Compare phones
| Global Score | |
| 80.6 | 81.3 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 14 | Android 10 |
| 2024-10-29 | 2020-04-27 |
| 6.00 x 2.80 x 0.32 inches | 6.27 x 2.88 x 0.34 inches |
| 6.67 ounces | 6.53 ounces |
| -- | Prism Crush black, Prism Crush blue, Prism Crush red and Prism Crush white |
| Glass | Plastic |
| Display / Screen | |
| 6.4 inches | 6.4 inches |
| 2670 x 1200 pixels | 2400 x 1080 pixels |
| OLED | Super AMOLED |
| 457 pixels per inch | 411 pixels per inch |
| 3200 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 10.2 | 8.1 |
| Performance | |
| Snapdragon 8 Elite SM8750-AB (3 nm) chipset | MediaTek Helio P65 MT6768 chipset |
| processor | Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 12 GB RAM | 4 GB RAM |
| Adreno 830 GPU | Mali-G52 MC2 GPU |
| 6.21 | 9.09 |
| Storage | |
| 256 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 13.3 | 11.74 |
| Camera | |
| 50.00 MP + 32.00 MP | 48.00 MP + 20.00 MP |
| f/1.60 aperture | f/2.00 aperture |
| 23.00mm focal length | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| 7680 x 4320 (30 fps) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1920 x 1080 (960 fps) (Full HD) slow motion video | -- |
| 12.1 | 10.89 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 7 | 6.7 |
| Battery Life | |
| 5400mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 7.12 | 6.8 |
| Other Features | |
| Bluetooth 5.4 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass and Gyroscope | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The Galaxy A31 has an overall score of 81.3, which is a little bit better than Xiaomi 15's 80.6 score. Galaxy A31 is a notably older and just a bit thicker phone than Xiaomi 15, but Samsung could make it a little bit lighter anyway. Both phones in this comparison review include Android operating system, but Galaxy A31 has the previous 10 version and Xiaomi 15 has Android 14 version.
The Galaxy A31 counts with a much powerful processor than Xiaomi 15, although it has a smaller amount of RAM memory, they both have the same number of cores. Xiaomi 15 features a way better looking screen than Galaxy A31, and although they both have a same size screen, the Xiaomi 15 also has a slightly higher 1200 x 2670 resolution and a little bit greater pixel density.
Xiaomi 15 features more memory to install applications and games than Samsung Galaxy A31, because although it has no SD memory card expansion slot, it also counts with 256 GB internal storage capacity. Xiaomi 15 has a much better camera than Galaxy A31, because it has a lot better 7680x4320 video resolution, a back facing camera with more mega-pixels and a bigger aperture to capture better photos and video in low light environments.
Xiaomi 15 has a little better battery duration than Galaxy A31, because it has 5400mAh of battery capacity.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.