Compare phones
| Global Score | |
| 88 | 82.3 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | Android 10, 9.0 Pie |
| 2020-08-06 | 2019-03-28 |
| 6.27 x 2.93 x 0.37 inches | 6.44 x 2.95 x 0.35 inches |
| 7.16 ounces | 7.23 ounces |
| Mirage black and Mirage blue | Black and Silver |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.5 inches | 6.4 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| Super AMOLED | AMOLED |
| 405 pixels per inch | 403 pixels per inch |
| -- | 430 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 8.4 |
| Performance | |
| Samsung Exynos 9611 chipset | Qualcomm Snapdragon 855 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 6 GB RAM | 8 GB RAM |
| Mali-G72 MP3 GPU | Adreno 640 GPU |
| 9.36 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 14.14 | 10.1 |
| Camera | |
| 64.00 MP + 32.00 MP | 48.00 MP + 20.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | -- |
| 0.59 inches (1/1.7") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | 1280 x 720 (120 fps) (HD) slow motion video |
| 12.1 | 11.55 |
| 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, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 6000mAh Battery | 4000mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Galaxy M31s has a general score of 88, which is slightly better than Xiaomi Black Shark 2's score of 82.3. The Galaxy M31s design is newer and a little lighter than the Xiaomi Black Shark 2's, although it's also just a little thicker. Both of these devices have Android OS (Operating System), but Galaxy M31s has a newer 11 version and Xiaomi Black Shark 2 has Android 10, giving you a couple additional features.
Xiaomi Black Shark 2 features a little more vivid display than Galaxy M31s, although it has a bit worse pixel quantity per screen inch, a little smaller display and a quite lower 1080 x 2340 resolution. The Xiaomi Black Shark 2 has just a bit better performance than Galaxy M31s, and although they both have 8 processing cores, the Xiaomi Black Shark 2 also has a higher amount of RAM memory.
Samsung Galaxy M31s shoots slightly better pictures and videos than Xiaomi Black Shark 2, and although they both have the same 30 fps video frame rate, the same 3840x2160 (4K) video resolution and the same aperture, the Samsung Galaxy M31s also has a larger back-facing camera sensor taking more light and vivid colors and a way more mega pixels back-facing camera.
Galaxy M31s has a very superior storage for applications and games than Xiaomi Black Shark 2, and although they both have equal 128 GB internal storage, the Galaxy M31s also has a slot for an external memory card that admits up to 512 GB. The Samsung Galaxy M31s counts with a very superior battery duration than Xiaomi Black Shark 2, because it has a 6000mAh battery capacity instead of 4000mAh.
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