Compare phones
| Global Score | |
| 79.2 | 88 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11, 10, 9.0 Pie | Android 11, 10 |
| 2019-07-24 | 2020-08-06 |
| 6.04 x 2.83 x 0.33 inches | 6.27 x 2.93 x 0.37 inches |
| 6.13 ounces | 7.16 ounces |
| Blue, Gray and White | Mirage black and Mirage blue |
| Glass (Corning Gorilla Glass 5) and Plastic | -- |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.1 inches | 6.5 inches |
| 1560 x 720 pixels | 2400 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 282 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 7.3 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 665 chipset | Samsung Exynos 9611 chipset |
| Kryo 260, 64-bit, 11 nm (Octa-Core 2000 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Adreno 610 GPU | Mali-G72 MP3 GPU |
| 9.09 | 9.36 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 13.18 | 14.14 |
| Camera | |
| 48.00 MP + 32.00 MP | 64.00 MP + 32.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| 0.43 inches (1/2.3") sensor | 0.59 inches (1/1.7") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 11.44 | 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 | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 4030mAh Battery | 6000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | 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 | FM Radio |
Comparison review
Samsung Galaxy M31s is better than the Xiaomi Mi A3, with a score of 88 against 79.2. The Samsung Galaxy M31s design is newer than Xiaomi Mi A3's, but it is somewhat thicker and somewhat heavier. Both of these phones include the same Android 11 operating system. The Galaxy M31s has a sharper display than Xiaomi Mi A3, because it has a much better 1080 x 2400 resolution, a bit larger screen and a greater pixel amount per display inch.
Samsung Galaxy M31s has just a bit better processing power than Xiaomi Mi A3, and although they both have 8 processing cores, the Samsung Galaxy M31s also has a greater amount of RAM memory. The Samsung Galaxy M31s takes a bit better videos and photos than Xiaomi Mi A3, and although they both have the same video definition, a F1.8 diafragm aperture and the same 30 fps video frame rates, the Samsung Galaxy M31s also has a lot larger sensor and a back facing camera with a much higher resolution.
Galaxy M31s counts with a bit more memory to install applications and games than Xiaomi Mi A3, and although they both have the same 128 GB internal memory capacity, the Galaxy M31s also has an external SD slot that allows a maximum of 512 GB. The Samsung Galaxy M31s features a way better battery performance than Xiaomi Mi A3, because it has a 6000mAh battery capacity.
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