Compare phones
| Global Score | |
| 82.3 | 87.7 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 10, 9.0 Pie | Android 10 |
| 2019-03-28 | 2020-09-11 |
| 6.44 x 2.95 x 0.35 inches | 6.45 x 3.00 x 0.37 inches |
| 7.23 ounces | 7.51 ounces |
| Black and Silver | Black and White |
| -- | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.4 inches | 6.7 inches |
| 2340 x 1080 pixels | 2340 x 1080 pixels |
| AMOLED | Super AMOLED Plus |
| 403 pixels per inch | 385 pixels per inch |
| 430 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 8 |
| Performance | |
| Qualcomm Snapdragon 855 chipset | Qualcomm Snapdragon 730 SM7150-AA chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor | Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 8 GB RAM | 6 GB RAM |
| Adreno 640 GPU | Adreno 618 GPU |
| 9.63 | 9.27 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 14.14 |
| 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 | 0.57 inches (1/1.76") 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 | -- |
| 11.55 | 11.88 |
| 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 | 7000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 8.32 |
| 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 M51 has a general score of 87.7, which is a little bit better than the Xiaomi Black Shark 2's global score of 82.3. Both of these devices work with the same Android 10 OS. Galaxy M51's design is newer, but just a little thicker and a little heavier than Xiaomi Black Shark 2. Xiaomi Black Shark 2 features a little bit better looking screen than Samsung Galaxy M51, because although it has a little bit smaller display, and they both have the same exact 1080 x 2340 resolution, the Xiaomi Black Shark 2 also counts with a just a bit more pixels per screen inch.
Xiaomi Black Shark 2 features a bit more powerful processor than Samsung Galaxy M51, and although they both have 8 processing cores, the Xiaomi Black Shark 2 also has more RAM memory. Galaxy M51 features a bit better camera than Xiaomi Black Shark 2, and although they both have the same video resolution, a same size diafragm aperture and the same video frame rate, the Galaxy M51 also has a bigger sensor providing a better image quality and a much higher resolution back-facing camera.
Galaxy M51 has a lot bigger memory to store more games and applications than Xiaomi Black Shark 2, and although they both have exactly the same internal storage, the Galaxy M51 also has an external SD slot that admits up to 512 GB. The Galaxy M51 counts with a superior battery duration than Xiaomi Black Shark 2, because it has a 75 percent bigger battery capacity.
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