Compare phones
| Global Score | |
| 86.5 | 80.4 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | Android 9.0 Pie, 8.1 Oreo |
| 2020-03-05 | 2018-04-20 |
| 6.27 x 2.96 x 0.35 inches | 6.36 x 2.97 x 0.36 inches |
| 6.74 ounces | 6.70 ounces |
| Black, Blue and Red | Black, Blue and Gray |
| Plastic and Plastic | -- |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.4 inches | 6 inches |
| 2340 x 1080 pixels | 2160 x 1080 pixels |
| Super AMOLED | IPS LCD |
| 403 pixels per inch | 402 pixels per inch |
| 420 cd/m2 brightness | 550 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.4 | 8.5 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 845 SDM845 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor |
| 6 GB RAM | 8 GB RAM |
| Mali-G72 MP3 GPU | Adreno 630 GPU |
| 9.36 | 9.63 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 11.74 | 10.1 |
| Camera | |
| 64.00 MP + 32.00 MP | 12.00 MP + 20.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | -- |
| 0.59 inches (1/1.7") sensor | 0.34 inches (1/2.9") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1280 x 720 (120 fps) (HD) slow motion video |
| 12.1 | 9.79 |
| 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 Li - Polymer 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 M31 has a score of 86.5, which is a little bit better than the Xiaomi Black Shark's overall score of 80.4. These devices have Android OS, but Galaxy M31 has an older 11 version while Xiaomi Black Shark has Android 9.0 Pie version. Galaxy M31's design is newer and a little bit thinner than the Xiaomi Black Shark's, although it is a little heavier.
The Xiaomi Black Shark has a bit better screen than Samsung Galaxy M31, because although it has a little lower resolution of 1080 x 2160 pixels, a little smaller display and a bit lower screen pixels density, it also counts with a brighter display. The Xiaomi Black Shark counts with a bit more powerful CPU than Galaxy M31, and although they both have the same number of cores, the Xiaomi Black Shark also has more RAM memory.
Galaxy M31 counts with a much better camera than Xiaomi Black Shark, and although they both have the same 30 fps video frame rate, the same diafragm aperture and the same 3840x2160 video resolution, the Galaxy M31 also has a camera with a lot better 64 megapixels resolution and a way larger back camera sensor.
Samsung Galaxy M31 features a better memory capacity to store more games and applications than Xiaomi Black Shark, because although it has 0 less internal memory capacity, it also counts with a SD card slot that allows a maximum of 512 GB. The Galaxy M31 features a much better battery lifetime than Xiaomi Black Shark, because it has 6000mAh of battery capacity instead of 4000mAh.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.