 pixels, the Galaxy A31 also counts with a bit higher display density.
Galaxy A31's memory for applications, games, photos and videos is very similar to Xiaomi Redmi Note 9 Pro's one, they have exactly the same 64 GB internal memory and a slot for external memory cards that allows up to 512 GB. Xiaomi Redmi Note 9 Pro counts with a much better camera than Galaxy A31, because it has a camera in the back with much more MP, a bigger sensor providing a better image quality, a way higher (4K) video definition and a bigger aperture to take better low-light captures.
The Galaxy A31 features a battery duration that is very similar to the battery duration in Xiaomi Redmi Note 9 Pro, although the Galaxy A31 has a 0 percent smaller battery capacity.
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