Compare phones
| Global Score | |
| 80.4 | 86.5 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 9.0 Pie, 8.1 Oreo | Android 11, 10 |
| 2018-04-20 | 2020-03-05 |
| 6.36 x 2.97 x 0.36 inches | 6.27 x 2.96 x 0.35 inches |
| 6.70 ounces | 6.74 ounces |
| Black, Blue and Gray | Black, Blue and Red |
| -- | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6 inches | 6.4 inches |
| 2160 x 1080 pixels | 2340 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 402 pixels per inch | 403 pixels per inch |
| 550 cd/m2 brightness | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.5 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 845 SDM845 chipset | Exynos 9611 chipset |
| Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 8 GB RAM | 6 GB RAM |
| Adreno 630 GPU | Mali-G72 MP3 GPU |
| 9.63 | 9.36 |
| 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 | |
| 12.00 MP + 20.00 MP | 64.00 MP + 32.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| 0.34 inches (1/2.9") 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 (120 fps) (HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 9.79 | 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, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 4000mAh Li - Ion Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 7.52 |
| 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 is a little bit better than Xiaomi Black Shark, with an 86.5 score against 80.4. Galaxy M31 is a newer and just a little thinner device than the Xiaomi Black Shark, but it's a little bit heavier. These phones have Android OS (operating system), but the Galaxy M31 has an older 11 version while Xiaomi Black Shark has Android 9.0 Pie.
Xiaomi Black Shark has a little more vivid screen than Galaxy M31, because although it has a little worse resolution of 1080 x 2160px, a little bit worse display pixels density and a little smaller screen, it also counts with more screen brightness. The Galaxy M31 counts with a better storage capacity for apps and games than Xiaomi Black Shark, because although it has just 64 GB internal memory capacity, it also counts with a SD extension slot that admits a maximum of 512 GB.
Xiaomi Black Shark features a little bit better processing power than Galaxy M31, and although they both have the same number of cores, the Xiaomi Black Shark also has more RAM. Samsung Galaxy M31 counts with a greater camera than Xiaomi Black Shark, and although they both have the same 3840x2160 video definition, the same video frame rates and a F1.8 aperture, the Samsung Galaxy M31 also has a much bigger back camera sensor providing a way higher image quality and a camera in the back with a way better resolution.
The Samsung Galaxy M31 features a much better battery performance than Xiaomi Black Shark, because it has a 6000mAh battery size.
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