Compare phones
| Global Score | |
| 82.3 | 86.5 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 10, 9.0 Pie | Android 11, 10 |
| 2019-03-28 | 2020-03-05 |
| 6.44 x 2.95 x 0.35 inches | 6.27 x 2.96 x 0.35 inches |
| 7.23 ounces | 6.74 ounces |
| Black and Silver | Black, Blue and Red |
| -- | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.4 inches | 6.4 inches |
| 2340 x 1080 pixels | 2340 x 1080 pixels |
| AMOLED | Super AMOLED |
| 403 pixels per inch | 403 pixels per inch |
| 430 cd/m2 brightness | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.4 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 855 chipset | Exynos 9611 chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2840 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 640 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 | |
| 48.00 MP + 20.00 MP | 64.00 MP + 32.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| 0.5 inches (1/2") 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 |
| 11.55 | 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
Galaxy M31 is just a bit better than Xiaomi Black Shark 2, with a score of 86.5 against 82.3. Both phones in this comparison review use Android operating system, but the Galaxy M31 has the newer 11 version while Xiaomi Black Shark 2 has Android 10 version, so it gives you a lot of extra features and enhanced performance. Galaxy M31 is a just a bit lighter phone than Xiaomi Black Shark 2, but they are equally thin.
Galaxy M31 features a display that is very similar to Xiaomi Black Shark 2's screen, and although the Galaxy M31 has a little bit opaque screen, they both have an equal 1080 x 2340 resolution, a same size screen and the same count of pixels per screen inch. The Xiaomi Black Shark 2 has a little faster processor than Samsung Galaxy M31, and although they both have 8 cores, the Xiaomi Black Shark 2 also has 2 GB more RAM memory.
The Samsung Galaxy M31 has more storage to store more games and applications than Xiaomi Black Shark 2, because although it has less internal storage, it also counts with an external memory slot that supports a maximum of 512 GB. The Samsung Galaxy M31 captures a bit better photographs and videos than Xiaomi Black Shark 2, and although they both have a same size diafragm aperture, the same video resolution and the same 30 fps video frame rate, the Samsung Galaxy M31 also has a camera with a lot higher 64 mega pixels resolution and a larger camera sensor shooting better quality videos and pictures.
The Galaxy M31 has a much longer battery life than Xiaomi Black Shark 2, because it has 6000mAh of battery capacity against 4000mAh.
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