Compare phones
| Global Score | |
| 75 | 81.3 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 9.0 Pie, 8.1 Oreo, 8.0 Oreo, 7.1 Nougat | Android 10 |
| 2017-09-12 | 2020-04-27 |
| 6.12 x 2.98 x 0.29 inches | 6.27 x 2.88 x 0.34 inches |
| 5.82 ounces | 6.53 ounces |
| Black, Gold and Pink | Prism Crush black, Prism Crush blue, Prism Crush red and Prism Crush white |
| Metal | Plastic |
| Display / Screen | |
| 5.5 inches | 6.4 inches |
| 1920 x 1080 pixels (Full HD) | 2400 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 401 pixels per inch | 411 pixels per inch |
| 450 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 625 8953 chipset | MediaTek Helio P65 MT6768 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2000 MHz) processor | Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Adreno 506 GPU | Mali-G52 MC2 GPU |
| 9.09 | 9.09 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 10.78 | 11.74 |
| Camera | |
| 12.00 MP + 5.00 MP | 48.00 MP + 20.00 MP |
| f/2.20 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| -- | 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 (120 fps) (HD) slow motion video | -- |
| 9.35 | 10.89 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.1 | 6.7 |
| Battery Life | |
| 3080mAh Li - Ion Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.04 | 6.8 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Galaxy A31 has a score of 81.3, which is just a bit better than the Xiaomi Mi A1's 75 global score. Galaxy A31 is a newer cellphone than Xiaomi Mi A1, but it is heavier and somewhat thicker. Both phones in this review have Android OS (operating system), but the Galaxy A31 has older 10 version while Xiaomi Mi A1 has Android 9.0 Pie.
Xiaomi Mi A1 and Galaxy A31 count with incredibly similar CPUs, both have the same RAM memory amount and a Octa-Core processor. The Xiaomi Mi A1 features a bit better looking display than Galaxy A31, although it has a just a bit worse pixel density, a quite lower resolution of 1080 x 1920 pixels and a quite smaller screen.
The Samsung Galaxy A31 features slightly more memory capacity to install applications and games than Xiaomi Mi A1, and although they both have the same 64 GB internal memory capacity, the Samsung Galaxy A31 also has a SD extension slot that admits a maximum of 512 GB. Galaxy A31 shoots better pictures and videos than Xiaomi Mi A1, and although they both have the same 30 frames per second video frame rates and the same (Full HD) video quality, the Galaxy A31 also has a bigger aperture for better photography and videos in low light situations and a lot higher resolution back-facing camera.
Galaxy A31 counts with a really longer battery duration than Xiaomi Mi A1, because it has 5000mAh of battery capacity against 3080mAh.
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