Compare phones
| Global Score | |
| 81.4 | 81.3 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 9.0 Pie | Android 10 |
| 2019-04-15 | 2020-04-27 |
| 5.81 x 2.78 x 0.29 inches | 6.27 x 2.88 x 0.34 inches |
| 5.47 ounces | 6.53 ounces |
| 16 777 216 | Prism Crush black, Prism Crush blue, Prism Crush red and Prism Crush white |
| -- | Plastic |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6 inches | 6.4 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| AMOLED | Super AMOLED |
| 430 pixels per inch | 411 pixels per inch |
| 600 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.7 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 712 SDM712 chipset | MediaTek Helio P65 MT6768 chipset |
| Kryo 360, 64-bit, 10 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 616 GPU | Mali-G52 MC2 GPU |
| 9.36 | 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 | |
| 48.00 MP + 20.00 MP | 48.00 MP + 20.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") 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 | -- |
| 11.66 | 10.89 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.3 | 6.7 |
| Battery Life | |
| 3070mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.04 | 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
Xiaomi Mi 9 SE is just a bit better than Galaxy A31, with a score of 81.4 against 81.3. Both of these phones use Android OS (operating system), but the Xiaomi Mi 9 SE has 9.0 Pie version while Galaxy A31 has Android 10 version, offering lots of additional features. Xiaomi Mi 9 SE's construction is somewhat thinner and lighter than Galaxy A31, despite of the fact that it was released just a little further than a year before.
Xiaomi Mi 9 SE has a little bit better display than Galaxy A31, because although it has a bit worse resolution of 1080 x 2340px and a quite smaller screen, it also counts with a quite greater pixel density. The Xiaomi Mi 9 SE has a little faster processor than Samsung Galaxy A31, and although they both have 8 cores, the Xiaomi Mi 9 SE also has 2 GB more RAM memory.
The Samsung Galaxy A31 has more storage to store more games and applications than Xiaomi Mi 9 SE, because although it has less internal storage, it also counts with an external memory slot that supports a maximum of 512 GB. The Xiaomi Mi 9 SE captures a bit better photographs and videos than Samsung Galaxy A31, and although they both have a 0.5 inches back-facing camera sensor and a camera with a 48 mega pixels resolution, the Xiaomi Mi 9 SE also has a much higher video definition and a bigger camera aperture for better photography in poorly lited environments.
The Galaxy A31 has a much longer battery life than Xiaomi Mi 9 SE, because it has 5000mAh of battery capacity against 3070mAh.
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