Compare phones
| Global Score | |
| 78.8 | 81.3 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 12 | Android 10 |
| 2021-12-28 | 2020-04-27 |
| 6.01 x 2.75 x 0.32 inches | 6.27 x 2.88 x 0.34 inches |
| 6.31 ounces | 6.53 ounces |
| Black, Blue, Green and Pink | Prism Crush black, Prism Crush blue, Prism Crush red and Prism Crush white |
| Aluminum and Glass | Plastic |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.3 inches | 6.4 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| AMOLED | Super AMOLED |
| 418 pixels per inch | 411 pixels per inch |
| 1100 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.9 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 8 Gen1 SM8450 (4 nm) chipset | MediaTek Helio P65 MT6768 chipset |
| processor | Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Adreno 730 GPU | Mali-G52 MC2 GPU |
| 6.21 | 9.09 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 11.74 |
| Camera | |
| 50.00 MP + 32.00 MP | 48.00 MP + 20.00 MP |
| f/1.90 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.64 inches (1/1.56") sensor | 0.5 inches (1/2") sensor |
| 7680 x 4320 (24 fps) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1920 x 1080 (960 fps) (Full HD) slow motion video | -- |
| 12.54 | 10.89 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 10.6 | 6.7 |
| Battery Life | |
| 4500mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.32 | 6.8 |
| Other Features | |
| Bluetooth 5.2 | 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 has a global score of 81.3, which is slightly better than the Xiaomi 12's 78.8 overall score. Samsung Galaxy A31 is an older, a little thicker and a bit heavier cellphone than Xiaomi 12. Both of these phones have Android OS (operating system), but the Samsung Galaxy A31 has older 10 version while Xiaomi 12 has Android 12 version.
The Samsung Galaxy A31 features a much better processing power than Xiaomi 12, although it has a lower amount of RAM memory, they both have 8 processing cores. Xiaomi 12 has a bit sharper display than Samsung Galaxy A31, because although it has a little smaller screen, and they both have the same resolution of 1080 x 2400, the Xiaomi 12 also counts with a just a bit greater number of pixels in each screen inch.
The Xiaomi 12 takes better videos and photos than Galaxy A31, because it has a bigger aperture, a much higher 7680x4320 video resolution, a way bigger back camera sensor and a back-facing camera with a higher 50 megapixels resolution. Galaxy A31 features more memory to install applications and games than Xiaomi 12, because although it has 0 less internal storage, it also counts with a SD memory card expansion slot that admits a maximum of 512 GB.
The Samsung Galaxy A31 has just a little better battery duration than Xiaomi 12, because it has 5000mAh of battery capacity.
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